Chidziwitso choyambirira cha filimu yapulasitiki

Mu NATIONAL PACKAGING GENERAL mawu (GB4122-83), tanthawuzo la ma CD osinthika ndi: kunyamula kosinthika kumatanthawuza kulongedza komwe kungasinthe mawonekedwe a chidebe pambuyo podzaza kapena kuchotsa zomwe zili mkati. Mitundu yonse ya matumba, mabokosi, ma seti ndi maenvulopu opangidwa ndi mapepala, zojambulazo za aluminiyamu, CHIKWANGWANI, filimu yapulasitiki ndi ma complexes awo ndi ma CD osinthika. Nthawi zambiri, mapulasitiki okhala ndi makulidwe osakwana 0.25mm amatchedwa mafilimu. Filimu ya pulasitiki ndi yowonekera, yosinthika, yokhala ndi madzi abwino, kukana chinyezi ndi kukana mpweya, mphamvu zamakina zabwino, katundu wokhazikika wa mankhwala, kukana mafuta, zosavuta kusindikiza malemba abwino, akhoza kutentha chikwama chosindikizira. Imatha kukwaniritsa zofunikira zamapaketi amitundu yonse yazinthu, imagwiritsidwa ntchito pakuyika zinthu zosavuta kusungira, zosavuta kuziyika zosavuta, zofunikira zatsiku ndi tsiku, sitolo yaing'ono yamapaketi abwino. Guangdong Danqing Printing Co., Ltd ali ndi zaka 30 akugwira ntchito yopanga ma CD osinthika, makamaka kupanga thumba la spout, thumba la zipper, filimu ya pulasitiki ndi zina zotero; Perekani zosindikiza zokongola, zimatha kusindikiza mpaka mitundu 13.

Kusindikiza kwa ma CD osinthika kutengera filimu ya pulasitiki kumagwira ntchito yofunika kwambiri pakusindikiza. Malinga ndi ziwerengero, kuyambira 1980, ma CD apulasitiki m'maiko ena apamwamba padziko lapansi amawerengera 32.5% ~ 44% ya zosindikiza zonse.

Nthawi zambiri, chifukwa filimu imodzi yokha si yabwino kuteteza mkati, kotero kuposa mitundu iwiri ya mafilimu ntchito pawiri kukhala wosanjikiza filimu gulu, kukwaniritsa zofunika kusunga chakudya, aseptic ma CD luso. Kusankhidwa kwa zinthu zakunja kwa filimu yamagulu sikophweka kukanda, kuvala, kuyang'ana bwino, kusindikiza kwabwino kwa zinthuzo, monga: pepala, cellophane, polypropylene yolimba, polyester, etc.; Wosanjikiza wapakati ndi chotchinga polima, monga: zojambulazo zotayidwa, zotayidwa nthunzi, polyvinyl diazene magetsi amkati wosanjikiza zipangizo zambiri amasankhidwa sanali poizoni, zoipa polyethylene ndi zina thermoplastic utomoni.