Kev siv cov yas

Plastics tseem hu ua hluavtaws resins, feem ntau vim tias qhov tseem ceeb tshaj plaws ntawm cov khoom siv hluavtaws yog los ua cov yas.Txhawm rau pab txhawb kev ua haujlwm thiab txhim kho kev ua tau zoo, cov khoom siv ntxiv yog feem ntau ntxiv, thiab qee zaum lawv tau siv ncaj qha rau kev ua thiab kev tsim, yog li lawv feem ntau ua ke nrog cov yas.Cov ntsiab lus ntawm cov khoom siv hluavtaws hauv cov yas yog feem ntau 40 ~ 100%.Vim muaj cov ntsiab lus loj, thiab cov khoom ntawm cov resins feem ntau txiav txim siab cov khoom ntawm cov yas, tib neeg feem ntau suav hais tias cov resin yog ib lub ntsiab lus ntawm cov yas.Piv txwv li, confuse polyvinyl chloride resin nrog polyvinyl chloride yas, phenolic resin thiab phenolic yas.Qhov tseeb, resin thiab yas yog ob lub ntsiab lus sib txawv.Resin yog ib yam ntawm cov khoom siv raw uas tsis tau ua tiav, nws tsis yog siv los ua cov yas, thiab cov txheej txheem, cov nplaum thiab cov khoom siv hluavtaws.Tsuas yog ib feem me me ntawm cov yas uas muaj 100% resin, feem ntau ntawm cov yas yuav tsum tau ntxiv lwm yam khoom ntxiv rau cov khoom tseem ceeb.

Cov khoom siv hluavtaws kuj tseem yog cov khoom siv raw rau kev tsim cov hluavtaws fibers, coatings, adhesives, insulating cov ntaub ntawv, thiab lwm yam. Cov pob zeb siv dav siv kuj siv hluavtaws cob ua cov khoom siv cementitious.Vim tias cov khoom siv hluavtaws muaj qhov ua tau zoo thiab cov nqi zoo piv nrog rau lwm cov ntaub ntawv sib tw, nws daim ntawv thov nkag mus rau txhua yam ntawm kev lag luam hauv tebchaws.Ntim yog lub lag luam loj tshaj plaws rau cov khoom siv hluavtaws, ua raws li cov khoom siv tsim kho.Cov khoom siv hluav taws xob, hluav taws xob thiab tsheb kuj tseem yog qhov tseem ceeb ntawm daim ntawv thov rau cov khoom siv hluavtaws.Lwm lub khw muaj xws li rooj tog, khoom ua si, kev lom zem, khoom siv hauv tsev, thiab khoom siv kho mob.