Iron oxide - Chemicals Products

1)Iron Oxide red and yellow is Fe2O3,iron black is Fe3O4，Iron brown is the mixture of Fe2O3 red and Fe3O4 black.
2)Appearance:non-toxic,colored, powder
3)Spec:
Iron red:Y101，110，120，130，190 Color is dark little by little
Iron yellow:311，313
Iron brown:842，7602，7601
Iron black:722（93%，95%，96%）Fe2O3

iron black,iron red