CAS number:            1309-37-1; 1317-60-8; 1332-37-2

EINECS number:         215-168-2; 215-275-4; 215-570-8

The molecular formula: Fe2O3, Fe3O4

Density:                               5.24g/cm3

Melting point:                     1538

1.Specifications:

ITEM
 Red
 Yellow
 Brown
 Black
 Blue
 
Appearance
 Red powder
 Yellow powder
 Brown powder
 Black powder
 Blue powder
 
Content
 96% min
 86% min
 92%min
 93%min
 95%min
 
Tinting Strength
 95-105%
 95-105%
 95-105%
 95-105%
 95-105%
 
Volatile Matter
 1.0% max
 1.0% max
 1.0% max
 1.0% max
 1.0% max
 
Water Soluble
 0.3%max
 0.3%max
 0.5%max
 0.5%max
 0.5%max
 
Residue On Sieve
 0.2%max
 0.3%max
 0.3%max
 0.3%max
 0.3%max
 
pH Value
 3.5-8
 3.5-7
 4-7
 5-7
 3.5-7
 
Oil absorption
 15-25%
 25-35%
 20-30%
 15-25%
 15-25%
 
2.Product usage:

Mainly used for magnetic materials, pigment, burnishing, catalyst etc, also used in telecommunications, instrument industry.

3.Package:

Red/green/black/brown/blue: 25kg/bag, 23MT/20'FCL

Yellow:   25kg/bag,13MT/20'FCL