Cov hnab looj tes PVC thiab hnab looj tes PE feem ntau yog pob tshab, thiab nws yog qhov nyuaj kom paub qhov txawv ntawm lawv thaum hnav ntawm txhais tes. Yog tias koj ua tib zoo saib, koj yuav pom tias lawv txawv heev thiab tuaj yeem txawv ntawm cov ntsiab lus hauv qab no:
Cov khoom siv
Cov hnab looj tes PVC yog ua los ntawm PVC muab cov khoom tso yas, hnab yas, tus ua kom ruaj khov, viscosity reducer, PU thiab dej muag.
PE hnab looj tes yog ua los ntawm qis (LDPE), siab (HDPE) ntom polyethylene thiab kho nrog lwm yam ntxiv.
Yog li, qhov kev xav ntawm qhov kev kov yog txawv, PVC hnab looj tes hloov tau yooj yim, PE hnab looj tes tsis yog, thiab qhov muag muag ntawm PVC hnab looj tes kuj tseem zoo me ntsis. Qhov no kuj yog vim li cas vim li cas cov hnab looj tes PVC muaj lub cim loj thiab cov hnab looj tes PE tsis yog.
Yam ntxwv
Cov hnab looj tes PVC tsis muaj cov khoom ua xua; tsis tshua muaj plua plav tiam, cov ntsiab lus ion tsawg; tsis kam rau qee yam pH; lub zog tensile muaj zog; tus nqi qis, yooj yim thiab xis hnav.
Cov hnab looj tes PE muaj lub siab pob tshab; tsis muaj tshuaj tsis haum, hnab looj tes xoob xoob, yooj yim hnav thiab xis; tsis sib luag lossis tiaj tiaj, qhov xim ci ci zoo nkauj, zoo nkauj tuab yam; lub teeb yuag, zoo tes hnov, tus nqi qis, tsis muaj tshuaj lom thiab tsis muaj mob, muaj kev tiv thaiv kev lag luam thoob ntiaj teb.
Siv
Cov hnab looj tes PVC yog siv dav hauv cov khoom siv hluav taws xob, tshuaj lom neeg, khoom noj, tsev kho mob thiab lwm yam kev lag luam. Tshwj xeeb tshaj yog dav siv hauv kev ua haujlwm ntawm cov tshuab hluav taws xob thiab cov twj siv hluav taws xob kom ncaj.
PE hnab looj tes feem ntau yog siv rau tsev neeg tu, zaub mov, dej huv, kev tiv thaiv kev lag luam thiab ua liaj ua teb, zas plaub hau, ntxuav tu, noj mov, thiab lwm yam, rau cov haujlwm tiv thaiv yooj yim heev.
