Description & Applications
calcium magnesium carbonate: – Not for medicinal use.
HD1 is a fine particle size, high brightness calcium magnesium carbonate derived from pure dolomite. It is characterized by its high whiteness and high purity.
Chemical Composition and Physical Properties
Particle Size Distribution by MALVERN (MASTERSIZER 3000) on normal product:
CHEMICAL COMPOSITION
| Si02 |
2.65% |
| AL203 |
0.07% |
| Fe2O3 |
0.05 % |
| Tio2 |
0.04 % |
| Cao |
29.75 % |
| MgO |
20.66 % |
| K2o |
0.08 % |
| Si02 |
2.65% |
| Na2o |
0.01 % |
| SO3 |
0.54 % |
| L.O.I |
45.75% |
Physical Properties
| Brightness (RY) (DIN 6174) |
88 % Min. |
| Whiteness (DIN 6174) |
89.5 % Min. |
| Color |
White yellowish |
| Yellowness index |
5.6 Max. |
| Hardness (Mohs) |
4 – 3.5 Moh´s |
| Item codes |
HD1 |
Particles < 2 μm |
19 ± 2 % |
Main Particle Size (D50) |
8.9 ±0.2 μm |
Top Cut (D98) |
40 ± 1.0 μm |
