1. Cov khoom xyaw sib txawv
Cov pa oxygen barrier hom hauv pem teb cua sov yeeb nkab muaj polyethylene, octene thiab lwm yam khoom, thaum lub hom phiaj hauv pem teb cua sov yeeb nkab muaj polypropylene, polybutene thiab lwm yam khoom.
2. Cov txheej txheem ntau lawm
Oxygen-resistant pem teb cua sov kav yog tsim los ntawm PERT tshwj xeeb raw cov ntaub ntawv thiab lwm yam ntaub ntawv copolymerized, thaum zoo tib yam kav yuav tsum tau mus los ntawm ntau yam cross-linking txheej txheem xws li oxides thiab silanes.
3. Cov haujlwm sib txawv
Cov pa oxygen thaiv hauv pem teb cua sov yeeb nkab yog qhov hloov pauv tau yooj yim, khoov tau yooj yim, thiab muaj ob txoj haujlwm ntawm shading thiab oxygen-thaiv, uas tuaj yeem cais cov pa oxygen thiab tiv thaiv kom tsis txhob nkag mus rau hauv cov kav dej. Cov kav dej zoo tib yam muaj kev cuam tshuam zoo thiab tuaj yeem rov ua dua tshiab.