Color Asphalt Pigment Iron Oxide Yellow S31s313 910 sel ...
2022-2-3 · Our iron oxide red pigments CAS No. is 1309-37-1, the iron oxide black pigments is 1317-61-9, and the iron oxide yellow pigments is 20344-49-4, their HS Code is 28211000. The chroma of our Red Iron Oxide can be divided into : 110, 120, 130, 140, 160, 180, 190 etc (from light to fuscous).