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Astrra Chemicals
Astrra Chemicals


Ultra High Strength Concrete Admixture & Aggregate

Pioneers in the industry, we offer viscosity modifying agent, pulverized rice husk ash, robo sand, white microsilica silica fume, bentonite sodium based and calcined bentonite from India.

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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    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 / KilogramGet Latest Price

    Product Details:
    Minimum Order Quantity50 Kilogram
    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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    Bentonite Sodium Based

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    Approx. Rs 13.5 / KilogramGet Latest Price

    Product Details:
    Minimum Order Quantity100 Kilogram
    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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    Calcined Bentonite

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    Approx. Rs 18.5 / KilogramGet Latest Price

    Product Details:
    Minimum Order Quantity50 Kilogram
    BrandAstrra Chemicals
    PH Value06.00% to 07.00%
    Swelling5ccs in 24 Hours
    Gel Index11.00%
    Water of Plasticity86.95%

    Product Details:

    Chemical Analysis

    FORMULA

    Maximium

    Minimum

    Silica

    SiO2

    40.00%

    45.00%

    Magnesium Oxide

    MgO

    06.00%

    7.00%

    Aluminium Oxide

    Al2O3

    08.00%

    10.00%

    Ferric Oxide

    Fe2O3

    08.00%

    10.00%

    Titanium Oxide

    TiO2

    ----

    01.50%

    Calcium Oxide

    CaO

    08.00%

    10.00%

    Loss on Ignition

    20.00%

    22.00%


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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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    Heavy Aluminium Silicate

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    Heavy Aluminium Silicate
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    Approx. Rs 38 / KilogramGet Latest Price

    Product Details:
    Minimum Order Quantity100 Kilogram
    BrandAstrra Chemicals
    Chemical FormulaAl2SiO5
    ChemSpider ID8488719
    PubChem CID10313254
    Molar mass162.0456 g mol1

    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.
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    Aluminium Oxide Powder

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    Aluminium Oxide Powder
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    Approx. Rs 68 / KilogramGet Latest Price

    Product Details:
    Minimum Order Quantity100 Kilogram
    ColorBrown
    BrandAstrra Chemicals
    Packaging TypeHDPE Bag
    Physical FormPowder

    Product Details:

    MESH

    50

    70

    80

    100

    - 120

    %

    0

    15

    75

    94

    0.1

     

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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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