PVA 0850 thiab PVA 0588 polyvinyl alcohol lawv yog ib qav tsis ntawm PVA mus rau hais tias cov nrog viscosity peb nyob rau txog ib qav lub kev pab. Rau hais tias, PVA 0588 muaj viscosity thiaj los, no yog kawg li cas li cas thiab yog kawg li ua hauj hawj tebchaw. Cov lwm, PVA 0850 muaj viscosity thiaj tas, no yog kawg li cas li cas thiab yog kawg li ua hauj hawj tebchaw rau hais tias adhesives, coatings, thiab cov qab kev pab yog ib qav lub kev pab mus rau txog viscosity thiaj tas. Neeb tug li cas li cas thiab viscosity yooj yim yog ib tug qhov tsis ntawm rau hais tias textile, construction, thiab paper making, Yog viscosity yog ib tug qhov no yog ib tug parameter qhia rau hais tias lub end product application.