唐塔飞燕：PP颗粒、PS颗粒生产：原材料、占比及工艺流程

2026-06-01 网络整理佚名1050

Key Point:聚丙烯（PP）颗粒、聚苯乙烯（PS）颗粒生产：原材料、占比及工艺流程分为原生新料颗粒（石化聚合生产）和再生回收颗粒（废旧塑料再造粒，市场主流中小产能）两类

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