Name: Iron oxide black
CAS: 1317-61-9
Molecular Formula: Fe3O4
Molecular Weight: 231.54
Melting Point: 1538º C
Density: 5.1
Crystal Structure: Cubic

Specification:
Fe3O4 content: 95%min
Volatiles under1050C: 1.0max
Water soluble matter: 0.5%max
Residue on sieve (45p/m)mesh: 0.4%max
PH of aqueous eztract solution: 5-8
Absorb oil mete: 15-25 g/100g
Color(Compared with standard): Similar abit lower
Tinting strength(Compared with stamdard): 100%min

Packing: 25KG/bag