SLFR -7 DOPO

9,10-Dihydro-9-oxa-10-phosphaphenanthrene-10-oxide OR 3,4,5,6-dibenzo-1,2-oxaphosphane-2-Oxide. Acts as a flame retardant. It can be used as a substitute for halogenated flame retarder or raw material for the halogen free flame retarder. It has great thermal resistance. It is mainly used for flame retardant epoxy resin for PCB, color protector for plastics, fire retardant polyester fiber fabrics.