PVA (ib qho polymer) adhesives tau nce siab hauv ntau lub lag luam vim lawv cov yam ntxwv ua haujlwm zoo. Zoo siab, PVA adhesives tau teb rau qhov hu thiab muab qhov uas tuaj yeem piav qhia tias yog ib qho kev xaiv ntseeg tau rau cov ntawv thov uas xav tau heev. Lawv pom kev siv hauv kev tsim, pob khoom thiab ntau lwm qhov chaw uas xav tau cov txuas ruaj khov thiab flexible. Nws tseem zoo heev kom nco ntsoov tias PVA yog yooj yim siv thiab yooj yim ntxuav, ua rau nws yog ib qho phooj ywg rau cov kws tshaj lij thiab cov neeg ua si.