Lus Txhais ntawm Barrier Film

Ib zaj duab xis barrier yog ib zaj duab xis nyias nrog cov khoom thaiv siab, feem ntau yog tsim los ntawm ntau yam khoom sib txawv laminated ua ke. Nws cov yam ntxwv tseem ceeb yog nws lub peev xwm los tiv thaiv kev nkag mus ntawm ntau yam khoom xws li huab cua, dej vapor, gases, thiab fragrances, yog li ua tiav cov haujlwm xws li tiv thaiv -oxidation, tiv thaiv dej noo, thiab tiv thaiv corrosion.