PVC, lossis polyvinyl chloride, yog cov khoom siv niaj hnub no hauv ntau qhov chaw ntawm kev tsim kho thiab kev teeb tsa. Cov kav dej ntawm peb cov kav dej thiab cov kav dej phwj tuaj, cov qauv façade, hauv pem teb thiab qab nthab vaj huam sib luag, thiab ntau ntxiv yog tsim los ntawm nws. Txhawm rau txuas tag nrho cov ntaub ntawv no, xav tau cov kua nplaum zoo thiab txhim khu kev qha.
PVC kua nplaum sib txawv. Tab sis qhov tseem ceeb tshaj plaws nyob rau hauv nws cov yam ntxwv technical yog siab elasticity thiab dej tsis kam. Tseeb tiag, feem ntau nws yuav tsum tau los rau hauv kev sib cuag nrog cov khoom uas nyob rau hauv lub zog ntawm noo noo, los yog tag nrho nyob rau hauv dej. Tsis tas li ntawd, cov nplaum nplaum zoo rau PVC zaj duab xis thiab lwm yam ntaub ntawv yuav tsum tiv taus lub hnub ci, qhov kub thiab txias thiab kev ntxhov siab txhua yam.
Qhov twg PVC nplaum siv
Feem ntau cov kua nplaum PVC yog siv rau kev sib khi ua haujlwm, txhawm rau sau cov kab nrib pleb thiab seams. Nyob rau hauv cov nqe lus ntawm nws zoo, cov khoom no yog ho superior rau pa silicone sealant. Txawm tias tom qab ob peb xyoos, nws yuav tsis tsaus lossis tig daj, tawg lossis tawg. Nyob rau hauv ib lo lus, nws yuav nyob twj ywm li elastic thiab zoo kawg nkaus du zoo li nyob rau hauv thawj hnub tom qab thov.
PVC Vaj Huam Sib Luag Adhesive yog qhov zoo tagnrho rau kev sib txuas ntau yam khoom yas. Nws yog siv nyob rau hauv kev tsim khoom, rau kev sib txuas ceev ntawm PVC qhov chaw los ntawm kev vuam txias. Tsis tas li ntawd, cov khoom tau ua pov thawj nws tus kheej hauv lub neej txhua hnub. Nws tau txais txiaj ntsig tshwj xeeb los ntawm cov kws tshaj lij hauv kev tsim lub qhov rais: tom qab tag nrho, PVC kua nplaum yog qhov zoo tagnrho rau kev txuas ebbs, qhov chaw siab tshaj, qhov muag tsis pom kev thiab lwm yam ntawm cov qhov rais niaj hnub yas.
Lwm daim ntawv thov rau PVC nplaum nplaum muaj xws li kev lag luam kav dej (txuas cov kav dej thiab cov kav dej kav dej, gluing rainwater gutters), nrog rau qee yam ntawm lwm cov qauv niaj hnub uas peb pom nyob rau hauv pem hauv ntej ntawm peb txhua hnub (rau piv txwv, billboards).
YPVC nplaum: daim ntawv thov
Cov kws tshaj lij pom zoo tias ua ntej koj pib koom nrog PVC qhov chaw, ntxuav lawv qhov chaw los ntawm cov khoom tsis huv, degrease nws thiab ziab kom zoo. Ntxiv adhesion (los txhim kho qhov adhesion ntawm cov nplaum rau saum npoo), nws tuaj yeem sanded nrog abrasive ntawv.
Tsis muaj dab tsi nyuaj hauv cov txheej txheem gluing nws tus kheej. Cov kua nplaum rau PVC yog nyem tawm hauv ib txheej nyias ntawm ib qho chaw ua haujlwm, lawv txuas nrog thiab nias rau 2-3 feeb. Rau qhov chaw loj, lub sijhawm no yuav tsum tau nce ntxiv. Tus nqi ntawm cov kua nplaum thaum lub sij hawm thov yuav tsum tsis txhob ntau tshaj qhov tso cai, txwv tsis pub nws tshaj yuav ntws tawm ntawm seam mus rau sab nraud, uas yuav txo tau. Kev sib raug zoo zoo nkauj, thiab ntawm qee cov ntaub ntawv tuaj yeem ua rau lawv puas.
PVC Adhesive Post-Processing and Precautions
Txhua lwm yam haujlwm nrog rau qhov chaw ua haujlwm yuav tsum tau ua tsis pub dhau ib hnub tom qab siv PVC nplaum. Nws raug nquahu kom tiv thaiv qhov chaw ntawm gluing los ntawm tshav ntuj ncaj qha thiab kub siab rau ob peb hnub. Txhua txoj haujlwm nrog cov kua nplaum yuav tsum tau ua nyob rau hauv qhov chaw muaj cua zoo thiab siv cov cuab yeej tiv thaiv tus kheej.
