1.Antimony trioxide(Sb2O3%99.50 ,99.80 ,99 ,9) , 2.white fine powder 3. manufactured by YIYANG HUACHANG INDUSTRY We are the world's only producer of all catalysts, with a history of 40 years. Widely applied as anti-flaming agent in PVC, PP, PE, PS, ABS, PU and other plastic, with high anti-flaming efficiency, producing less effect on mechanic performance of basic materials( e.g. fire control ...