Antimony trioxide,Sb2O3,antimony trioxide white powder.Used as a fire retardant in the membranes ... enclosures of electric devices and household electric appliances, such as PVC,PP ,PE ,PS ,ABS,PU ,etc..2. Used ... coating material industry.4. Used as retardants in synthetic resin and papers.5.Used as catalytic agent in organic ... Five Star Mining Co.,LtdHuachang Mining Limited Antimony white powder(Sb2O3)