Specification :

Red
Fe2O3/ Fe3O4 Content, Min% : 95
Tinting Strength: 95~ 105,
Water Solube Salt, Max % : 0.5,
Residue On sieve, Max % 0.5,
PH Value: 5~ 7,
Oil Absorption, ml/ 100g: 15~ 25,
Moisture and volatiles, 105, Max % : 1.0
Yellow,
Fe2O3/ Fe3O4 Content, Min% : 86
Tinting Strength: 95~ 105,
Water Solube Salt, Max % : 0.5,
Residue On sieve, Max % 0.5,
PH Value: 3.5~ 7,
Oil Absorption, ml/ 100g: 25~ 35,
Moisture and volatiles, 105 Max % : 1.0
Black ,
Fe2O3/ Fe3O4 Content, Min% : 95
Tinting Strength: 95~ 105,
Water Solube Salt, Max % : 0.5,
Residue On sieve, Max % 0.5,
PH Value: 5~ 8,
Oil Absorption, ml/ 100g: 15~ 25,
Moisture and volatiles, 105, Max % : 1.0

1. Properties
1) Brilliantly colored powder
  2) Strong coloring power, excellent coverage.
3) good weatherability.