Iron Oxide Black
Molecular Formula: Fe3O4
Molecular Weight: 231.54
CAS No.: 1309-37-1; 1317-60-8; 1332-37-2
Einces: 215-168-2; 215-275-4; 215-570-8
H. S. CODE: 28211000

Appearance: Black powder
Specification:
Content: 93%
Moisture: 1.0%
Water-soluble Matter: 0.5%
45UM Sieve Residue: 0.3%
PH Value: 5-8
Oil Absorption: 15-25
Tinting strength: 95-105%
Density approx: 4.5-5.0 cm3