... black or yellow powder .Application: Construction, Coating & Paint, Ink, Rubber, Plastic, etc .Brand:JINHENG.Specification: Itemsiron oxidered 130iron ... printing ink, porcelain, colour asphaltum, paper dyes,ect.2)The construction material including metope, ground and marble. and the painting material ... 3)Plastic including thermoset, thermoplasticity plastic coloring, and plastic racetrack,ect. Janice