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Ultra High Strength Concrete Admixture & Aggregate

Pioneers in the industry, we offer white microsilica silica fume, pulverized rice husk ash, polycarboxylate superplasticizer, yellow iron oxide (synthetic), silica fume (white) and heavy aluminium silicate from India.
White Microsilica Silica Fume
  • White Microsilica Silica Fume
  • White Microsilica Silica Fume

White Microsilica Silica Fume

Product Price: Rs 23 / KgGet Best Price

Minimum Order Quantity: 50 Kg

Product Details:
GradeConcrete Grade
MaterialMicrosilica
Packaging Size50 Kgs
ColorWhite
StatePowdered
Packaging TypeHDPE Bag
Purity97%
Density0.76 gm/cc
PH Value6.90
BrandAstrra Chemicals
We are the leading manufactures, technical suppliers of white silica fume ( microsilica ) in chennai, tamil nadu, india for the concrete industry. It is a very rare micro silicon powder. We are very strict on the raw material and production process and it can be used in superfine fillers with high whiteness requirements, such as grout, sealant, and repair agent so on. It improves the properties of both fresh and hardened concrete. The most important property is the permeability, lower the ingress of movement of water or chemicals; lower the adverse reactions such as sulfate attack, the reaction between silica fume and the calcium hydroxide, released as the cement hydrates, provides a dense impermeable pore structure. The temperature of the white fume silica is 1800 degrees, higher than the ordinary microsilica fume, so in the refractory industry, white micro silicon powder is more popular. Improve the mechanical performances of concrete. The silica fume reacts with the cement paste to form additional strong calcium silicate hydrate (csh) providing higher strength. Silica fume reduces bleeding and enhances the cement paste bond to the aggregates. Thanks to its pozzolanic effect (reaction with ca(oh)2 ), and therefore to the strength improvement.

concrete or shotcrete:

  • increases its density and strength, improves the performance on its durability, impact resistances, corrosion resistance, anti-permeability and frost resistance etc.
  • refractory material & ceramics material
  • greatly improves its density, strength and high temperature performance.
  • cementitious repair products (mortars & grouts)
  • low permeability, increases resistances from chlorides, acids, nitrates and sulfate etc.
  • oil well grouting
  • increase durability and compressive strength, decreases permeability, better control of gas leakage
  • concrete tile, roofing & wallboard, panels
  • light weight and improves the strength
  • polymers & rubber product
  • other application, such as water glass industry, thermal insulation material etc.
microsilica ( silica fumed densified ) 1). It is a very reactive and effective pozzoloanic material due to its fine particle size and high purity of sio2 ( 99. 5% ) content. 2). It enhances the mechanical properties, durability and constructability in concrete, 3). It is used in the production of high strenght & high performance concrete, 4). It is used in the production of high performance concrete structures like bridge’s where the strenght and durability properties of the concrete is required. 5). 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 increses the life of the stucture. 6). The recommended dosage is 7 – 10 % of the cement weight added to the concrete. Microsilica or silica fumed is the most commonly used mineral admixture in high strength concrete. It has become the chosen favorites for high strength concrete and is a good pozzolan & can be used in a big way, adding to the concrete mix will dramatically enhance the workability, strength & impermeability of concrete mixes while making the concrete durable to chemical attacks, abrasion & reinforcement corrosion, increasing the comprehensive strength. There is a growing demand in the production of concrete mixes, high performance concrete, and high strength, low permeability concrete for use in bridges, marine environment, and nuclear plants ctc ctc.
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Pulverized Rice Husk Ash

Pulverized Rice Husk Ash

Product Price: Rs 20.00 / KilogramGet Best Price

Minimum Order Quantity: 100 Kilogram

Product Details:
BrandAstrra Chemicals
ColorBlack
Physical StatePowder
Usage/ApplicationIndustrial
Packaging TypeHDPE Bag
Packaging Size25 kg/bag
In order to cater the assorted variety to our clients, we are offering a wide range of Pulverized Rice Husk Ash.
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Polycarboxylate Superplasticizer

Polycarboxylate Superplasticizer

Product Price: Rs 250 / KgGet Best Price

Minimum Order Quantity: 5 Kg

Product Details:
Usage/ApplicationIndustrial
Packaging TypeCan
BrandAstra Chemicals
Specific Gravity1.110 to 0.02
Grade StandardIndustrial Grade
FormLiquid

Uses:

  • To produce pumpable concrete
  • To produce high strength, high grade concrete by substantial reduction in water resulting in low permeability and high early strength.
  • To produce high workability concrete requiring little or no vibration during placing.


Advantages:

  • Improved workability - Easier, quicker placing and compaction.
  • Increased strength - Provides high early strength for precast concrete with the advantage of higher water reduction ability.
  • Improved quality - Denser, close textured concrete with reduced
  • porosity and hence more durable.
  • Higher cohesion - Risk of segregation and bleeding minimised; thus aids pumping of concrete
  • Chloride free - Safe in prestressed concrete and with sulphate resisting cements and marine aggregates.
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Yellow Iron Oxide (Synthetic)

Yellow Iron Oxide (Synthetic)

Product Price: Rs 145 / KgGet Best Price

Minimum Order Quantity: 100 Kg

Product Details:
BrandAstrra Chemicals
ColorYellow
Packaging TypePoly Bag
Packaging Size25Kg
Physical FormPowder
Chemical FormulaFe(OH)3
Molar Mass106.867 g/mol
We are the leading manufactures, exporters,technical developers and suppliers Yellow Iron Oxide (Synthetic) in Chennai, Tamil Nadu.

Synthetic Yellow Iron Oxide is a inorganic Pigment of fine particle size and great tinctorial strength, Excellent light fastness, resistance to alkali, non-toxic and non-inflammable & produce very attractive shades of variegated colors.

Applications :
Pigments, Decorative Paints, Floor colour,Primer and Wood Finish.
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Silica Fume (White)

Silica Fume (White)

Product Price: Rs 23 / KgGet Best Price

Minimum Order Quantity: 100 Kg

Product Details:
ColorWhite
StatePowdered
Density0.76 gm/cc
Melting Point1,710 Deg C
BrandAstrra Chemicals
FormulaSiO2
White Microsilica ( Silica Fume ) – the Ultimate Pozzolan We supply Micro Silica (also known as silica fume) products to the following industries :- White Microsilica fume (powdery) is a very rare micro silicon powder. It is very strict on the raw material and production process and it can be used in superfine fillers with high whiteness requirements, such as grout, sealant, repair agent and so on. White Microsilica ( Silica Fume ) improves the properties of both fresh and hardened concrete. The most important property is the permeability, Lower the ingress of movement of water or chemicals; lower the adverse reactions such as sulfate attack, The reaction between silica fume and the calcium hydroxide, released as the cement hydrates, provides a dense impermeable pore structure. The temperature of the white microsilica fume is 1800 degrees, higher than the ordinary microsilica fume, so in the refractory industry, white micro silicon powder is more popular. Improve the mechanical performances of concrete. The Silica fume reacts with the cement paste to form additional strong Calcium Silicate Hydrate (CSH) providing higher strength. Silica fume reduces bleeding and enhances the cement paste bond to the aggregates. Thanks to its pozzolanic effect (reaction with Ca(OH)2 ), and therefore to the strength improvement. Cement / Concrete Construction Refractory industries Tiles Paints Decorative Concrete Products
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Heavy Aluminium Silicate

Heavy Aluminium Silicate

Product Price: Rs 42 / KgGet Best Price

Minimum Order Quantity: 100 Kg

Product Details:
BrandAstrra Chemicals
Chemical FormulaAl2SiO5
ChemSpider ID8488719
PubChem CID10313254
Molar mass162.0456 g mol1
AppearancePure White Powder
Product Details:
PropertyUnitSpecifictionTest Value
Moisture Content%0. 40 max.0.1
Bulk Densitygm/cc0.40 – 0.480.47
Ph ( 2% Acq.slurry )-6.0 – 7.56.68
Water Absorption%34 – 4241.4
Averag Particle SizeMICRON6.0 – 8.07.23
Residue Through 300 Mesh%0.2 MAX.0.18
Colour / Whiteness-White powderConsform to Std.


Additional Information:

  • Item Code: 300M
  • Production Capacity: 100 TONNES
  • Delivery Time: 7 DAYS
  • Packaging Details: 50 KGS HDPE BAGS
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Extra Light Aluminum Silicate

Extra Light Aluminum Silicate

Product Price: Rs 80 / KgGet Best Price

Minimum Order Quantity: 50 Kg

Product Details:
Usage/ApplicationConstruction
Packaging TypeBag
Packaging Size50 Kgs
ColorWhite
BrandAstrra Chemicals
Chemical FormulaAl2SiO5
Ph4.5 - 5.5 (10% solids)
Bulk density0.4 - 0.5 (kg/lit)
Specific surface area19 - 20 m2/g (bet)
We are an eminent organization, which is engaged in manufacturing, exporting and technical developers of highly pure Extra Light Aluminum Silicate 
Features:
  • Purity
  • Accurate composition
  • Longer shelf life
  • Aggregate Concrete
  • Concrete Admixture
  • Cement admixture


Additional Information:

  • Production Capacity: 100 TONNES
  • Delivery Time: 7 DAYS
  • Packaging Details: HDPE BAGS
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Alccofine 1203 Concrete Adhesive

Alccofine 1203 Concrete Adhesive

Product Price: Rs 42 / KgGet Best Price

Product Details:
Usage/ApplicationConstruction / Concrete Admixture
MaterialAlcofine
Grade Standard1203
Construction Material Typeadmixture
Packaging TypeBag
Packaging Size25 Kgs
ColorGray
Shapepowder
Warranty2 years
BrandAmbuja Cements
We are leading suppliers, exporters of Alcofine - 1203 ( Construction Grade ) at Chennai, Tamilnadu, India.

Alccofine
 is easy to use and can be added directly with cement, ultrafine particle of Alccofine provide better and smooth surface finish. For high strength concrete the cost of the concrete mix prepared with Alccofine is lesser than the concrete without Alccofine. It also lower the water/binder ratio. It also analyzes the results of workability, compressive strength, and flexural-strength.

Additional Information:

  • Production Capacity: 10000 Kgs
  • Delivery Time: 7 days
  • Packaging Details: 25 Kgs HDPE Bag
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Crushed M Sand ( M SAND )

Crushed M Sand ( M SAND )

Product Price: Rs 1,750 / TonneGet Best Price

Minimum Order Quantity: 10000 Tonne

Product Details:
Packaging SizeTONNES
GradeM SAND
Packaging TypeLorry
ColorBlack
Usage/ApplicationCONSTRUCTION
Country of OriginMade in India
Crushed M Sand

M SAND

We are a trusted name in supplying, wholesaling and exporting CRUSHED M SAND ( M SAND ).

Additional Information:

  • Production Capacity: 100000
  • Delivery Time: IMMEDIATE
  • Packaging Details: LOOSE PACKING
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Asbestos Fluff Powder

Asbestos Fluff Powder

Product Price: Rs 48 / KgGet Best Price

Minimum Order Quantity: 100 Kg

Product Details:
StatePowdered
Packaging Size25 kg/bag
Packaging TypePacket
ColorLight Brown
LusterGolden
Purity95 & Above
BrandAstrra Chemicals

We are identified as one of the leading manufacturers, suppliers, wholesalers and exporters in Chennai, Tamilnadu, India of premium quality Asbestos Powder. To provide finest quality, this powder is processed using high quality ingredients that are sourced from certified vendors of the market. We thoroughly check this powder on various parameters like shelf life and precise composition.

Features:

Purity

Longer shelf life

Precise composition



Additional Information:

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

Perlite Powder

Product Price: Rs 68 / KilogramGet Best Price

Minimum Order Quantity: 10 Kilogram

Product Details:
StatePowdered
ColorWhite
Packaging TypeHDPE Bag
BrandAstrra Chemicals
PH Value7-10
Packaging Size25 kg/bag
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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Micronized Barium Sulphate

Micronized Barium Sulphate

Product Price: Rs 48 / KgGet Best Price

Minimum Order Quantity: 100 Kg

Product Details:
Packaging details50Kg Bag
Purity95%
GradeMICRONISED
BrandAstrra Chemicals
FormPowder
Molecular formulaBaSO4
Whiteness %94.00%
Density4.5 g/cm3
Melting Point1,580 Deg C
Molar mass233.38 g/mol
Micronised Barium Sulphate

We are the leading manufactures, exporters,technical developers and suppliers of Micronised Barium Sulphate in Chennai, Tamil Nadu.


Product Details:

BaSo4

95.00% Min

SiO2

02.00% Max

Brightness

94.00% Min.

Whiteness

94.00% Min



Additional Information:

  • Production Capacity: 500 tonnes per month
  • Delivery Time: Within 7 days
  • Packaging Details: Double lined HDPE Bags
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Aluminum Oxide Powder

Aluminum Oxide Powder

Product Price: Rs 140 / KilogramGet Best Price

Product Details:
BrandAstrra Chemicals
Hardness2090 Knoop scale; 9.0 Mohs scale
True Specific Gravity3.95 g/cm3
Refractory DegreeAbout 1800 deg C
Magnetic Material0.0035%
Product Details:

Typical Chemical Analysis

Na2O

0.35% max

SiO2

0.1 max

Cao

0.01%

TiO2

0.008%


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Sodium Based Bentonite Clay

Sodium Based Bentonite Clay

Product Price: Rs 14.5 / KgGet Best Price

Minimum Order Quantity: 100 Kg

Product Details:
StatePowdered
GradeDrilling
Packaging Size50 Kgs
Packaging TypeBags
ColorBrown
PH Value06.00% to 07.00%
BrandAstrra Chemicals
Swelling5ccs in 24 Hours
Gel Index0.11
Water of Plasticity0.8695
We are identified as one of a prominent manufacturer, supplier, wholesaler and exporter of superior grade Bentonite Sodium Based. These chemicals are processed under the controlled environment in accordance with the requirements of esteemed customers. Available at market leading prices, these chemicals have a precise pH value and are non toxic.

Features:
  • Accurate composition
  • Precise pH value
  • Longer shelf life

Certificate of analysis:
Chemical AnalysisFormulaMaximumMinimum
SilicaSiO20.40.45
Magnesium OxideMgO0.060.07
Aluminium OxideAl2O30.080.1
Ferric OxideFe2O30.080.1
Titanium OxideTiO2----0.015
Calcium OxideCaO0.080.1
Loss on Ignition
0.20.22
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Viscosity Modifying Agent

Viscosity Modifying Agent

Product Price: Rs 225 / KilogramGet Best Price

Minimum Order Quantity: 5 Kilogram

Product Details:
Packaging Size5 - 25 Liter
TypeEpoxy Based
Usage/ApplicationConstruction
FormLiquid
Packaging TypeCan
Shelf Life1 year
BrandAstrra Chemicals
Ph7.64 (6 To 8)
Sulphat Content3-4% (3 to 6)
Product Details:
  • Viscosity Modifying Agent
  • Certificate Of Analysis
  • Viscosity Modifying Agent
  • Product Name: Viscosity Modifying Agent
  • Chemical Composition: Napthalene Sulphonate Based




Additional Information:

  • Production Capacity: 5000 Kgs
  • Delivery Time: Immediate
  • Packaging Details: 5 Kgs & 20 Kgs cans
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Aluminium Oxide Powder ( Grit - 36 )

Aluminium Oxide Powder ( Grit - 36 )

Product Price: Rs 78 / KgGet Best Price

Minimum Order Quantity: 100 Kg

Product Details:
BrandAstrra Chemicals
GradeGrit 36
ColorBrown
MaterialGrit
Packaging TypeHDPE Bag
Physical FormPowder
FormGranular
Packaging Size50 kgs
We are an eminent organization, which is engaged in manufacturing, exporting and technical developers of highly pure Aluminium Oxide Brown ( Grit - 36 )

Product Details:

MESH

50

70

80

100

- 120

%

0

15

75

94

0.1

 

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Magnesium Alumium Silicate ( GRADE - 500 M )

Magnesium Alumium Silicate ( GRADE - 500 M )

Product Price: Rs 18.50 / KgGet Best Price

Minimum Order Quantity: 100 Kg

Product Details:
Grade Standard500M
Usage/ApplicationConstruction
Packaging TypeBag
Packaging Size50 KGS
ColorWhite
BrandASTRRA CHEMICALS
MaterialPURIFIED
Magnesium Alumium Silicate - 500M

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

With firm commitment to quality, we are manufacturing, supplying and exporting Magnesium Aluminium Silicate. This food additive is utilized as a kind of absorbent to filter unwanted residue fat from used frying oil. Our range is frequently used by fast food chains for the absorption of fatty acids.

Features:
  • Soluble
  • Moisture resistant
  • Pure

Use:
  • Cosmetics
  • Beauty Products
  • Deodrants
  • Shaving Creams
  • Thick Lotions

Certificate of analysis:

Colorlight white
FormFinely divided powder ,Moisture Content,
%10.0 max Brightness
Finenessthrough No. 200 sieve %


Additional Information:

  • Production Capacity: 500 TONNES
  • Delivery Time: 7 DAYS
  • Packaging Details: HDPE BAGS
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Plastering P Sand

Plastering P Sand

Product Price: Rs 2,001 / TonneGet Best Price

Product Details:
Usage/ApplicationConstruction
MaterialP SAND
Packaging SizeLOOSE
ColorGray
Packaging TypeLOOSE
BrandASTRRA
Sand TypeCRUSHED
StatePOWDER
Plastering P Sand

We are the leading suppliers, exporters,technical developers of Plastering P Sand in Chennai, Tamil Nadu, India.




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12mm Crushed Stone Aggregate

12mm Crushed Stone Aggregate

Product Price: Rs 950.00 / TonneGet Best Price

Product Details:
BrandASTRRA
Usage/ApplicationCONSTRUCTION
Packaging SizeLOOSE
Size12MM
ColorBlack
FormChips
Country of OriginMade in India
Aggregate 12mm (Stone Crushed Aggregate )

We are the leading suppliers, exporters,technical developers of Aggregate 12mm ( Stone crushed Aggregate ) in Chennai, Tamil Nadu, India.
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Aggregate 30mm Size

Aggregate 30mm Size

Product Price: Rs 950.00 / TonneGet Best Price

Product Details:
BrandASTRRA
Usage/ApplicationCONSTRUCTION
Packaging SizeLOOSE
TypeSolid
Size30mm
Country of OriginMade in India
Aggregate 30mm

We are the leading suppliers, exporters,technical developers of  Aggregate 30mm in Chennai, Tamil Nadu, India.
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Aggregate 40mm Size

Aggregate 40mm Size

Product Price: Rs 950.00 / TonneGet Best Price

Minimum Order Quantity: 10 Tonne

Product Details:
BrandASTRRA
Usage/ApplicationCONSTRUCTION
Packaging SizeLOOSE
TypeSolid
ColorBlack
FormSolid
Country of OriginMade in India
Aggregate 40mm

We are the leading suppliers, exporters,technical developers of  Aggregate 40mm in Chennai, Tamil Nadu, India.


Additional Information:

  • Production Capacity: 1000 tonnes
  • Delivery Time: Immediate
  • Packaging Details: Loose
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