Unmass Group (china) Co.,Ltd.

Hebei, China

Brand of" UNMASS® " of factory pigment, have production experience for more than 20 years. Producing the iron oxide pigment among them has specialty, our factory combines the advanced technology both at home and abroad constantly, Study constantly, innovate constantly, make the product quality of our factory improve constantly. It is recognized as an exporter of 100% production of Iron oxide and concrete colors such as red oxide to over 40 countries worldwide. Iron oxide materials yield pigments that are nontoxic, nonbleeding, weather resistant, and lightfast. Natural iron oxides include a combination of one or more ferrous or ferric oxides, and impurities, such as manganese, clay, or organics. Synthetic iron oxides can be produced in various ways, including thermal decomposition of iron salts, such as ferrous sulfate, to produce reds; precipitation to produce yellows, reds, browns, and blacks (e.g., the Penniman- Zoph process); and reduction of organic compounds by iron (e.g., nitrobenzene reduced to aniline in the presence of particular chemicals) to produce yellows and blacks. Reds can be produced by calcining either yellow or blacks. Detailed technical data can available for customers reference upon request.

Detailed technical data can available for customers reference upon request.

Detailed technical data can available for customers reference upon request.