Tsis lawm

PVA mus yog tau tawm ntawv thiab formaldehyde los yuav hais tawm noj hydrochloric acid, li cas thiaj nrog qhov water-resistant PVA formaldehyde polymer compounds, los yuav ua rau hwm ntawm cov kev cai thiab txheej thiab ntawm kev cai, thiab uas muaj qhov sawv thiab qhov npawb ntawm tus tshaj ntawv. Tus PVA tsis lawm li cas ib tug qhov sawv thiab waterproofing, muaj ntawd thiab muaj ntawd khiav nyob rau hwm thiab ntawm water, thiab lowb qab.

Cov Qhov Nyob Rau：PVA 1799、PVA 2099、PVA 2299、PVA 2499、PVA 2699.