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       Welcome To Saurashtra Solid Industries Pvt. Ltd. Manufacturer of Precipitated calcium carbonate & Allied Fine Chemicals.  
         
     


    RUBBER GRADE

    Precipitated Calcium Carbonate is used by Rubber Product Manufacturers for the manufacturing of different rubber products like Tyres, Tubes, Hawai Chappals, Soles, Straps and other rubber parts.

    With its high whiteness and dispensability, Precipitated Calcium Carbonate improves the process ability characteristics of rubber product manufacturing units. Precipitated Calcium Carbonate is a Reinforcing filler which Reduces the Cost of finished products.

    Specifications of Light Rubber Grade:

    Chemical Properties

     

     

     

    CaCO3 % by Weight

    98.25 0.25

    Lead as pb

    10 ppm Max.

    Copper as Cu

    2 ppm Max.

    Arsenic as As

    2 ppm Max.

    Sulphate as SO4

    0.4% Max.

    Soluble alkali as Na2O

    0.25% Max.

    Silica as SiO2

    0.5% Max.

    Iron as Fe

    250 ppm Max.

    Matter insoluble in HCL

    0.5% Max.

    pH

    9.5 0.5

    Phosphate

    20 ppm Max.

    Chloride as Cl

    20 ppm Max.

    Magnesium as MgO

    0.5% Max.

    Flouride as F

    20 ppm Max.

     

     

    Physical Properties

     

     

     

    Whiteness

    95 Min.

    Crystal Structure

    Argonite

    Water Absorption

    70 to 75 ml/100 gm

    Oil Absorption

    45 to 50 ml/100 gm

    Loss on Drying at 105o C

    0.5% Max.

    Specific Gravity

    2.6 to 2.9

    Bulk Density

    0.50 to 0.55 gm/ml

    Average Particle Size

    6 to 8 μm

    Residue on 300 mess

    0.2% Max.

     

     

     

     

     

     

     

     

     

     

     

     

    Specifications of Extra Light Rubber Grade:

    Chemical Properties

     

     

     

    CaCO3 % by Weight

    98.25 0.25

    Lead as pb

    10 ppm Max.

    Copper as Cu

    2 ppm Max.

    Arsenic as As

    2 ppm Max.

    Sulphate as SO4

    0.4% Max.

    Soluble alkali as Na2O

    0.25% Max.

    Silica as SiO2

    0.5% Max.

    Iron as Fe

    250 ppm Max.

    Matter insoluble in HCL

    0.5% Max.

    pH

    9.5 0.5

    Phosphate

    20 ppm Max.

    Chloride as Cl

    20 ppm Max.

    Magnesium as MgO

    0.5% Max.

    Flouride as F

    20 ppm Max.

     

     

    Physical Properties

     

     

     

    Whiteness

    95 Min.

    Crystal Structure

    Argonite

    Water Absorption

    80 to 85 ml/100 gm

    Oil Absorption

    60 to 65 ml/100 gm

    Loss on Drying at 105o C

    0.5% Max.

    Specific Gravity

    2.6 to 2.9

    Bulk Density

    0.40 to 0.45 gm/ml

    Average Particle Size

    5 to 7 μm

    Residue on 300 mess

    0.2% Max.

     

     

     

     

     

     

     

     

     

     

     

     

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