Qhov txawv ntawm Pu thiab PVC npuag yog dab tsi?
Jun 01, 2018
Piv txwv li, PVC thiab PU tawv yog feem ntau hu ua tawv tawv los yog tawv tawv. PVC thiab PU yog ob qho tib si polyvinyl chloride (ib yam ntawm cov yas), tab sis kev tsim cov khoom ntawm ob cov khoom no txawv.
PVC tawv nyob rau hauv tus txheej txheem ntawm kev tsim cov yas khoom siv yaj rau hauv ib qho muab tshuaj txhuam, raws li cov kev cai, lub thickness ntawm lub teeb txheej ntawm T / C knitted ntaub qab lub hauv paus, thiab tom qab ntawd ces mus ua npuas dej ntau ua rau, ua kom nws muaj peev xwm hloov tau tsim txhua yam khoom sib txawv thiab sib txawv ntawm cov khoom yooj yim (flexibility), thaum tawm ntawm kev kho deg (dyeing, embossing, extinction, sib tsoo deg polishing, burr, etc., feem ntau raws li cov khoom siv rau cov khoom).
PU tawv ntawm txoj kev tsim muaj ntau txoj hauv PVC tawv, vim yog lub PU thaub qab yog lub zog taum paj zoo cov ntaub qhwv PU khoom, ntxiv rau qhov txheej rau saum ntawm daim ntaub los ntawm lub hauv paus ntaub, tseem muaj ntaub ntim ntaub tuaj yeem muaj nyob hauv nruab nrab, qhov saib yog tsis raws nraim lub neej ntawm daim ntaub. Lub cev nqaij tawv ntawm PU tawv zoo dua li ntawm cov tawv PVC, nrog kev tiv thaiv zoo dua torsion, softness, tensile zog thiab breathability (PVC tsis muaj). Cov qauv ntawm PVC tawv yog tsim los ntawm kub nias ntawm cov hlau qauv rau cov menyuam. Tus qauv ntawm PU tawv yog siv ib hom ntawv zoo nkauj los nias rau saum npoo ntawm tawv tawv, tos kom txias, ces cais daim ntawv tawv thiab ua rau kev kho deg. Tus nqi ntawm PU tawv ntau tshaj ob npaug ntawm PVC tawv, thiab tus nqi ntawm qee PU tawv nrog cov kev cai tshwj xeeb yog 2-3 zaug siab tshaj qhov ntawm PVC tawv. Daim qauv qauv uas yuav tsum tau siv rau PU tawv tsuas siv tau 4-5 zaug, uas yuav tsum tau khawb tam sim ntawd. Kev siv lub sij hawm ntawm cov hniav ntawm cov hniav ntev ntev, yog li tus nqi ntawm cov tawv nqaij PU yog siab tshaj qhov ntawm PVC tawv.
Kuj tseem muaj qee qhov sib txawv ntawm cov ntaub ntawv ntawm ob daim ntawv thov. Nyob rau hauv khau, PVC tawv yog siv rau hauv ob sab lossis qhov tsis nyhav, lossis ua rau menyuam yaus khau. PU tawv tuaj yeem siv rau khau ntawm cov khau lossis cov khoom uas dais. Nyob rau hauv lub hnab ntawm lub hnab ntim, PVC tawv yog tsim dua. Qhov no yog vim hais tias cov khoom nyob rau hauv lub hnab tsis tawm cua sov, tsis zoo li cov taw nyob rau hauv lub khau. Koj tsis tas yuav dais koj qhov nyhav.
Qhov sib txawv ntawm PU thiab PVC kuj yoojyim. Los ntawm cov ces kaum, daim ntaub ntawm PU yog cov thicker dua li cov PVC. PVC muaj nyuab nyuab heev. Koj tuaj yeem hlawv nws nrog hluav taws. PU lem ntau dua li PVC.