2.2 缩略语
BOPP(biaxially orientation polypropylene) 双向拉伸聚丙烯
BOPET(biaxially orientation polyethylene terephthalate) 双向拉伸聚酯
BOPA(biaxially orientation polyamide) 双向拉伸聚酰胺,又称双向拉伸尼龙
MDO(machine drection orienter) 纵向拉伸
TDO(transverse direction orienter) 横向拉伸