GY-FR-BE520 Brominated Flame Retardant for Epoxy CAS No. 68928-70-1 GY-FR-BE525 Brominated Epoxy Flame Retardant CAS No. 68928-70-1 GY-FR-P48 Low Temperature Resistant Flame Retardant The Practical Application of Flame Retardant for Epoxy Resin Fire Retardant Epoxy Resin / Epoxy Flame Retardant / Fire Retardant Epoxy Resin The Actual Application of Epoxy Resin Flame Retardant BRE Series Solid Brominated Epoxy Resin Flame Retardant