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Yuav ua li cas Ua PVC Ua Npuas Ncauj Board Npog Ua Ke Siab

Mar 01, 2020

ACR-type processing aids muaj cov txiaj ntsig los txhawb kev ua kom tiav ntawm PVC, txhim kho qhov chaw ua tiav, txhim kho lub elasticity ntawm yaj, thiab txhim kho lub elongation thiab lub zog ntawm yaj. Nws tseem muaj txiaj ntsig zoo rau npog huab cua npuas thiab tiv thaiv kev vau ntawm cov kab mob. Lub phaus molecular thiab ntau npaum li cas ntawm cov ntawv foaming tau muaj qhov cuam tshuam loj ntawm qhov ntom ntawm cov ntawv foamed: raws li cov phaus molecular nce, lub zog yaj ntawm PVC tseem yuav nce ntxiv, thiab tus ceev ntawm daim ntawv foamed tuaj yeem ua qis dua, thiab cov cov kev cai tswj hwm tuaj yeem nce ntxiv. Tus nqi muaj tib lub txiaj ntsig. Txawm li cas los xij, cov nyhuv no tsis muaj txoj kab sib txuas. Txuas ntxiv nce rau hauv cov phaus nyhav los sis nce hauv kev siv tsis muaj kev cuam tshuam ntawm kev txo qis, thiab qhov ntom yuav maj mam dhau tas li. Nco ntsoov tias cov viscosity ntawm cov siv uas siv yuav tsum tsis txhob siab dhau. Txhawm rau ua kom yooj yim ntawm kev tawg thiab nthuav tawm ntawm npuas, lub siab ntawm tag nrho cov kab-hla ntawm daim ntawv yuav tsum ua kom sib haum, uas yuav tsum muaj lub siab yaj siab.

Kanban nto, yog tias nws yog qhov zoo ua npuas PVC ua npuas lub rooj tsavxwm, lub tshuab kev ntxhib los mos tsis pom tseeb, lub ntsej muag xim tsis muaj xim tsis sib txawv, milky dawb, qhov saum npoo kuj tsis muaj qhov quav, tsis muaj qhov pom tseeb me me, tsis muaj pinholes, tsis muaj qhov ntxhib. , tsis muaj khoom tawg. Nco tseg: Cov paib tsis-mis dawb ua npuas lub rooj tsavxwm tsis yog pawg phooj ywg ib puag ncig, thiab pawg thawj coj ib puag ncig tsis muaj txhuas (cov ntsiab lus tsawg dua li European thiab Asmeskas cov qauv). Yog tias koj kov lub PVC ua npuas pawg nrog koj txhais tes, yog tias nws xav tias du thiab tiaj, nws txhais tau tias nws yog qhov zoo. Qhov kev cuam tshuam nyob rau sab ntawm lub rooj tsav yuav tsum yog tiaj, nrog cov hws zoo, tsis muaj qhov ntxhib ntxoo, tsis muaj pinholes, tsis muaj muv, tsis muaj hmoov ploj, thiab cov xaim qhib yuav poob tawm yam tsis muaj bouncing. Nco tseg: Yog tias qhov xwm txheej saum toj no tshwm sim, koj yuav tsum them sai sai rau nws, thiab cov txheej txheem txuas ntxiv ntawm cov khoom tiav yog qhov teeb meem.