first grade Dolomite lump
-own mine, lower price -Large quantity dolomite lump -prompt delivery -high output -many years experience
first grade Dolomite lump
Product Advantage:
High volume resistance coefficient
Easy to disperse, improve the disperse of pigment and addition agent.
Low screenings, stable quality
Typical data:
Appearance | High Micro powder/ raw material lump |
Special modified | washed |
ISO whiteness (%) | > 90.0 |
Specific gravity (g/cm3) | 2.6 |
Median particle size(microns) | 0.7 |
+325 Mesh Sieve remaining (%) | < 0.03 |
105°C Free water % | ≤1 |
PH value | 5.0-7.0 |
Chemical Properties
SiO2 | <1 |
Fe2O3 | 0.2 |
CaO | 30 |
MgO | 21 |
moisture | 3% |
whiteness | 60 |
first grade Dolomite lump