I. Cov yam ntxwv thiab kev siv ntawm cov yas kaw
Cov ntsaws ruaj ruaj yas muab cov khoom sib khi zoo heev, ua kom tiav cov khoom ntim khoom kom tiv thaiv kev nkag mus ntawm cov khoom txawv teb chaws xws li roj thiab ya raws, yog li tswj xyuas qhov tshiab, tiv thaiv kev ya raws, thiab tiv thaiv corrosion. Cov hnab yas uas muaj xws li cov hnab ntim tshiab tshiab, cov hnab ntim khoom, lub hnab ntim khoom, thiab cov fwj ntim khoom. Cov ntsaws ruaj ruaj no tau siv dav hauv cov khoom noj, tshuaj, thiab kev lag luam tshuaj txhua hnub, ua kom lub neej ntev ntawm cov khoom.
II. Cov yam ntxwv thiab kev siv tsis yog-Plastics kaw
Tsis yog- cov khoom yas kaw feem ntau yog xa mus rau cov khoom yas uas tsis muaj kev sib khi. Cov khoom no feem ntau yog tsim los ntawm cov khoom siv yas ua tiav thiab muaj cov yam ntxwv xws li cov yas zoo, muaj zog toughness, thiab tsis kam mus deformation nyob rau hauv tshav kub. Tsis yog- cov khoom yas kaw kuj tseem siv dav hauv lub neej txhua hnub, xws li khob yas, tais yas, thoob yas, thiab cov rooj zaum yas.
III. Qhov txawv ntawm ob
Qhov sib txawv loj tshaj plaws ntawm cov ntim ntim thiab tsis yog -cov yas kaw yog nyob rau hauv lawv qhov kev siv thawj zaug thiab kev ua haujlwm. Cov yas ntim khoom yog tsim rau cov khoom ntim uas yuav tsum tau ua kom muaj kev ruaj ntseg tshiab, tiv thaiv kev ya raws, thiab tiv thaiv corrosion, thaum tsis yog - cov yas kaw yog tsim rau ntim cov khoom siv hauv tsev thiab lub teeb - thauj khoom. Tsis tas li ntawd, vim tias cov yas ntim yas yuav tsum muaj qee yam kev sib khi, lawv txawv ntawm cov yas uas tsis yog -cov ntaub ntawv ntim rau hauv cov ntsiab lus ntawm cov khoom xaiv thiab kev ua haujlwm.
Hauv cov ntsiab lus, cov yas ntim khoom thiab tsis yog - cov yas ntim khoom yog ob hom khoom yas hauv lub neej txhua hnub, sib txawv ntawm cov khoom xaiv, kev ua, thiab kev siv cov xwm txheej. Kev nkag siab txog qhov sib txawv no yuav pab koj xaiv cov khoom yas zoo tshaj plaws uas haum rau koj cov kev xav tau.
