... Proprietary halogen-free, phosphorus-based flame retardant. BDP (flame retardant ABS) Description Proprietary halogen-free, phosphorus-based flame retardant. ApplicationsBDP flame ... provides a halogen-free solution for flame retardingPC/ABS, PPO/HIPS and other polymers. PropertiesColour ,APHA <40N=1 proportion >85%Acid Number ... loss, C° 40350% weight loss, C° 458 BDP (flame retardant ABS)