Iron Oxide Pigment, Brand Name : BOLYCOLOR

We bolycolor hot-sell series synthetise iron oxide pigments cover iron oxide red, yellow, black, brown, orange, green and blue series etc and many different grades for each color, chemicals index as:
iron oxide red cas no.1309-37-1 & einecs no. 215-168-2 ;
iron oxide black cas no.1317-61-9 & einecs no. 215-277-5 ;
iron oxide yellow cas no.20344-49-4 & einecs no. 243-746-4 ;
iron oxide brown, iron oxide orange, compound ferric green, blue, etc.
products applications : they can be applied to the colorized concrete of building material, the colorized additives of bitumen emulsions, the redgrayyellowgreen colorant of tile and bricks, the redgrayyellowgreen colorant of plastic industry, the redgrayyellowgreen colorant of oil paints and the one kind of basic color material for ceramic glaze,the redgrayyellowgreen colorant of making paper, and so on.
We bolycolor international limited (kindly plz search bolycolor from google, yahoo, bing, aol etc ) have a history of 19 years producing the pigments of iron oxide red, black, yellow, green, brown and orange, with high quality. 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). The chroma of our black iron oxide can be divided into: 795, 780, 722, 722b, 360, 340, 330, 318 etc ( the intensity from strong to feebleness ).