Product Name:
1250-mesh super-fine Heavy calcium carbonate
Properties:
1250-mesh super-fine Heavy calcium carbonate, white powder, odorless, odorless. relative density 2.45~2.50, particle size 1200-mesh. Stable in the air, almost insoluble in water, insoluble in alcohols.
|
Specification |
Item |
Index |
Calcium carbonate content, % |
≥98.5 |
Whiteness, % |
≥96 |
Water content, % |
≤0.3 |
Silicon dioxide content, % |
≤0.02 |
Iron content, % |
≤0.01 |
Hcl insolubles, % |
≤0.10 |
pH-value |
8-9 |
105C volatile matter, % |
≤0.4 |
Loss on ignition, % |
43.4 |
Coefficient of linear expansion |
9á10-6 |
D90 particle size, μm |
10.50 |
Mid-position particle size, μm |
3.21 |
Cutting particle size, μm |
22.4 |
specific surface area, m2 |
4.49 |
True specific weight, g/ml |
2.7 |
Apparent density, g/ml |
1.7 |
Subside volume, g/ml |
18 |
Oil absorption, ml/100g |
20 |
Water absorption, ml/100g |
0.49 |
Dop absorption, ml/100g |
25 |
Hardness, Mohs |
3.0 |
|
Use:
widely used in paints, printing ink, coatings, plastic, rubber, ceramics, glass, electronics, cosmetics, pharmacy and food etc.
Packing:
25kg /bag, in woven bag lined with plastic bag, or upon client's request. |
