Yas yog ib lo lus dav heev. Piv txwv li, cov khoom ua los ntawm PVC, PP, ABS, PA, thiab PC yog hu ua yas, tab sis yog PVC yas pellets yas? Obviously nws belongs rau thawj qeb ntawm plastics. Qhov sib txawv ntawm PVC yas pellets thiab yas yog yooj yim heev. Qhov sib txawv yog qhov kev sib raug zoo ntawm qeb thib ib thiab qeb thib ob. Raws li qhov hardness, PVC yas pellets tuaj yeem muab faib ua ob hom: cov ntaub ntawv nyuaj thiab cov ntaub ntawv mos; Raws li kev tsim thiab kev siv tshuab, muaj cov ntaub ntawv extrusion thiab txhaj tshuaj yas. Tsis tas li ntawd, raws li kev ua tau zoo ntawm cov khoom sib txawv, nws tau muab faib ua cov kab mob khaub thuas, tshuaj tua kab mob thiab cov kab mob mildew, kev tsiv teb tsaws, thiab lwm yam. PVC yas pellets yog cov khoom qub tshaj plaws hauv kev lag luam yas, thiab tag nrho cov khoom yas yog tsim thiab ua tiav los ntawm PVC yas pellets.
