Ethylene propylene random copolymer(PP-R)is a thermoplastic with many desirable properties including low cost,good processability and balanced mechanical properties.

• 乙烯丙烯无规共聚聚丙烯(PP-R)因具有均衡的力学性能及良好的综合性能,成为近年通用聚烯烃材料研究的热点。