With proper homopolymerized and copolymerized PP as base resins,EPDM as toughener,self-made inorganic filler A as filler,compounds for bumper with desirable properties were prepared.

• 采用配比合适的均聚和共聚PP为基础树脂，以EPDM为增韧剂，自制无机填充料A为填料制得性能符合要求的保险杠料。