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ProductsGround calcium carbonate
Chemical name: Calcium carbonate
Molecular formula: Caco3
Gray-black powder, odorless, stable in air, not easily absorbent, hardly soluble in hydrated alcohol, slightly soluble in water containing ammonium salts and carbon dioxide, soluble in acidic aqueous solution.
Uses: Widely used in building materials, metallurgical refining, chemical synthesis, artificial floor tiles, soil improvement, as plastic, rubber filler to increase the volume of products, reduce production costs.
Packing: 25KG/bag woven bag or container bag
|
No. |
Item |
Index |
|
|
1 |
Calcium carbonate (dry basis) %≥ |
85.0 |
95.0 |
|
2 |
Magnesium carbonate %≤ |
5.5 |
2.5 |
|
3 |
Hydrochloric acid insoluble matter %≤ |
2.5 |
1.0 |
|
4 |
Fineness (sieve residue through 200 mesh) %≤ |
15 |
5 |
