Specifications
1.white calcium carbonate powder2.size:325mesh,400mesh,800mesh,1000mesh,1250mesh and so on
1.Calcium Carbonate
1)Light Calcium Carbonate powder
Size:800-2000mesh Whiteness:92% Above Usage: |
For filling compound for various plastic, natural or synthetic rubber products, excess weld metal & paper making; colorant for paint & dope, additive for household chemical, medicine & edible mushroom. |
2)Heavy Calcium Carbonate powder
Size:325mesh,400mesh,800mesh,1000mesh,1250mesh and so on Usage:the production of calcium chloride anhydrous sodium dichromate,cement, etc. Whiteness:89-93%
3) Activated Calcium Carbonate Used as a reinforcing agent for rubber, plastics and other products can improve tensile strength , abrasion resistance , foam rubber foam evenly . The activity of calcium carbonate also can be used as a filler of the inks and coatings .
2.Packing |
In 25kgs or 50kgs woven bag with plastic liner. (Or up to request) |
3.Quality standard |
Accordance with State Chemical Industry Standard HG2226-91 |
Item | Premium grade | A grade | |
CaCO3 % |
| 98.0 | 97.0 |
PH value (10% suspension) |
| 8.0~10.0 | 8.0~10.5 |
Volatile matter (105oC) |
| 0.40 | 0.70 |
HCL insoluble matter % |
| 0.10 | 0.20 |
Depression volume (ml/g) |
| 2.8 | 2.6 |
Fe content % |
| 0.08 | 0.10 |
Mn content content % |
| 0.006 | 0.008 |
Residue 125μm % |
| 0.005 | 0.010 |
Residue 45μm % |
| 0.30 | 0.40 |
Whiteness |
| 90.0 | 90.0 |
Appearance |
| White powder | White powder |
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