Item	Iron Oxide Red	Iron oxide  Green	Iron oxide Brown	Iron Oxide Black	Iron oxide Yellow	Iron Oxide Blue
Fe2O3/Fe3O4≥%	96		92	93	86
105°C Moisture ≤%	1.0	1.0	1.0	1.0	1.0	1.0
Water soluble salts ≤%	0.3	0.5	0.5	0.5	0.3	0.5
Residue on 45um ≤%	0.2	0.3	0.30	0.3	0.3	0.3
PH-value	3.5-8	3--7	4-7	5-8	3.5-7	3-7
Oil absorption	15-25	15--25	20-30	12-25	25-35	15--20
Tinting strength %	95-105	95--105	95-105	95-105	95-105	95-105
Density approx / cm3	0.7-1.1	0.4—0.8	0.8-1.3	0.9-1.2	0.4-0.6	0.4—0.8

Usage: Construction, Coating & Paint, Ink, Rubber, Plastic, etc.