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Astrra Chemicals
Astrra Chemicals


Ultra High Strength Concrete ADMIXTURE & AGGREGATE

  • Silica Fume ( Microsilica )
  • GGBS
  • Silica Flour
  • Rice Husk Ash
  • Super Plasticizer
  • Water Reducer
  • Microsilica
  • Aluminium Oxide ( Brown - 80m )
  • Aluminium Oxide ( Brown - 220m Powder )
  • Foundry Sand
  • Vermiculite Powder
  • Calcium Hydroxide ( Hydrated Lime )
  • Lime
  • Calcium Oxide ( Quick Lime / Slate Lime )
  • Micronised Mica
  • Sodium Silicate Powder ( Alkali Grade )
  • Micronised Carbon Black
  • Micronised Dolomite
  • ATH ( Aluminium Tri Hydrate )
  • Sand - M72 ( Pure White Silica Sand )
  • Micaceous Iron Oxide
  • Foaming Agent
  • Sodium Hydroxide
  • Pumice Powder
  • Marble Powder ( Marblo - XLD )
  • Micro Clay
  • Red Oxide ( Natural )
  • Sodium Silicate ( Alkaline )
  • Sodium Silicate Powder ( Natural )
  • Lime Stone Powder ( Grade - II )
  • Yellow Oxide ( Natural )
  • Aluminium Silicate ( Extra Light )
  • Calcium Chloride ( Anhydrous )
  • Sodium Silicate ( Liquid - Natural )
  • Iron Oxide Black Powder
  • Bentonite ( Calcium )
  • Bentonite ( Sodium )
  • Zeolite ( Grade - ASM )
  • Asbestose Fibre Powder ( Grade - Fluff )
  • Diatomaceous Earth ( Grade - AS )
  • GGBS
  • Yellow Oxide ( Synthetic )
  • Aluminium Silicate ( Heavy )
  • Magnesium Silicate ( Grade - 500m )
  • Perlite Powder ( Grade - SF II O )
  • Metakaolin
  • Microsilica
  • Nano Silica
  • P.VA Resins Liquid
  • Rice Husk Ash
  • Perlite ( Grade - SF - II )
  • Silica Flour ( Mycosil - 300m )
  • Silica Grit Pure ( Mycosil - 36m )
  • Fumed Silica ( Erosil - NV / 200 )
  • Red Oxide ( Synthetic - Grade - 105 )
  • Red Oxide ( Synthetic - Grade - 152 )
  • Silica Grit Pure ( Mycosi - 50/60m )
  • Super Plasticizers ( Grade - PCE ) ( Poly Carboxy Ether )
  • Super Plasticizers ( Grade - SMF ) ( Sulphonate Melamine Formaldehyde )

Pulverized Rice Husk Ash

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Approx. Rs 20.00 / KilogramGet Latest Price

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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  • Minimum Order Quantity: 100 Kilogram
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    Calcined Bentonite

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    Approx. Rs 18.5 / KilogramGet Latest Price

    SPECIFICATION

    CALCINED BENTONITE

     

    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%

    Physical Properties

    RESULTS

    Swelling

    5ccs in 24 Hours

    Gel Index

    11.00%

    Water of Plasticity

    86.95%

    pH Value

    06.00% to 07.00%

     

     

     


    Additional Information:

  • Minimum Order Quantity: 50 Kilogram
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    ALUMINIUM OXIDE GRIT 16M ( BROWN )

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    Approx. Rs 68 / KilogramGet Latest Price

    CERTIFICATE OF ANALYSIS

     

                     ALUMINIUM OXIDE GRIT 16M – BROWN

    GRIT SIZE: 16M

     

    CHEMICAL ANALYSIS

     

     

    AL2O3

    91.75%

    FE2O3

    0.020%

    NaO2

    0.11%

    CaO

    0.06%

    SiO2

    0.005%

    TIO2

    2.70%


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  • Minimum Order Quantity: 100 Kilogram
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    ALUMINIUM OXIDE GRIT 46M ( BROWN )

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    Approx. Rs 68 / KilogramGet Latest Price

    CERTIFICATE OF ANALYSIS

    ALUMINIUM OXIDE GRIT 46M – BROWN

    GRIT SIZE: 46M

     

    CHEMICAL ANALYSIS

     

     

    AL2O3

    91.75%

    FE2O3

    0.020%

    NaO2

    0.11%

    CaO

    0.06%

    SiO2

    0.005%

    TIO2

    2.70%

     

     


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  • Minimum Order Quantity: 100 Kilogram
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    ALUMINIUM OXIDE POWDER 80M ( BROWN )

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    Approx. Rs 68 / KilogramGet Latest Price

    CERTIFICATE OF ANALYSIS

    ALUMINIUM OXIDE POWDER 80M – BROWN

    GRIT SIZE: 80M

     

     

    MESH

    50

    70

    80

    100

    - 120

    %

    0

    15

    75

    94

    0.1

     


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    ALUMINIUM SILICATE ( HEAVY )

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    Approx. Rs 38 / KilogramGet Latest Price

    CERTIFICATE OF ANALYSIS

               ALUMINIUM SILICATE ( HEAVY )

     

    PROPERTY

    UNIT

    SPECIFICTION

    TEST VALUE

    MOISTURE CONTENT

    %

    0. 40 max.

    0.10

    BULK DENSITY

    gm/cc

    0.40 – 0.48

    0.47

    Ph ( 2% acq.Slurry )

    -

    6.0 – 7.5

    6.68

    WATER ABSORPTION

    %

    34 – 42

    41.4

    AVERAG PARTICLE SIZE

    MICRON

    6.0 – 8.0

    7.23

    RESIDUE THROUGH 300 MESH

    %

    0.2 MAX.

    0.18

    COLOUR / WHITENESS

    -

    White powder

    CONSFORM TO STD.

     

     


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  • Minimum Order Quantity: 100 Kilogram
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    White Microsilica Silica Fume the Ultimate Pozzolan

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    Approx. Rs 21 / KilogramGet Latest Price

    Product Details:
    Minimum Order Quantity50 Kilogram
    StatePowdered
    BrandASTRRA

    We supply Micro Silica (also known as silica fume) products to the following industries :-

    White Microsilica ( Silica Fume )  – the Ultimate Pozzolan

    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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    ALUMINIUM OXIDE GRIT 36M ( BROWN)

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    ALUMINIUM OXIDE GRIT 36M – BROWN

    CERTIFICATE OF ANALYSIS

     

                     ALUMINIUM OXIDE GRIT 36M – BROWN

    GRIT SIZE: 36M

     

    CHEMICAL ANALYSIS

     

     

    AL2O3

    91.75%

    FE2O3

    0.020%

    NaO2

    0.11%

    CaO

    0.06%

    SiO2

    0.005%

    TIO2

    2.70%

     


    Additional Information:

  • Minimum Order Quantity: 100 Kilogram
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    Aluminum Oxide Powder 220m ( Pure White Grade - Cia )

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    CERTIFICATE OF ANALYSIS

    ALUMINIUM OXIDE POWDER 220M – WHITE

     

    TYPICAL CHEMICAL ANALYIS

    Al2O3

    99.30% min

    Fe2O3

    0.03% max

    Na2O

    0.35% max

    SiO2

    0.1 max

    Cao

    0.01%

    TiO2

    0.008%

     

    PHYSICAL PROPERTIES

    Color

    Brilliant White

    Shape

    Angular and Sharp

    Crystal Form

    Alpha – alumina

    True Specific Gravity

    3.95 g/cm3

    Hardness

    2090 Knoop scale ; 9.0 Mohs scale

    Refractory Degree

    About 1800 deg C

    Magnetic Material

    0.0035%

     

    Grit Sizes

    220

    Bulk Density Test Value (g/cm3)

    1.55

     

    PARTICLE SIZE DISTRIBUTION (PSD)

    PSD According to FEPA Standard

     


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    Sanklesh Fatechand Chabria (Managing Partner)
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    Chennai - 600006, Tamil Nadu, India
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