Qhov zoo ntawm Shrink Film

Shrink zaj duab xis, ua los ntawm polyolefin (PE, PP) raw cov ntaub ntawv, muaj cov nqi tseem ceeb -cov txiaj ntsig zoo hauv kev lag luam ntim vim nws cov nqi ruaj khov (30%-50% qis dua lwm cov ntaub ntawv) thiab kev ua haujlwm zoo heev (tsim ceev ntawm 100-200 daim / feeb). Nws cov cua sov shrinkage tus nqi (txog 80%) thiab puncture kuj (Ntau tshaj los yog sib npaug rau 40N / 15μm) tso cai rau ib tug nruj haum rau cov khoom, muab plua plav pov thawj, waterproof, thiab kev tiv thaiv-resistant, ua rau nws tshwj xeeb tshaj yog haum rau cov khoom noj (oxygen barrier tsawg dua los yog sib npaug li 5cm³ / m²·24h) thiab cov khoom siv hluav taws xob. Ib puag ncig tus phooj ywg biodegradable shrink zaj duab xis (biodegradability Ntau dua lossis sib npaug li 90%) ua kom zoo dua nrog cov qauv ntim ntsuab, xws li CO₂ emission txo cov kev cai. (Zhejiang)