??鋁箔(bo)袋(dai)常(chang)見結構有(you):PET/PA/PE或(huo)者CPPPET/AL/CPPPA/AL/CPPPET/PA0/AL/CPP基本特點有(you):其中(zhong)PE適(shi)合(he)低溫的(de)使(shi)(shi)用(yong),CPP適(shi)合(he)高溫的(de)蒸煮使(shi)(shi)PA是為(wei)了增加物理強度,耐穿刺性(xing)(xing)能(neng),AL鋁(lv)箔是為(wei)了增加阻隔性(xing)(xing)能(neng),奶茶封(feng)口機(ji)遮光一般作為(wei)中(zhong)間層PET,增加機(ji)械強度,挺括。玩具吸(xi)塑封(feng)口機(ji)然(ran)后根(gen)據需求,組(zu)合(he),各種性(xing)(xing)能(neng),也(ye)有(you)透明(ming)的(de),為(wei)了增加阻隔性(xing)(xing)
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