Astrra Chemicals
Astrra Chemicals
Thousand Lights, Chennai, Tamil Nadu
GST No. 33AAAFA7706K1ZN
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Construction Material

Manufacturer of a wide range of products which include microsilica grey ( silica fume ) ( undensified ) ( ferro silicon base ), sodium hydroxide, silica sand ( sand m72 ( brown ) ), expanded perlite powder, calcium oxide and concrete admixture.

Microsilica Grey ( Silica Fume ) ( Undensified ) ( Ferro Silicon Base )

Microsilica Grey ( Silica Fume ) ( Undensified ) ( Ferro Silicon Base )
  • Microsilica Grey ( Silica Fume ) ( Undensified ) ( Ferro Silicon Base )
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Approx. Price: Rs 16 / KgGet Latest Price

Product Details:

Minimum Order Quantity50 Kg
Country of OriginMade in India
GradeUndensified
MaterialGrey Microsilica
Packaging Size25 Kgs
ColorGray
StatePowdered
Packaging TypeHDPE Bag
Usage/ApplicationIndustrial
BrandAstrra Chemicals
FormulaSiO2

Microsilica ( Grey ) is a mineral admixture composed of very fine solid glassy spheres of silicon d i oxide (SiO2). Each particles are less than 1 micron in diameter, generally 50 to 100 times finer than average cement or fly ash particles. Frequently called condensed silica fume, microsilica is a by- product of the industrial manufacture of ferro silicon and metallic silicon in high-temperature electric arc furnaces. The ferrosilicon or silicon product is draw n off as a liquid from the bottom of the furnace. Vaporizing from the 2000-degree-C furnace bed is oxidized, and as it cools condenses into particles which are trapped in huge cloth bags. Processing the condensed fume to remove impurities and control particle size yields microsilica. It helps in compressive strength, bond strength, and abrasion resistance. Addition of silica fume also reduces the permeability of concrete to chloride ions, which protects the reinforcing steel of concrete from corrosion, especially in chloride-rich environments such as coastal regions and those of humid continental roadways and runways (because of the use of deicing salts) and saltwater bridges. Silica fume reduces bleeding significantly because the free water is consumed in wetting of the large surface area of the silica fume and hence the free water left in the mix for bleeding also decreases. Silica fume also blocks the pores in the fresh concrete so water within the concrete is not allowed to come to the surface.

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Sodium Hydroxide

Sodium Hydroxide
  • Sodium Hydroxide
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Approx. Price: Rs 78 / KgGet Latest Price

Product Details:

Minimum Order Quantity10 Kg
CAS No1310-73-2
TypePowder
BrandAstrra Chemicals
Grade StandardIndustrial Grade
Chemical FormulaNaOH
Density2.13 g/cm3
Molar mass39.997 g/mol

Sodium hydroxide (NaOH) is an inorganic compound. It is a white solid and highly caustic metallic base and alkali salt of sodium which is available in pellets, flakes, granules, and as prepared solutions at a number of different concentrations. Sodium hydroxide forms an approximately 50% (by weight) saturated solution with water. Sodium hydroxide is soluble in water, ethanol, and methanol. This alkali is deliquescent and readily absorbs moisture and carbon dioxide in air. Sodium hydroxide is used in many industries, mostly as a strong chemical base in the manufacture of pulp and paper, textiles, drinking water, soaps, detergents and as a drain cleaner. It is also used in concrete in the construction industry.
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Silica Sand ( SAND M72 ( Brown ) )

Silica Sand ( SAND M72 ( Brown ) )
  • Silica Sand ( SAND M72 ( Brown ) )
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Approx. Price: Rs 10.5 / KgGet Latest Price

Product Details:

Minimum Order Quantity100 Kg
Usage/ApplicationConstruction
MaterialSilica
GradeSand M72 ( Brown )
Packaging Size25 kg/bag
ColorBrown
Packaging TypeHDPE Bag
BrandAstrra Chemicals

We are the leading manufactures, exporters,technical developers and suppliers Silica Sand in Chennai, Tamil Nadu, 

SAND M72:

SiO2

99. 5%

Al2O3

0. 08%

TiO2

0. 04%

CaO

0. 01%

MgO

0. 01%

L.O.I.

0. 28%

Alkalies

0. 29%

Fe2O3

0. 04%

 

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Additional Information:

  • Production Capacity: 10000 Kgs
  • Delivery Time: 7 to 10 Days
  • Packaging Details: Brand New HDPE Bags
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Expanded Perlite Powder

Expanded Perlite Powder
  • Expanded Perlite Powder
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Approx. Price: Rs 64 / kgGet Latest Price

Product Details:

Minimum Order Quantity100 kg
StatePowdered
Packaging TypePoly Bag
Packaging Size25KG
BrandAstrra Chemicals
Usage/ApplicationIndustrial
PH Value2-6
ColorWhite
FormPowder

Perlite has a very outstanding insulating characteristics and light weight, it is widely used as a loose-fill insulation in masonry construction. In this application, free-flowing perlite loose-fill masonry insulation is poureMasonry Tools Perlited into the cavities of concrete block where it completely fills all cores, crevices, mortar areas and ear holes. In addition to providing thermal insulation, perlite enhances fire ratings, reduces noise transmission and it is rot, vermin and termite resistant. Perlite is also ideal for insulating low temperature and cryogenic vessels. Other construction applications include under-floor insulation, chimney linings, paint texturing, gypsum boards, ceiling tiles and roof insulation boards.
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Calcium Oxide

Calcium Oxide
  • Calcium Oxide
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Approx. Price: Rs 21 / KgGet Latest Price

Product Details:

Minimum Order Quantity50 Kg
BrandAstrra Chemicals
Physical StatePowder
Packaging TypeHDPE Bag
Packaging Size25-50 kg/bag
Chemical FormulaCaO
Active cao68%
Acid insolubles1%
Magnesia as mgo0.6%
Molar mass56.0774 g/mol

Known for manufacturing, supplying, wholesaling and exporting a wide range of optimum quality Industrial Chemical, Astrra Chemicals, based in Chennai, was established in the year 1992. Offered chemical range is inclusive of Construction Chemicals, Antioxidants Chemicals and Aromatic Chemicals. Available with us at cost-effective prices, these chemicals are extremely appreciated for their compositional accuracy and high effectiveness. In addition to this, our company is engaged in manufacturing, wholesaling and exporting best quality FRP Products - Raw Materials, De-ionized Water, Industrial Solvents Essential Oils Industrial Dyes and Industrial Pigments. Our offered products are extensively used in various industrial applications and are highly demanded by the customers.

With the aid of our team of highly dedicated professionals, we have been able to meet the bulk order requirements of production within the stipulated time frame. Our professionals, who hold expertise in their area of operations, are trained on a regular basis through seminars and workshops in order to enhance and polish their technical as well as professionals skills. Highly motivated to attain maximum customer satisfaction, our company strictly follows customer centric approach and transparent business policies, since its inception. We export our products all over the world.
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Concrete Admixture

Concrete Admixture
  • Concrete Admixture
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Approx. Price: Rs 225 / KilogramGet Latest Price

Product Details:

Minimum Order Quantity5 Kilogram
Usage/ApplicationConstruction
BrandAstrra Chemicals
Ph Value6.00
Specific Gravity1.10
Totoal Solids45%
AppearanceColorless to Light Lazy Liquid

Known for manufacturing, supplying, wholesaling and exporting a wide range of optimum quality Industrial Chemical, Astrra Chemicals, based in Chennai, was established in the year 1992. Offered chemical range is inclusive of Construction Chemicals, Antioxidants Chemicals and Aromatic Chemicals. Available with us at cost-effective prices, these chemicals are extremely appreciated for their compositional accuracy and high effectiveness. In addition to this, our company is engaged in manufacturing, wholesaling and exporting best quality FRP Products - Raw Materials, De-ionized Water, Industrial Solvents Essential Oils Industrial Dyes and Industrial Pigments. Our offered products are extensively used in various industrial applications and are highly demanded by the customers.

With the aid of our team of highly dedicated professionals, we have been able to meet the bulk order requirements of production within the stipulated time frame. Our professionals, who hold expertise in their area of operations, are trained on a regular basis through seminars and workshops in order to enhance and polish their technical as well as professionals skills. Highly motivated to attain maximum customer satisfaction, our company strictly follows customer centric approach and transparent business policies, since its inception. We export our products all over the world.
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Speciality Plasticizers

Speciality Plasticizers
  • Speciality Plasticizers
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Approx. Price: Rs 225 / KilogramGet Latest Price

Product Details:

Minimum Order Quantity5 Kilogram
Usage/ApplicationLaboratory
FormLiquid
Packaging TypeBottle
Specific Gravity1.1
BrandAstrra Chemicals
Ph6-12
Totoal Solids45.00%

Known for manufacturing, supplying, wholesaling and exporting a wide range of optimum quality Industrial Chemical, Astrra Chemicals, based in Chennai, was established in the year 1992. Offered chemical range is inclusive of Construction Chemicals, Antioxidants Chemicals and Aromatic Chemicals. Available with us at cost-effective prices, these chemicals are extremely appreciated for their compositional accuracy and high effectiveness. In addition to this, our company is engaged in manufacturing, wholesaling and exporting best quality FRP Products - Raw Materials, De-ionized Water, Industrial Solvents Essential Oils Industrial Dyes and Industrial Pigments. Our offered products are extensively used in various industrial applications and are highly demanded by the customers.

With the aid of our team of highly dedicated professionals, we have been able to meet the bulk order requirements of production within the stipulated time frame. Our professionals, who hold expertise in their area of operations, are trained on a regular basis through seminars and workshops in order to enhance and polish their technical as well as professionals skills. Highly motivated to attain maximum customer satisfaction, our company strictly follows customer centric approach and transparent business policies, since its inception. We export our products all over the world.
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Micro Clay

Micro Clay
  • Micro Clay
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Approx. Price: Rs 14.5 / KilogramGet Latest Price

Product Details:

Minimum Order Quantity50 Kilogram
BrandAstrra Chemicals
StatePowdered
Packaging TypeHDPE Bag
Bulk Density00. 50 gm/cc
Moisture02.00
Ph Value07.00 @ 10% Sol.
Oil Absorption32 ml / 100 gm
Retention00.50%

Astrra Chemicals
ContentsMin.%Max%
Silica45. 0047
Alumina36. 0037. 00
Ferric Oxide-1
Calcium Oxide-00 50
Magnesium Oxide-0.5
Titanium Dioxide-00. 50
Loss On Ignition14. 0015. 00
Potassium-00. 50
Sodium-00. 50
Brightness78. 00-
Whiteness80. 00-
Acid Solubility01. 0002. 00
Water Absorption36 ml/100gm38 ml / 100gm

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Levigated Kaolin

Levigated Kaolin
  • Levigated Kaolin
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Approx. Price: Rs 10.5 / KilogramGet Latest Price

Product Details:

Minimum Order Quantity1000 Kilogram
Packaging Size25 kg/bag
ColorWhite
Packaging TypePoly Bag
StatePowder
BrandAstrra Chemicals
PH Value7-12
FormPowder

Known for manufacturing, supplying, wholesaling and exporting a wide range of We are the leading manufactures, exporters,technical developers and suppliers of Levifated Kaolin in Chennai, Tamil Nadu,
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Silica Fume

Silica Fume
  • Silica Fume
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Approx. Price: Rs 21 / KgGet Latest Price

Product Details:

Minimum Order Quantity50 Kg
GradeWHITE
MaterialPURE
Packaging Size50 KGS
ColorWhite
StatePowdered
Packaging TypeHDPE Bag
PH Value6.90
BrandAstrra Chemicals

We are leading manufacturers and exporters of the best quality Microsilica ( Silica Fume Densified ). It is a construction chemical, which is also known as silica fume. Commonly it is used mineral admixture in high strength concrete. If it gets mixed with the concrete, it enhances the strength and workability. It is commonly used in the construction of bridges and nuclear plants.

Features:
  • Longer shelf life
  • Accurate composition
  • Optimum binding strength
  • Purity Accurate composition
  • Longer shelf life
  • Aggregate Concrete
  • Concrete AdmixtureCement admixture
  • Ultra High Strength Concrete
  • It Is A Very Reactive And Effective Pozzoloanic Material, Due To Its Fine Particle Size AndHigh Purity Of Sio2 ( 99.5% ) Content.
  • It Enhances The Mechanical Properties, Durability And Construct ability In Concrete,
  • It Is Used In The Production Of High Strength & High Performance Concrete,
  • It Is Used In The Production Of High Performance Concrete Structures Like Bridge’s Where The Strength And Durability Properties Of The Concrete Is Required.
  • It Can Be Used To Build Marine Structures As It Reduces The Damage Caused Due To The Reaction Of Chloride And Various Chemicals, It Helps In Protection Of Steel From Rust And Corrosion And Increases The Life Of The Structure.
  • The Recommended Dosage Is 7 – 10 % Of The Cement Weight Added To The Concrete.
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Hydrated Lime ( Calcium Hydroxide )

Hydrated Lime ( Calcium Hydroxide )
  • Hydrated Lime ( Calcium Hydroxide )
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Approx. Price: Rs 21 / KgGet Latest Price

Product Details:

Minimum Order Quantity100 Kg
CAS No1305-62-0
Packaging50 Kg HDPE Bag
Purity90%
BrandAstrra Chemicals
FormPowder
FragranceOdourless
Chemical FormulaCa(OH)2
Density2.21 g/cm3
Melting Point580 Deg C
Molar mass74.093 g/mol

We are one of the leading manufacturers, suppliers and exporters of high quality Hydrated Lime ( Calcium Hydroxide ).

Certificate of analysis:

Lime as Ca (OH)2

:

90%

 

Active CaO

:

68%

 

Acid insolubles

:

1 %

Max

Iron & Alumina as Fe2O3 & Al2O3

:

Traces

 

Magnesia as MgO

:

0.6%

Max


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Additional Information:

  • Production Capacity: 10000 Kgs
  • Delivery Time: 7 to 10 Days
  • Packaging Details: Brand New HDPE Bags
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Silica Fume Microsilica

Silica Fume Microsilica
  • Silica Fume Microsilica
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Approx. Price: Rs 21 / KgGet Latest Price

Product Details:

Minimum Order Quantity100 Kg
Packaging Size50 Kg/Bag
ColorWhite
Packaging TypeHDPE Bag
BrandAstrra
FormPowder
Ph Value4-7

We are leading manufacturers and exporters of the best quality Microsilica ( Silica Fume Densified ). It is a construction chemical, which is also known as silica fume. Commonly it is used mineral admixture in high strength concrete. If it gets mixed with the concrete, it enhances the strength and workability. It is commonly used in the construction of bridges and nuclear plants.


Features:
  • Longer shelf life
  • Accurate composition
  • Optimum binding strength
  • Purity
  • Accurate composition
  • Longer shelf life
  • Aggregate Concrete
  • Concrete Admixture
  • Cement admixture
  • Ultra High Strength Concrete

     

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Dolomite Marble Powder ( 300 M )

Dolomite Marble Powder ( 300 M )
  • Dolomite Marble Powder ( 300 M )
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Approx. Price: Rs 14.5 / KgGet Latest Price

Product Details:

Minimum Order Quantity100 Kg
Usage/ApplicationIndustrial
FormPowder
Bulk Density0.85%
BrandAstrra Chemicals
Calcium Carbonate54%
Magnesium Carbonate45%

We are the leading manufactures, exporters,technical developers and suppliers of MARBLE POWDER in Chennai, Tamil Nadu, 

Product Details:
ParticularsResults
AppearanceVery White Smooth Powder
Sio22% Max.
Passing On 500 Mesh1% Max.
Water Solubles0. 80%
Heavy MetalsTraces
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Calcium Bentonite

Calcium Bentonite
  • Calcium Bentonite
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Approx. Price: Rs 11.5 / KgGet Latest Price

Product Details:

Minimum Order Quantity100 Kg
Usage/ApplicationIndustrial
Packaging TypeHDPE Bag
StatePowdered
ColorWhite,Grey
FormPowder
BrandAstrra Chemicals
Packaging Size25 kg/bag

We are one of the leading manufacturers, suppliers and exporters of high quality Calcium Bentonite.
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Synthetic Iron Red Oxide

Synthetic Iron Red Oxide
  • Synthetic Iron Red Oxide
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Approx. Price: Rs 32 / KgGet Latest Price

Product Details:

Minimum Order Quantity100 Kg
BrandAstrra Chemicals
FormulaFe2O3
Iron Content98%
Moisture1%
Oil Absorpaiton20 - 22%
Volatile Matter0.8% At 100 + 5 Deg C
Ph Value3.5 - 4

We are the leading manufactures, exporters,technical developers and suppliers of RED OXIDE ( SYNTHETIC ) in Chennai, Tamil Nadu.

The building materials industry is the biggest user of Iron Oxide Pigments. Uses include colouring concrete and mortar because of their good dispersability and good tinting strength. They are extensively used in the manufacture of Paving Blocks, Chequered Tiles, Designer Tiles, Stamped Concrete etc.
Paints industry is the second largest user of Iron Oxide Pigments. Most paint applications require use if micronized and dispersible grades of pigments to get optimum colouring effects and maintain paint film strength.
Pigments used in Plastics need high purity, tinting strength, high heat resistance and good dispersibility.
Special applications of Synthetic red Iron oxide include that in Ceramic Colours, Drugs, Cosmetics, Rubber, Brake Linings, Wood Polish, Cork Sheets, Fertilizers and Cattle Feed. New applications include catalysts in petroleum industry, in oil drilling rigs, in compound pigments, copy machine powder, and magnetic differentiate materials.

USES :-

PAVER BLOCKS
TILES
FLOORING
PAINTS
 
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Silica Flour ( MYCOSIL - 300M )

Silica Flour ( MYCOSIL - 300M )
  • Silica Flour ( MYCOSIL - 300M )
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Approx. Price: Rs 16.50 / KgGet Latest Price

Product Details:

ColorWhite
StatePowdered
PH Value5-12
Boiling Point2623 Deg C
Usage/ApplicationIndustrial
BrandAstrra Chemicals

We offer a wide range of Silica Flour,which is processed using best grade natural silica, sourced in from reliable market vendors. We offer good quality silica flour to our clients which are processed using premium grade natural silica, sourced in from reliable market vendors. These are available at cost effective price.


Features:

  • Longer shelf life
  • Precise pH value
  • Purity


Certificate of analysis:

SiO2

99. 5%

Al2O3

0. 08%

TiO2

0. 04%

CaO

0. 01%

MgO

0. 01%

L.O.I.

0. 28%

Alkalies

0. 29%

Fe2O3

0. 04%

MESH

200

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Calcined Bentonite

Calcined Bentonite
  • Calcined Bentonite
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Approx. Price: Rs 18.5 / KgGet Latest Price

Product Details:

Packaging TypePacket
StatePowdered
ColorWhite
FormPowder

It is used in various industries.

  • Purity
  • Accurate composition
  • Longer shelf life
  • Aggregate Concrete
  • Concrete Admixture
  • Cement admixture
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Calcium Bentonite

Calcium Bentonite
  • Calcium Bentonite
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Approx. Price: Rs 11.5 / KgGet Latest Price

Product Details:

TypePowder
StatePowdered
ColorWhite
FormGranules

Trade Information
  • Supply Ability
  • 1000 Kilograms Per Month
  • Delivery Time
  • 1 Week
  • Main Domestic Market
  • All India
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Silica Fume Microsilica Construction Material

Silica Fume Microsilica Construction Material
  • Silica Fume Microsilica Construction Material
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Approx. Price: Rs 21 / KgGet Latest Price

Product Details:

Minimum Order Quantity100 Kg
ColorWhite
GradeConcrete Grade
Packaging Size50 Kgs
StatePowdered
Density0.76 gm/cc
Boiling Point2.623 Deg C
Usage/ApplicationIndustrial
BrandAstrra Chemicals

We are leading manufacturers and exporters of the best quality Microsilica ( Silica Fume Densified ). It is a construction chemical, which is also known as silica fume. Commonly it is used mineral admixture in high strength concrete. If it gets mixed with the concrete, it enhances the strength and workability. It is commonly used in the construction of bridges and nuclear plants.

Features:
  • Longer shelf life
  • Accurate composition
  • Optimum binding strength
  • Purity
  • Accurate composition
  • Longer shelf life
  • Aggregate Concrete
  • Concrete Admixture
  • Cement admixture
  • Ultra High Strength Concrete
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Additional Information:

  • Production Capacity: 1000 tonnes
  • Delivery Time: 7 days
  • Packaging Details: Brand New HDPE Bags
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Paint & Printing Ink Raw Material Fumed Silica

Paint & Printing Ink Raw Material Fumed Silica
  • Paint & Printing Ink Raw Material Fumed Silica
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Approx. Price: Rs 180 / KgGet Latest Price

Product Details:

Minimum Order Quantity100 Kg
Usage/ApplicationPrinting & Paint
GradeNV/200 XL 5M
MaterialFumed SIlica
ColorWhite
StatePowdered
Packaging TypeHDPE Bag
BrandAstrra Chemicals
Packaging Size10 kgs/bag

We are engaged in manufacturing and exporting Fumed Silica.

Applications
Paints and Coatings Unsaturated polyester resins, laminating resins and gel coatsHTV- and RTV-2K-silicone rubberAdhesives and sealantsPrinting inksCable compounds and cable gelsPlant protectionProperties
Rheology and thixotropy control of liquid systems, binders, polymers, etc.Used as anti-settling, thickening and anti-sagging agentReinforcement of HTV- and RTV-2K silicone rubberImprovement of free flow and anticaking characteristics of powders
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Additional Information:

  • Production Capacity: 10000 kgs
  • Delivery Time: 7-10 days
  • Packaging Details: 10 kg HDPE Bags
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Exfoliated Vermicuilte ( Horticulture Grade - 2 To 4 Mm)

Exfoliated Vermicuilte ( Horticulture Grade - 2 To 4 Mm)
  • Exfoliated Vermicuilte ( Horticulture Grade - 2 To 4 Mm)
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Approx. Price: Rs 38 / KgGet Latest Price

Product Details:

Minimum Order Quantity100 Kg
Service TypeFarm Nursery
Packaging Size10 Kgs
Maintenance TypeGardens
Packaging TypePacket
Property LocationChennai
Usage/ApplicationHorticulture / Landscaping
ColorGolden Brown
BrandAstrra Chemicals
Moisture Content1 - 1.5%
Apparent Weight0.15 - 0.18 g/cc
Ph7 to 9

Available with us is finest quality Agriculture Vermiculite Horticulture Grade for our valued patrons. This chemical is processed at our wide processing unit, with the use of technically advanced machines and amenities. Ideal to be used in horticultural sector in the form of exfoliated, this chemical has ability to improve soil aeration. Attributes: Odorless Non-toxic Sterile Horticultural vermiculite is permanent, clean, odorless, non-toxic and sterile. It will not deteriorate, turn moldy or rot. The pH is essentially neutral (7.0) but owing to the presence of associated carbonate compounds, the reaction is normally alkaline. The pH, colour and hemical composition of vermiculite will vary depending on the source from deposits around the world. Vermiculite possesses cation exchange properties, thus it can hold available to the growing plant ammonium, potassium, calcium and magnesium. Vermiculite, when combined with peat or composted pine bark compost, promotes faster root growth and gives quick anchorage to young roots. The mixture helps retain air, plant food and moisture, releasing them as the plant requires them. Vermiculite is very light in weight, easy to handle and easily mixes with soil, peat, composted pine bark, fertilizers, pesticides and herbicides. Its use as a carrier and bulking agent ensures more even distribution in mixing operations.

Product Details:

Chemical Analysis

Result

SiO2

35 – 41%

Al2O3

6 – 9. 5%

F32O3

6 – 9. 5%

MgO

21. 5 – 25. 5%

CaO

2. 6%

K2O

3 – 6%

TiO2

0. 6 – 1. 4%

P2O3

0. 2 – 2

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Additional Information:

  • Production Capacity: 10000 Kgs
  • Delivery Time: 7 to 10 days
  • Packaging Details: Brand New Hdpe Bag
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Nano Silica

Nano Silica
  • Nano Silica
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Approx. Price: Rs 675 / KgGet Latest Price

Product Details:

Minimum Order Quantity5 Kg
MaterialSilica
StatePowdered
Packaging TypeHDPE Bags
Packaging Size25 kg/bag
GradeNano
Carbon Content0.15%
Chloride Content0.0202%

Nano Silica 

We are the leading manufactures, technical suppliers of Nano Silica in Chennai, Tamil Nadu,

Nano silica in the construction industry, extensive research is going on to improve the performance of various building materials and development of durable and sustainable concrete. Among all the nano-materials, nano-silica is the most widely used material in the cement and concrete to improve the performance because of its pozzolanic reactivity besides the pore-filling effect. concrete strength is influenced by lots of factors like concrete ingredients, age, ratio of water to cement materials, etc. Nano-silica incorporation into concrete resulted in higher compressive strength than that of normal concrete to a considerable level. for nano-silica blended concretes up to maximum limit of 2% with average particle size of 15 and 80 nm. Same results were obtained for split tensile and flexural strength.

Certificate Of Analysis:

Test ItemStandard RequirementsTest Results
Specific Surface Area ( M2/g)200 + 20202
Ph Value3.7 – 4.54. 12
Loss On Drying @ 105 Deg.c (5)< 1. 50. 47
Loss On Ignition @ 1000 Deg.c (%)< 2.00.66
Sieve Residue (5)< 0. 040. 02
Tamped Density G/l40 – 6044
Sio2 Content ( % )> 99. 899. 88
Al2O3< 0. 030. 005
TiO2< 0. 020. 004
Fe2O3< 0. 0030. 001
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Additional Information:

  • Production Capacity: 5000 Kgs
  • Delivery Time: 7 to 10 Days
  • Packaging Details: Brand New HDPE Bags with Inner Linner
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Calcined Kaolin Powder

Calcined Kaolin Powder
  • Calcined Kaolin Powder
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Approx. Price: Rs 48 / KgGet Latest Price

Product Details:

Minimum Order Quantity100 Kg
BrandAstrra Chemicals
Brightness82+/-0.5%
Loss on ignition14% (Max)
Ph4.5 to 6.5 (of 20% aqueous solution)
Particles68% w/w (Min)
Bulk density0.8%+-0.1 gm/cc

We are the leading manufactures, exporters,technical developers and suppliers of Calcined Kaolin in Chennai, Tamil Nadu,

CHEMICAL ANALYSIS (w/w)%:

Silica

45.17

Ferric Oxide

0.50(Max)

Alumina

37.59

Titanium Dioxide

0.50

Calcium Oxide

0.22

Magnesium Oxide

0.12

Sodium Oxide

0.31

Potash

0.07

 

 

 

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Copper Slag ( Concrete Application )

Copper Slag ( Concrete Application )
  • Copper Slag ( Concrete Application )
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Approx. Price: Rs 14 / KgGet Latest Price

Product Details:

Minimum Order Quantity50 Kg
FormPowder
Usage/ApplicationIndustrial
ColorBlack
Packaging TypeHDPE Bag
Packaging Size25-50 kg/bag
Ph Value10-12

COPPER SLAG

Copper slag is a by-product of copper extraction by smelting. During smelting, impurities become slag which floats on the molten metal. 

Slag that is quenched in water produces angular granules which are disposed of as waste or utilized.
The physico-mechanical characteristics of copper slag suggest that it can be utilized in the cement and concrete industry.  Granulated copper slag exhibits pozzolanic properties, and then, it could be used as a constituent for common Portland cement.
When slowly cooled and milled to be used as fine or coarse aggregate in high-strength concrete, the concrete showed comparable or even superior mechanical properties compared with conventional OPC. Depending of the composition and characteristics of copper slags, they can be used as ballast, abrasive material, fine aggregate in concrete, aggregates in hot mix asphalt pavements, cement raw material, roofing granules, glass, tiles, and so on.
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Nano Silica ( Silica Nano Particle )

Nano Silica ( Silica Nano Particle )
  • Nano Silica ( Silica Nano Particle )
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Approx. Price: Rs 675 / KgGet Latest Price

Product Details:

Minimum Order Quantity5 Kg
GradeNano
Usage/ApplicationPaints,Coating,Construction,Concrete,Printing Inks,Food
ColorTransparent
Service LocationChennai
BrandAstrra Chemicals
ph value3.7 - 4.5
Tamped density40 - 60 g/l
specific gravity2.2 - 2.4

We are the leading manufactures, technical suppliers of Nano Silica in Chennai, Tamil Nadu,

Nano silica in the construction industry, extensive research is going on to improve the performance of various building materials and development of durable and sustainable concrete. Among all the nano-materials, nano-silica is the most widely used material in the cement and concrete to improve the performance because of its pozzolanic reactivity besides the pore-filling effect. concrete strength is influenced by lots of factors like concrete ingredients, age, ratio of water to cement materials, etc. Nano-silica incorporation into concrete resulted in higher compressive strength than that of normal concrete to a considerable level. for nano-silica blended concretes up to maximum limit of 2% with average particle size of 15 and 80 nm. Same results were obtained for split tensile and flexural strength.

Certificate Of Analysis:

Test Item Standard Requirements Test Results
Specific Surface Area ( M2/g) 200 + 20 202
Ph Value 3.7 – 4.5 4. 12
Loss On Drying @ 105 Deg.c (5) < 1. 5 0. 47
Loss On Ignition @ 1000 Deg.c (%) < 2.0 0.66
Sieve Residue (5) < 0. 04 0. 02
Tamped Density G/l 40 – 60 44
Sio2 Content ( % ) > 99. 8 99. 88
Al2O3 < 0. 03 0. 005
TiO2 < 0. 02 0. 004
Fe2O3 < 0. 003 0. 001
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Additional Information:

  • Production Capacity: 5000 Kgs
  • Delivery Time: 7 to 10 days
  • Packaging Details: 5 /10 Kg Hdpe Bags
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Sodium Meta Silicate

Sodium Meta Silicate
  • Sodium Meta Silicate
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Approx. Price: Rs 38 / KilogramGet Latest Price

Product Details:

Minimum Order Quantity50 Kilogram
BrandAstrra Chemicals
Usage/ApplicationConstruction
Chemical FormulaNa2SiO3
Density2.4 g/cm3
Melting Point1,088 Deg C
Molar mass122.06 g/mol

With the help of our distinguished professionals, we have been able to manufacture, supply, wholesale and export Sodium Meta Silicate. The range offered by us is tested to be pure and cent percent effective. Available at very affordable prices, this chemical formulation finds numerous applications in various industries.

Features:
  • Longer shelf life
  • Effective
  • Safe usage

Certificate of analysis:
Total alkalinity (as Na2O ) % by mass, min21
Ratio of total alkalinity (as Na2O) to total soluble silica (as SiO2) : (Na2O ) : SiO2)1:1 ± 0. 05
Loss on evaporation % by mass, max59
Matter insoluble in water % by mass, max0.5
Free alkalinity (as Na2O ) % by mass, max0.8
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Foundry Sand

Foundry Sand
  • Foundry Sand
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Approx. Price: Rs 20 / KilogramGet Latest Price

Product Details:

Minimum Order Quantity50 Kilogram
Usage/ApplicationConstruction
MaterialSilica
GradeFoundry
Packaging Size25 kg/bag
ColorBrown
Packaging TypeHDPE Bag
BrandAstrra Chemicals

Foundry Sand

We are the leading manufactures, exporters,technical developers and suppliers Foundry Sand in Chennai, Tamil Nadu, 

Concrete is a mixture comprised of cement (10-15 percent). Foundry sand can be used as a fine aggregate substitute in concrete. Fine aggregates are generally 3/8 inch or smaller,  in diameter. Foundry sand meets two of the critical requirements for concrete aggregates: it is uniformly graded, and is strong, hard, and durable.

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Additional Information:

  • Production Capacity: 10000 Kgs
  • Delivery Time: 7 to 10 days
  • Packaging Details: Brand New HDPE Bags
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Calcium Chloride Powder Anhydrous

Calcium Chloride Powder Anhydrous
  • Calcium Chloride Powder Anhydrous
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Approx. Price: Rs 29 / KgGet Latest Price

Product Details:

Minimum Order Quantity50 Kg
BrandAstrra Chemicals
Chemical FormulaCaCl2
Physical State/FormPowder
Packaging Size50
Packaging TypeHDPE Bag
Physical FormPowder

Known for manufacturing, supplying, wholesaling and exporting a wide range of optimum quality Industrial Chemical, Astrra Chemicals, based in Chennai, was established in the year 1992. Offered chemical range is inclusive of Construction Chemicals, Antioxidants Chemicals and Aromatic Chemicals. Available with us at cost-effective prices, these chemicals are extremely appreciated for their compositional accuracy and high effectiveness. In addition to this, our company is engaged in manufacturing, wholesaling and exporting best quality FRP Products - Raw Materials, De-ionized Water, Industrial Solvents Essential Oils Industrial Dyes and Industrial Pigments. Our offered products are extensively used in various industrial applications and are highly demanded by the customers.

With the aid of our team of highly dedicated professionals, we have been able to meet the bulk order requirements of production within the stipulated time frame. Our professionals, who hold expertise in their area of operations, are trained on a regular basis through seminars and workshops in order to enhance and polish their technical as well as professionals skills. Highly motivated to attain maximum customer satisfaction, our company strictly follows customer centric approach and transparent business policies, since its inception. We export our products all over the world.
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Foaming Agent

Foaming Agent
  • Foaming Agent
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Approx. Price: Rs 150 / KilogramGet Latest Price

Product Details:

Minimum Order Quantity5 Kilogram
Usage/ApplicationIndustrial
Packaging Size5-10 Liter
BrandAstrra Chemicals
Packaging TypeCan
Form TypeLiquid
FormLiquid

Known for manufacturing, supplying, wholesaling and exporting a wide range of optimum quality Industrial Chemical, Astrra Chemicals, based in Chennai, was established in the year 1992. Offered chemical range is inclusive of Construction Chemicals, Antioxidants Chemicals and Aromatic Chemicals. Available with us at cost-effective prices, these chemicals are extremely appreciated for their compositional accuracy and high effectiveness. In addition to this, our company is engaged in manufacturing, wholesaling and exporting best quality FRP Products - Raw Materials, De-ionized Water, Industrial Solvents Essential Oils Industrial Dyes and Industrial Pigments. Our offered products are extensively used in various industrial applications and are highly demanded by the customers.

With the aid of our team of highly dedicated professionals, we have been able to meet the bulk order requirements of production within the stipulated time frame. Our professionals, who hold expertise in their area of operations, are trained on a regular basis through seminars and workshops in order to enhance and polish their technical as well as professionals skills. Highly motivated to attain maximum customer satisfaction, our company strictly follows customer centric approach and transparent business policies, since its inception. We export our products all over the world.
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Foaming Agent

Foaming Agent
  • Foaming Agent
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Approx. Price: Rs 150 / kgGet Latest Price

Product Details:

Minimum Order Quantity5 kg
Usage/ApplicationIndustrial
Packaging Size5-10 Liter
Packaging TypeCan
Form TypePowder
BrandAstrra Chemicals
ColorWhite

Known for manufacturing, supplying, wholesaling and exporting a wide range of optimum quality Industrial Chemical, Astrra Chemicals, based in Chennai, was established in the year 1992. Offered chemical range is inclusive of Construction Chemicals, Antioxidants Chemicals and Aromatic Chemicals. Available with us at cost-effective prices, these chemicals are extremely appreciated for their compositional accuracy and high effectiveness. In addition to this, our company is engaged in manufacturing, wholesaling and exporting best quality FRP Products - Raw Materials, De-ionized Water, Industrial Solvents Essential Oils Industrial Dyes and Industrial Pigments. Our offered products are extensively used in various industrial applications and are highly demanded by the customers.

With the aid of our team of highly dedicated professionals, we have been able to meet the bulk order requirements of production within the stipulated time frame. Our professionals, who hold expertise in their area of operations, are trained on a regular basis through seminars and workshops in order to enhance and polish their technical as well as professionals skills. Highly motivated to attain maximum customer satisfaction, our company strictly follows customer centric approach and transparent business policies, since its inception. We export our products all over the world.
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Micaceous Iron Oxide

Micaceous Iron Oxide
  • Micaceous Iron Oxide
  • Micaceous Iron Oxide
  • Micaceous Iron Oxide
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Approx. Price: Rs 38 / KilogramGet Latest Price

Product Details:

Minimum Order Quantity50 Kilogram
BrandAstrra Chemicals
ApplicationIndustrial
GradeMIO
Packaging TypeHDPE Bag
Packaging Size25-50 kg/bag
Physical FormFe2o3

Product Details:
Chemical nameHematite
Chemical formulafe2o3
ColorGrey to reddish brown
Seive analysisResult (% retained)
150 mesh bss (100 microns)traces
240 mesh bss (63 microns)05% - 15%

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Liquid Sodium Silicate

Liquid Sodium Silicate
  • Liquid Sodium Silicate
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Approx. Price: Rs 32 / KilogramGet Latest Price

Product Details:

Minimum Order Quantity10 Kilogram
BrandAstrra Chemicals
Packaging TypeCan, Bottle
Physical FormLiquid
Chemical FormulaCa(OH)2
Specific Gravity40 +/- 1 Deg. Be
UsageIndustrial

Concrete treated with a sodium silicate solution helps to significantly reduce porosity in most masonry products such as concrete, stucco, and plasters. A chemical reaction occurs with the excess Ca(OH)2 (portlandite) present in the concrete that permanently binds the silicates with the surface, making them far more durable and water repellent. This treatment generally is applied only after the initial cure has taken place (7 days or so depending on conditions). These coatings are known as silicate mineral paint.

 

Certificate of Analysis:
Technical SpeciicationNeutral GradeAlkaline Grade
AppearanceHazy ColourlessViscous Translucent
Total Alkalnity ( As Na2o) % By Mass, Min9. 00 +/- 1. 0015. 00 +/- 1. 00
Soluble Silicate As Sio22933
Toal Soluble Slicate % By Mass, Min38. 00 +/- 148
Ratio Of Total Alkalinity ( As (Na2o ) To Total Soluble Silica (As Sio2: ( Na2o: Sio2 )01:30.2001:02.20
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Calcium Chloride Flake

Calcium Chloride Flake
  • Calcium Chloride Flake
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Approx. Price: Rs 29 / KilogramGet Latest Price

Product Details:

Minimum Order Quantity100 Kilogram
BrandAstrra Chemicals
Chemical FormulaCaCl2
Physical FormPowder
Usage/ApplicationIndustrial
Packaging TypePoly Bag
Density2.15 g/cm3
Melting Point772 Deg C

CALCIUM CHLORIDE ( FLAKES ) 

We are the leading manufactures, exporters,technical developers and suppliers of CALCIUM CHLORIDE ( FLAKES ) in Chennai, Tamil Nadu, 
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Sodium Silicate Liquid (Alkaline)

Sodium Silicate Liquid (Alkaline)
  • Sodium Silicate Liquid (Alkaline)
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Approx. Price: Rs 32 / KilogramGet Latest Price

Product Details:

Minimum Order Quantity100 Kilogram
FormLiquid
Packaging Size50 / 200 KGS
Grade StandardTechnical Grade
BrandAstrra Chemicals
UsageIndustrial
Physical StateLiquid
Packaging TypeCan,Bottle
Chemical FormulaNa2SiO3

SODIUM SILICATE LIQUID

We are the leading manufactures, exporters,technical developers and suppliers of  SODIUM SILICATE LIQUID in Chennai, Tamil Nadu,

Sodium silicates are used in industry as adhesives, detergents, ingredients in cleaning compounds, cements, binders, and unique coatings, as well as coagulant aids, anticorrosives, catalyst bases, deflocculants, chemicals, zeolites

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Additional Information:

  • Production Capacity: 10000 KGS
  • Delivery Time: 7 TO 10 DAYS
  • Packaging Details: PLASTIC CANS / DRUMS
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Viscosity Modify Agent

Viscosity Modify Agent
  • Viscosity Modify Agent
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Approx. Price: Rs 225 / KgGet Latest Price

Product Details:

Minimum Order Quantity5 Kg
Usage/ApplicationIndustrial
FormLiquid
Packaging TypeCan, Bottle
Specific Gravity1.10
BrandAstrra Chemicals
PH6. 00
Totoal Solids45%

Known for manufacturing, supplying, wholesaling and exporting a wide range of optimum quality Industrial Chemical, Astrra Chemicals, based in Chennai, was established in the year 1992. Offered chemical range is inclusive of Construction Chemicals, Antioxidants Chemicals and Aromatic Chemicals. Available with us at cost-effective prices, these chemicals are extremely appreciated for their compositional accuracy and high effectiveness. In addition to this, our company is engaged in manufacturing, wholesaling and exporting best quality FRP Products - Raw Materials, De-ionized Water, Industrial Solvents Essential Oils Industrial Dyes and Industrial Pigments. Our offered products are extensively used in various industrial applications and are highly demanded by the customers.

With the aid of our team of highly dedicated professionals, we have been able to meet the bulk order requirements of production within the stipulated time frame. Our professionals, who hold expertise in their area of operations, are trained on a regular basis through seminars and workshops in order to enhance and polish their technical as well as professionals skills. Highly motivated to attain maximum customer satisfaction, our company strictly follows customer centric approach and transparent business policies, since its inception. We export our products all over the world.
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Brushbond (Waterproofing Compound)

Brushbond (Waterproofing Compound)
  • Brushbond (Waterproofing Compound)
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Approx. Price: Rs 125 / KilogramGet Latest Price

Product Details:

Minimum Order Quantity10 Kilogram
BrandAstrra Chemicals
Usage/Applicationcostruction
Packaging Size100-1000 ml
TypeBonding
ColorPale Yellow
Physical StateLiquid
Shelf Life1 year
Packaging TypeBottle

Brushbond is an high performance elastomeric cementitious coating used for waterproofing. To protect atmospherically exposed reinforced concrete structures from attack by acid gases, chloride ions, oxygen & water.Brushbond is suitable for all types of structures including those in coastal environments.
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Additional Information:

  • Production Capacity: 5000 Lts
  • Delivery Time: 7 to 10 Days
  • Packaging Details: Plastic Cans / Drums
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Antimony Tri Oxide

Antimony Tri Oxide
  • Antimony Tri Oxide
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Approx. Price: Rs 540 / KgGet Latest Price

Product Details:

BrandAstrra
GradeFire Retardin
Usage/ApplicationFire Retardin
Packaging TypeHDPE BAG
Packaging Size50KG
Physical FormPowder

ANTIMONY TRI OXIDE

We are the leading manufactures, exporters,technical developers and suppliers of ANTIMONY TRI OXIDE in Chennai, Tamil Nadu.

Sb203 - 99.80%
pb       - 0.075%
As   - 0.008%
Fe       - 0.001%
Whitness - 93.86
D = 50um - 1.35

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PVA Solution

PVA Solution
  • PVA Solution
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Approx. Price: Rs 125 / KgGet Latest Price

Product Details:

FormLiquid
Usage/ApplicationIndustrial
ColorTransparent
Packaging SizeBottle
Packaging TypePlastic bottle
BrandAstraa

Trade Information
  • Supply Ability
  • 1000 Kilograms Per Month
  • Delivery Time
  • 1 Week
  • Main Domestic Market
  • All India
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Shell Powder ( Mushroom Cultivation Grade )

Shell Powder ( Mushroom Cultivation Grade )
  • Shell Powder ( Mushroom Cultivation Grade )
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Approx. Price: Rs 30 / KgGet Latest Price

Product Details:

ColorWhite
BrandAstraa
FormPowder
Usage/ApplicationMultipurpose

Trade Information
  • Supply Ability
  • 1000 Kilograms Per Month
  • Delivery Time
  • 1 Week
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    Calcium Chloride ( Anhydrous )

    Calcium Chloride ( Anhydrous )
    • Calcium Chloride ( Anhydrous )
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    Approx. Price: Rs 30 / KgGet Latest Price

    Product Details:

    BrandAstraa
    Physical State/FormFlakes
    Usage/ApplicationConstruction

    Trade Information
    • Supply Ability
    • 1000 Kilograms Per Month
    • Delivery Time
    • 1 Week
    • Main Domestic Market
    • All India
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    Reach Us
    Sanklesh Fatechand Chabria (Managing Partner)
    Astrra Chemicals
    No. 11, Moores Road, Moores Garden
    Thousand Lights, Chennai - 600006, Tamil Nadu, India


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