FR-245 is one kind of accession,content of Br,N2,what’s more, bearing transfer flame retardant,excellent heat-stability,cooperation with Br,N2,restrining smoke,small additive usage, have little effect on radix  material, endure aging, lightfastness,which overcome the disadvantage of disreclaim,is environment-friendly,new flame retardant. It make up the DBDPO’S weak light and yellow character, is instead of DBDPO.It’s application in       ABS,HIPS,PC,PC.ABS,etc.