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Clays / Weighting Materials

Calcium Carbonate

Calcium  Carbonate
Calcium  Carbonate
Calcium  Carbonate
Calcium  Carbonate
Calcium  Carbonate

calcium carbonate white powder purity 98%min packing:25kg/woven bag,17tonne/20ft container deliveery time:7days after deposit

PRODUCT DESCRIPTION

 

Calcium Carbonate purity 98%
Whiteness 93%min
white powder
It is good at painting,cable,paper,rubber industrial and so on.

 

Calcium Carbonate

Physical and chemical properties:

Molecular formula: CACO3

Molecular weight: 100.09

Density: 2.70-2.95
White  crystal or powder

Its difficult solubilize in water and release CO2 in acid.

 

Method of manufacture:

Ca(OH)2+CO2=CaCO3+H2O
Ca(OH)2+Na2CO3=CaCO3+2NaOH

 

Use:

Used in made cement, ceramic, lime, CO2,chalk, artificial stone, and can be used as pigment, filler, mixture medium, rub agent, sugar clarifying agent; also it can be used as filler of rubberplastic; as feed additives, vector of veterinary drugs.

In medicine, it can be used to made acid drugs.

 

Item: precipitate light-CACO3 325mesh

 

Item

HG/T2226-2000

 

Excellent

 

First grade

Good

 

Result

Calcium carbonate(%≥)

98.0

97.0

96.0

98.5

Hydrochloric acid can not be objects (%≤)

0.10

 

0.20

 

0.30

 

0.20

Fe (%≤)

0.08

0.10

0.12

0.08

Mn (%≤)

0.006

0.008

0.010

0.006

Heavy metal total (%≤)

20

20

20

pass

PHPH value

9.0-10.0

9.0-10.5

9.0-11.0

10.5

Whiteness ≥

90.0

90.0

90.0

92.7

Appearance

White powder