Tag nrho cov hom PVA khoom muaj nrog peb hauv ib qho chaw
Peb tshaj tawm ntau hom PVA khoom uas ua kom koj yuav muaj peev xwm nrhiav tau hom uas tsim nyog rau koj lub tuam txhab. Piv txwv li, yog tias koj tab tom nrhiav ib qho adhesive uas muaj zog heev peb muaj cov hom viscosity siab rau koj thiab yog tias koj xav tau ib qho yooj yim daim ntawv thov viscosity qis muaj. Los ntawm kev sau cov khoom los ntawm cov chaw tsim khoom zoo tshaj plaws peb ntseeg tau tias peb cov neeg yuav tsis yuav tsis txaus siab rau qhov zoo thiab kev ntseeg tau ntawm peb cov khoom, ua rau peb yog qhov xaiv thawj zaug hauv khw.