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Properties of Calcium Carbonate powder(CaCO3)
Properties Unit PM-1 PM-1T(coated) PM-2 PM-2T(coated) PM-5 PM-5T(coated) PM-10
Acid Insolubles % below 1.0
Brightness(R457) % above 91 above 90 above 90 above 89 above 89 above 87.5 above 87
DOP Absorption g/100g 31-35 13-18 29-33 11-16 26-30 9-15 24-28
pH - 8.5-9.5
Moisture Content % below 0.2
Bulk Density Loose g/cc 0.4-0.5 0.6-0.7 0.45-0.55 0.65-0.75 0.55-0.65 0.8-0.9 0.7-0.8
Mean Particle Size 1.0-1.8 1.0-1.8 2.0-2.8 2.0-2.8 4.0-4.8 4.0-4.8 9-11
Residue on 325Mesh % below 0.01 below 0.01 below 0.02 below 0.02 below 0.06 below 0.06 below 0.2
below 2 % above 55.0 above 55.0 above 40.0 above 40.0 above 25.0 above 25.0 above 15.0
 
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  1=12,700mesh
2.6=5,000mesh
10=1340mesh
18=800mesh
35=400mesh