Iron oxide black is one cheap,good quality product application for paint,cement,rubber and so on.

Iron Oxide Black

Chemical Formula: Fe3O4, Color Index: Pigment black 11CAS No.: 1317-61-9 Basic types: 318,330,740,750

Full Shade		ZnO Reduction (1:10)		Full Shade		ZnO Reduction (1:10)
318		318		330		330
740		740		750		750

Iron oxide black