Antimony trioxide,Sb2O3,antimony trioxide white powder.Used as a fire retardant in the membranes of plastic ... ,PP ,PE ,PS ,ABS,PU ,etc..2. Used as filling, covering agents and retardants for rubber, ceramics, enamels, fabrics, and fiber ... .,LtdShenyang Five Star Mining Co.,LtdHuachang Mining Limited Antimony white powder(Sb2O3)