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Home » Products We Offer » Ultra High Strength Concrete Admixture & Aggregate


Ultra High Strength Concrete Admixture & Aggregate

Pioneers in the industry, we offer bentonite sodium based, viscosity modifying agent, aluminium oxide powder ( grit - 36 ), pulverized rice husk ash, robo sand and white microsilica silica fume from India.

Bentonite Sodium Based

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Bentonite Sodium Based
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Approx. Rs 13.5 / KgGet Latest Price

Product Details:
Minimum Order Quantity100 Kg
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

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Viscosity Modifying Agent
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Approx. Rs 225 / KilogramGet Latest Price

Product Details:
Minimum Order Quantity5 Kilogram
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 )

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    Aluminium Oxide Powder ( Grit - 36 )
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    Approx. Rs 76 / KgGet Latest Price

    Product Details:
    Minimum Order Quantity100 Kg
    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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    Pulverized Rice Husk Ash

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    Pulverized Rice Husk Ash
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    Approx. Rs 20.00 / KilogramGet Latest Price

    Product Details:
    Minimum Order Quantity100 Kilogram
    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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    Robo Sand

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    Robo Sand
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    Approx. Rs 1,500 / TonGet Latest Price

    Product Details:
    Minimum Order Quantity100 Ton
    Usage/ApplicationIndustrial
    ColorGray
    FormPowder
    Packaging TypeHDPE Bag
    BrandAstrra Chemicals
    Packaging Size25-50 kg/bag

    We are one of the leading manufacturers, suppliers and exporters of high quality Robo Sand.
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    White Microsilica Silica Fume

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    White Microsilica Silica Fume
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    Approx. Rs 21 / KgGet Latest Price

    Product Details:
    Minimum Order Quantity50 Kg
    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. 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, 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.
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    Polycarboxy Superplasticizer

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    Polycarboxy Superplasticizer
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    Approx. Rs 235 / KilogramGet Latest Price

    Product Details:
    Minimum Order Quantity5 Kilogram
    Usage/ApplicationIndustrial
    Packaging TypeCan
    Grade StandardIndustrial Grade
    BrandAstrra Chemicals
    Specific Gravity1.110 to 0.02
    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)

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    Yellow Iron Oxide (Synthetic)
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    Approx. Rs 88 / KgGet Latest Price

    Product Details:
    Minimum Order Quantity100 Kg
    BrandAstrra Chemicals
    Packaging TypePoly Bag
    ColorYellow
    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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    Magnesium Alumium Silicate ( GRADE - 500 M )

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    Magnesium Alumium Silicate ( GRADE - 500 M )
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    Approx. Rs 16.50 / KgGet Latest Price

    Product Details:
    Minimum Order Quantity100 Kg
    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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    Silica Fume (White)

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    Silica Fume (White)
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    Approx. Rs 21 / KgGet Latest Price

    Product Details:
    Minimum Order Quantity100 Kg
    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

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    Heavy Aluminium Silicate
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    Approx. Rs 42 / KgGet Latest Price

    Product Details:
    Minimum Order Quantity100 Kg
    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

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    Extra Light Aluminum Silicate
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    Approx. Rs 80 / KgGet Latest Price

    Product Details:
    Minimum Order Quantity50 Kg
    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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    Aluminum Oxide Powder

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    Aluminum Oxide Powder
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    Approx. Rs 140 / KilogramGet Latest 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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    Sanklesh Fatechand Chabria (Managing Partner)
    No. 11, Moores Road, Moores Garden, Thousand Lights
    Chennai - 600006, Tamil Nadu, India
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