Taw qhia ntawm PVC cov kav dej

Cov yeeb nkab dej PVC yog ua los ntawm cov dej huv polyvinyl chloride resin ua cov khoom siv tseem ceeb, ntxiv cov stabilizers, lubricants, fillers, colour enhancers, thiab lwm yam, thiab yog extruded los ntawm yas extruder thiab txhaj tshuaj molding tshuab. Nws yog ib hom dej xa dej uas tsim los ntawm cov txheej txheem ntawm shaping, tshuaj xyuas, ntim thiab lwm yam.