... : Sb2O3 99.90,Sb2O3 99.80, Sb2O3 99.50,Sb2O3 99.0. It is mainly used as a flame-retardants syneraist in the flame-retardant agents of ... plastic ,rosin ,rubber ,paint ,textile ,in order to intensify flame-retardant effects .It is also widely use in the industies such ...