● CarboSil ● Xytron ● Elasthane ● PurSil ● Arnite ● Akulon ● Novamid ● Stanyl ● Bionate ● Arnitel ● BioSpan ● Somos
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pp3015是均聚还是共聚 pp5090t物性表 价格 GP5250 2426k价格 SC-1100R 乐天pc1100