Cov zaj duab xis yog tsim los ntawm cov txheej txheem casting, thiab cov khoom siv raw polyethylene yog plasticized thiab extruded los ntawm cov txheej txheem casting, cov ntaub ntawv tau ntxiv ib hom high-end elastomer khoom rau cov qauv tsim, thiab cov txheej txheem tsim tshwj xeeb tau txais los ua cov yeeb yaj kiab. Cov yam ntxwv ntawm qhov hnyav gram tsawg, super mos zoo nkauj, siab elongation tus nqi, siab hydrostatic siab, siab elastic, tawv-phooj ywg, siab barrier kev ua tau zoo, siab impermeability, thiab lwm yam.Cov khoom siv no tuaj yeem hloov kho qhov kev xav ntawm tes, xim thiab luam ntawv xim raws li tus neeg yuav tsum tau ua.