Yam koj yuav tsum paub txog Polyvinyl Alcohol Cov Khoom: Ib qho Ncauj Lus Yooj Yim

Tag nrho cov polyvinyl alcohol cov khoom uas peb nqa yog tsim los ntawm cov chaw tsim khoom zoo tshaj plaws. Yog li ntawd, txhua yam khoom uas peb muag tau dhau los ntawm cov kev soj ntsuam ua haujlwm thiab thev naus laus zis nruj. Qhov kev mob siab rau qhov zoo no ua rau muaj kev ua tau zoo thiab kev ntseeg tau ntawm cov proxies siv thiab muab rau koj kev thaj yeeb.

Txhua txoj haujlwm yog txawv. Nrog peb cov kev xaiv kws tshaj lij, koj tau txais cov tswv yim uas tsim nyog rau koj vim lawv yog PVA cov khoom uas xav tau rau txoj haujlwm thiab koj yuav tau txais cov txiaj ntsig zoo tshaj plaws.

Peb ua haujlwm kom muaj kev ruaj ntseg los ntawm peb cov khoom PVA. Thaum siv peb cov kev xaiv uas tsis muaj kev phom sij rau ib puag ncig, koj tuaj yeem pab txhawb txoj kev rau ib hnub tom ntej uas ntsuab dua thaum tau txais kev ua tau zoo rau koj cov ntawv thov.