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Calcium carbonate
Chemical Name: Calcium carbonate
Synonyms: Calcium Carbonate Light; Calcium Carbonate Heavy;
CAS NO.: 471-34-1
Molecular formula:CaCO3
Specifications:
Item s | Index |
Specific gravity, g/ cm3 | 2.7 min |
Purity as CaCO3 (%) | 90.0min |
Insoluble in HCl,% | 10.0 min |
Soluble in water, % | 0.10min |
Fineness, 76μm,% | 3.0 max |
Application: Widely used in the oil industry in drilling fluids as a formation bridging and filter cake sealing agent and may also be used as a weighting material to increase the density of drilling fluids to control downhole pressures.
Packing: 25kg,50kg/bag .