Nqus Blister Tshuab Blister Khoom Polyethylene Daim Ntawv Thov Zaj Duab Xis

Tsawg-density polyethylene yog dav siv los ua cov khoom ntim rau ntau yam khoom noj, khaub ncaws, tshuaj, chiv, cov khoom lag luam, thiab cov yeeb yaj kiab ua liaj ua teb. Nws tuaj yeem ua tiav rau hauv cov yeeb yaj kiab sib xyaw los ntawm extrusion rau ntim cov khoom hnyav. Txij li thaum xyoo 1975, cov yeeb yaj kiab polyethylene kuj tau tsim, uas muaj lub zog siab, tsis kub tsis kam, tsis muaj dej tsis kam, thiab zoo luam tawm thiab kev ua haujlwm. Tsis tas li ntawd, polyethylene txheej kuj tuaj yeem raug extruded rau ntawm daim ntawv, aluminium foil lossis lwm yam yas zaj duab xis los ua cov ntaub ntawv polymer.