Hauv lub tsev tsim, polyvinyl alcohol (PVA) kuj tseem yog ib qho tseem ceeb heev polyvinyl alcohol. Hauv cov ntaub ntawv tsim, raws li cov xim thiab cov adhesive, thiab raws li ib qho khoom xyaw hauv cement, nws hloov kho cov khoom siv hauv tsev. PVA polymers txo qhov viscosity ntawm emulsions thiab txhim kho lawv qhov adhesion vim nws cov amphiphilic properties. PVA kuj yooj yim biodegradab uas ua rau nws yog ib qho zoo rau ib puag ncig, yog li nws haum nrog kev tsim kho ntsuab. Peb muab ntau hom PVA khoom rau kev siv hauv tsev, uas yog qhov kev txiav txim hauv ntau lub teb chaws thiab yog qhov tseem ceeb hauv txhua txoj haujlwm uas cov neeg ua haujlwm.