PRODUCTS
Ultra-fine heavy calcium carbonate
Physical and chemical properties: white powder, odorless, tasteless, relative density of 2.45-2.50,grain size of 1250 mesh. Stabling in the air, insoluble in water practically, insoluble inalcohol.
Technical index
Project | Index | Project | index |
Calcium carbonate content | ≥98.5 | D90 size,um | 10.50 |
Whiteness | ≥96 | Median size, um | 3.21 |
Moisture | ≤0.3 | Cutting diameter,um | 22.4 |
SiO2,% | ≤0.02 | Specific surface area,m2 | 4.49 |
Fe,% | ≤0.01 | True specific weight, g/ml | 2.7 |
Insoluble HCL, % | ≤0.10 | Bulk specific weight, g/ml | 1.7 |
PH vaule | 8-9 | Settlement volume, ml/g | 18 |
Vloatile at 105℃ | ≤0.4 | Oil absorption, ml/100g | 20 |
Ignition loss ,% | ≤43.4 | Water absorption, ml/100g | 0.49 |
Expansion coefficient | 9×10-6 | Dop absorption, ml/100g | 25 |
Mosh hardness | 3.0 |
Product usage
Widely used in paint, print, coating, plastic, rubber, ceramic ,glass , electronic, cosmetic , medicine, food, etc.
Packing
25kg/pack, the textile bag lined with plastic bag, also can pack based on customer requirements.
