Square hauv qab hnab
Square hauv qab hnab, nws lub ntsiab tivthaiv yog polymer (los yog hluavtaws cob). Txhawm rau txhim kho cov kev ua tau zoo ntawm cov yas, ntau cov ntaub ntawv pabcuam yuav tsum tau ntxiv rau hauv cov khoom siv polymer kom tau raws li ntau yam kev xav tau ntawm cov neeg siv khoom rau cov yas, xws li muab tub lim, plasticizers, lubricants, stabilizers, colorants, thiab lwm yam. kev ua haujlwm.
Square hauv qab hnab, muaj npe rau nws cov square hauv qab, nthuav tawm zoo li lub thawv ntawv, nws qhov ntev, qhov dav thiab qhov siab tuaj yeem sib txawv, thiab nws yog "tsim-ua" raws li qhov loj ntawm cov khoom yuav ntim.
Cov khoom no yog siv dav hauv kev ntim khoom ntawm ntau yam khoom xws li cov rooj tog zaum hauv tsev, cov khoom siv hauv tsev, cov khoom siv hluav taws xob, cov khoom siv kho tshuab, ntim khoom noj, zaub, tshuaj yej thiab tshuaj pleev ib ce.
Cim npe nrov: square hauv qab hnab
