Tetrabromobisphenol A bis (2,3-dibromopropyl ether):A reactive flame-retardant,mainly used in PP,ABS,AS ... and PVC. Tetrabromobisphenol A bis (2,3-dibromopropyl ether) :Appearance: white powder or particle Bromine content : more than 67 ... ,having a synergistic effect Tetrabromobisphenol A bis (2,3-dibromopropyl ether)