Rau PVA vs gelatin kev sib cav hauv kev tsim yeeb yaj kiab, qee qhov tseem ceeb uas PVA muab yuav tsum tau xav txog. Dej soluble polyvinyl alcohol muaj qhov zoo dua ntawm moisture aversion, siab dua resistance, thiab tsis muaj tshuaj lom, yog li ntawd cov neeg tsim yeeb yaj kiab tsis tas yuav txhawj txog qhov zoo ntawm cov khoom raw uas siv. Peb lub tuam txhab muaj ib qho loj stock ntawm polyvinyl alcohol khoom uas haum rau ntau hom kev siv hauv kev tsim yeeb yaj kiab, kom cov khoom zoo yuav ib txwm muaj rau ntau hom kev tsim yeeb yaj kiab.