PVC Daim Ntawv

Cov ntawv PVC raug faib ua pawg raws li kev ywj pheej, pob tshab thiab kev ua haujlwm kom tau raws li ntau yam kev xav tau. Cov hom ywj pheej (30% -50% plasticizers) yog khoov tau, tsim nyog rau cov foob, cov ntawv tiv dej thiab cov ntim khoom. Cov semi-rigid (5% -30% plasticizers) sib npaug qhov ruaj khov thiab kev ywj pheej, siv rau PVC daim ntaub rooj thiab cov ntaub sab hauv tsheb. Cov ntawv pob tshab haum rau cov zaub mov tso saib thiab cov thawv pleev xim; cov tsis pom kev rau kev kho kom zoo nkauj thiab cov ntawv tshaj tawm.

Kev siv calendering thiab extrusion yog cov txheej txheem tsim khoom tseem ceeb. Calendering tsim cov ntawv ci ntsa iab, cov ntawv tuab kom meej rau kev kho kom zoo nkauj thiab cov ntim khoom pob tshab. Extrusion, nrog kev ua haujlwm siab thiab tus nqi qis, yog qhov zoo tagnrho rau kev tsim cov ntawv dav dav thiab cov ntawv semi-rigid xws li cov ntaub ntawv siv hauv kev tsim kho. Ib qho kev sib tw tseem ceeb hauv ob qho txheej txheem yog qhov kub siab, uas ua rau muaj kev phom sij rau kev ruaj khov ntawm PVC resin.

Cov tshuaj PVC ntshiab yog qhov rhiab heev rau cua sov; qhov kub siab thaum lub sijhawm ua cov khoom yooj yim ua rau puas tsuaj, ua rau muaj xim tsis zoo, tawg yooj yim lossis puas tsuaj ntawm cov qauv. Qhov no tsis tsuas yog cuam tshuam rau qhov zoo ntawm cov khoom xwb tab sis kuj ua rau muaj kev pov tseg thiab cov nqi ntau ntxiv, ua tsis tau raws li qhov xav tau ntawm daim ntawv thov.

Cov stabilizers TopJoymuab cov kev daws teeb meem rau cov teeb meem no. Lawv ua kom ruaj khov los ntawm kev txwv tsis pub PVC puas tsuaj ntawm qhov kub siab, thaum txhim kho cov khoom siv lub zog thiab kev tiv thaiv rau cov yam ntxwv ib puag ncig. Rau cov chaw tsim khoom ntawm PVC daim ntawv, TopJoy cov kev daws teeb meem txhim khu kev qha pab xa cov khoom lag luam zoo sib xws, zoo thoob plaws ntau yam kev siv, txhawb kev sib tw ua lag luam.