Koj yuav thov li cas PVC cov kab xev npuas?

Hauv kev lag luam thiab kev siv ua npuas ncauj siv tau dav hauv cov khoom siv hlau, cov khoom siv hluav taws xob, cov khoom siv hluav taws xob, hauv qab no yog qhov tseem ceeb tshaj plaws thiab kev ceev faj ntawm PVC ua npuas ncauj xev .

Thawj kauj ruam yog kev kho deg . ua ntej cov roj ua kom tsis txhob muaj plua plav, noo noo lossis roj stains uas tuaj yeem cuam tshuam rau daim kab xev pib adhesion .

Qhov thib ob kauj ruam yog ntsuas thiab tso qoob loo . raws li qhov kev xev ua npuas dej ua ntej, yog li tsis cuam tshuam rau nws lub siab.

Qhov thib peb kauj ruam yog mus tev tawm ntawm cov kab ntawv thiab muab cov ntaub qhwv rau cov kab xev maj mam txuas, uas yuav cuam tshuam rau cov khaub ncaws sib xyaw ua ke, uas yuav cuam tshuam rau kev sib foob cov nyhuv.

Cov kauj ruam thib plaub yog mus thov siab thiab txhim kho . Nws tuaj yeem pom zoo kom yob nws ib zaug hauv kev taw qhia ntawm daim kab xev.

Thaum kawg, nws yuav tsum raug sau tseg tias kev tsim kho qhov kub yog qhov zoo tshaj plaws ntawm 15 degree, thiab zam kev ua haujlwm nyob rau hauv qhov chaw txaus ntshai lossis siab kawg li kev ua tau zoo.

Kev siv cov kab xev kom raug yuav tsis tsuas yog nws lub neej pabcuam, tab sis kuj tseem txhim kho cov kev tsim kho thiab qhov tseem ceeb rau kev ua tiav kev ua tiav zoo thiab txhim khu kev qha}