Chidziwitso choyambira cha filimu ya pulasitiki

Mu mawu a NATIONAL PACKAGING GENERAL (GB4122-83), tanthauzo la ma CD osinthasintha ndi: ma CD osinthasintha amatanthauza ma CD omwe angasinthe mawonekedwe a chidebecho mutadzaza kapena kuchotsa zomwe zili mkati. Mitundu yonse ya matumba, mabokosi, ma envulopu opangidwa ndi pepala, zojambulazo za aluminiyamu, ulusi, filimu ya pulasitiki ndi zovuta zake ndi ma CD osinthasintha. Nthawi zambiri, mapulasitiki okhala ndi makulidwe osakwana 0.25mm amatchedwa mafilimu. Filimu ya pulasitiki ndi yowonekera bwino, yosinthasintha, yolimba bwino ndi madzi, yolimba komanso yolimba ndi mpweya, mphamvu yabwino yamakina, mphamvu zokhazikika za mankhwala, yolimba mafuta, yosavuta kusindikiza, imatha kutentha thumba losindikizira. Imatha kukwaniritsa zofunikira pa ma CD amitundu yonse, imagwiritsidwa ntchito pokonza zosavuta kusunga, chakudya chosavuta kuyika, zofunikira za tsiku ndi tsiku, zinthu zazing'ono zama phukusi akuluakulu. Guangdong Danqing Printing Co., Ltd ili ndi zaka 30 zokumana nazo popanga ma CD osinthasintha, makamaka kupanga thumba la spout, thumba la zipper loyimirira, filimu ya pulasitiki ndi zina zotero; Imapereka kusindikiza kokongola, imatha kusindikiza mitundu 13.

Kusindikiza ma CD osinthika pogwiritsa ntchito filimu ya pulasitiki kumachita gawo lofunika kwambiri pakusindikiza ma CD. Malinga ndi ziwerengero, kuyambira 1980, ma CD a pulasitiki m'maiko ena otukuka padziko lonse lapansi amafika pa 32.5% mpaka 44% ya makina onse osindikizira ma CD.

Kawirikawiri, chifukwa filimu imodzi si yoyenera kuteteza mkati, mitundu yoposa iwiri ya mafilimu imagwiritsidwa ntchito kuphatikiza filimu yophatikizana, kuti ikwaniritse zofunikira pakusunga chakudya, ukadaulo wa aseptic packaging. Kusankha zinthu zakunja za filimu yophatikizana sikophweka kukanda, kuvala, magwiridwe antchito abwino a kuwala, magwiridwe antchito abwino osindikizira azinthuzo, monga: pepala, cellophane, polypropylene yopapatiza, polyester, ndi zina zotero; Gawo lapakati ndi polima yotchinga, monga: zojambulazo za aluminiyamu, aluminiyamu yophikidwa ndi nthunzi, polyvinyl diazene yamagetsi yamkati mwa zinthu nthawi zambiri imasankhidwa yopanda poizoni, polyethylene yopanda kukoma ndi utomoni wina wa thermoplastic.