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


    PAPER GRADE

    Precipitated Calcium Carbonate is widely used by Paper Industry to manufacture Alkline media paper making. Around 70% of the total output of Precipitated Calcium Carbonate of the world is consumed by Paper Industry alone.

    Precipitated Calcium Carbonate improves the Brightness, Smoothness, and Opacity of Paper. It also increases the ink receptivity. Precipitated Calcium Carbonate reduces the cost of production of Papermaking.

    Specifications Light Paper of 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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