A.聚乙烯 B.聚丙烯 C.聚苯乙烯 D.聚氯乙烯
A.120℃ B.140℃ C.170℃ D.190℃
A.-15~-20℃;50%-60% B.-20~-30℃;60%-70% C.-30~-35℃;70%-80% D.-25~-30℃;80%-90%