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Calcium carbonate

Identification:

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 .