Cov ntaub ntawv ntawm yas steel rooj thiab cov khoom siv lub qhov rai tsuas yog suav nrog polyvinyl chloride (PVC) Resin. PVC Resin yog cov khoom siv tseem ceeb ntawm cov rooj hlau yas thiab lub qhov rais. Los ntawm kev ntxiv cov ntaub ntawv qhia xws li stabilizers stabilizers, colorants, nws yog tsim rau hauv qhov rooj thiab lub qhov rais thav duab thiab supraviolet los ntawm extrusion moulding, txiav, vuam los yog ntsia hlau. Txhawm rau txhim kho cov rigidity ntawm profile, steel hauv ob sab phlu (rov hais dua pob txha) yuav tsum tau ntxiv rau kab noj hniav uas ntau tshaj qhov ntev.
Cov ntaub ntawv tshwj xeeb ntawm yas steel rooj thiab khoom siv fais
Lub ntsiab tivthaiv ntawm yas steel qhov rooj thiab qhov rai profiles yog polyvinyl chloride, pypium dioxate, Accium carbonate, Ac, stabilizers thiab cov ultraviolet nqus. Cov cheebtsam no muab cov khoom siv hlau yas yas thiab lub qhov rai rwb thaiv tsev zoo, xws li rwb thaiv tsev thermal, lub suab zoo rwb thaiv tsev, thiab kev laus tiv thaiv.