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Zvinhu zvePVA Zvinonyungudika Mumvura
Zvinhu zvePVA zvinonyungudika mumvura zvinogadziriswa nekusanganisa polyvinyl alcohol (PVA), starch nezvimwe zvinonyungudika mumvura. Zvinhu izvi zvinhu zvine hushamwari kune nharaunda zvine hunhu hwekunyungudika mumvura uye zvinoora, zvinogona kunyungudika zvachose mumvura. Munzvimbo dzakasikwa, tupukanana tunopedzisira twapwanya zvigadzirwa kuita carbon dioxide nemvura. Mushure mekudzokera kunzvimbo dzakasikwa, hazvina chepfu kumiti nemhuka.
