??鋁箔袋常見結構有(you):PET/PA/PE或者CPPPET/AL/CPPPA/AL/CPPPET/PA0/AL/CPP基(ji)本特點有(you):其(qi)中PE適合低溫(wen)的使(shi)(shi)用,CPP適合高溫(wen)的蒸煮使(shi)(shi)PA是為(wei)了(le)增(zeng)加物理強度,耐穿刺(ci)性能,AL鋁箔是為(wei)了(le)增(zeng)加阻隔性能,奶茶封(feng)口機(ji)遮(zhe)光一般作為(wei)中間層PET,增(zeng)加機(ji)械(xie)強度,挺括。玩具吸塑封(feng)口機(ji)然(ran)后根據(ju)需求(qiu),組(zu)合,各種性能,也有(you)透明(ming)的,為(wei)了(le)增(zeng)加阻隔性
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