密度收缩率材料标称[g/cm3][%]聚苯乙烯PS1.050.3-0.6聚苯乙烯,中.高冲0.5-0.6HI-PS1.05击性聚苯乙烯-丙烯晴SAN1.080.5-0.7丙烯晴-丁二烯-苯ABS1.060.4-0.7乙烯苯烯晴-苯乙烯-丙ASA1.070.4-0.6烯酸低密度聚乙烯LDPE0.9541.5-4.0高密度聚乙烯HDPE0.921.5-3.6聚丙烯PP0.9151.0-2.5聚本烯-GRPPGR1.150.5-1.2聚甲基戊烯PMP0.831.5-3.0软质聚氯乙烯PVC-soft1.381.0-2.5硬质聚氯乙烯PVC-0.1-0.61.38rigid聚氟亚乙烯PVDF1.23.0-6.0聚四...