... .0Tint,%100±5Usage: widely used in colored cement, building materials, rubber, paint and other fields.Storage conditions: ... store in a dry place, avoid damp,high temperature,stong light and isolate the acid-base ... can mix different items in one container.2.Quality control,before shipment,free sample for test after ... photo before shipmentany question, welcome here! (high quality) Iron red oxide 130.190