Polyethylene zaj duab xis yog lub substrate siv rau lub hnab ntim khoom noj thiab ntim khoom noj. Tsis tas li ntawd, PE zaj duab xis feem ntau yog thermoformed thiab tsim rau hauv lub raj mis yas, ntim tshuaj kho mob thiab lwm yam kev siv ntim khoom. PE (polyethylene) yog cov yas ntau tshaj plaws. Nws kuj yog qhov pheej yig tshaj ntawm lawv tag nrho. PE daim ntawv lo muaj qhov tsis tshua muaj neeg kho tshuab thiab tshuaj lom neeg. Lawv siv rau cov ntawv thov luv luv (tsawg dua 6 lub hlis). Feem ntau siv liner rau cov ntawv no yog glassine ntawv.
Cov ntawv lo polyethylene feem ntau yog siv rau cov ntawv loj nrog cov khoom siv ib txwm muaj. Lawv raug suav hais tias yog "yas" lwm txoj rau cov ntawv sau raws li lawv tiv taus dej thiab ya raws. Peb cov khoom muaj xws li ob peb daim ntawv lo polyethylene raws li kev siv.
Daim ntawv thov khoom
Siv dav hauv tshuaj pleev ib ce, tshuaj zawv plaub hau, ntxhua khaub ncaws thiab lwm yam tshuaj txhua hnub nrog cov dej noo thiab extrusion tsis kam yuav tsum tau siv hauv cov txheej txheem siv.
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