塑料及樹(shù)脂縮寫(xiě)代號(hào)H

HDPE 高密度聚乙烯 High density polyethylene
    HIPS 高沖擊強(qiáng)度聚苯乙烯 High impact polyethylene
    HMWPE 高分子量聚乙烯 High Molecular Weight Polyethylene
    HR 丁基橡膠(參見(jiàn)Butyl,PIBI) Brtyl Rubber,Isprene Isobutylene Copolymer(ASTM)