Yuav ua li cas PVA 2699 muaj peev xwm daws? Cia peb nug cov kws tshaj lij.

Nws yog qhov xav tias PVA 2699 yuav yog ib qho khoom xim siab tshaj plaws vim nws qhov tsis muaj qhov hnyav ntawm dej thiab qhov zoo tshaj plaws adhesion ntawm xim thiab lwm qhov chaw. PVA 2699 kuj ua rau muaj ib qho khoom zoo dua li qhov qub vim nws qhov zoo displacement. PVA 2699 yog ib qho loj vim nws khaws nws qhov opacity thoob plaws txhua thaj chaw xws li adhesives thiab coatings, thiab qhov no ib leeg ua rau nws muaj ntau tus neeg xav tau hauv thaj chaw tsim kho.

Ua ib qho ntawm cov neeg faib khoom siab, qhov zoo yog paub tseeb hauv txhua qhov chaw ntawm peb PVA 2699 cov khoom. Peb cov txuas nrog cov chaw tsim khoom nrov pab txhawb nqa kev muab cov khoom ntshiab. Qhov kev cog lus rau qhov zoo no yog txuas ntxiv los ntawm cov yam ntxwv solubility zoo uas ntseeg tau rau cov neeg siv khoom tias lawv yuav siv cov khoom uas yuav muab rau lawv cov txiaj ntsig ruaj khov hauv lawv cov ntawv thov.

Pom tias txhua lub lag luam muaj nws tus kheej cov nhuav, peb tau kho PVA 2699 rau cov lag luam sib txawv. Peb cov kws tshaj lij koom tes nrog cov neeg siv khoom kom nkag siab txog lawv cov ntawv thov thiab pom zoo txoj hauv kev zoo tshaj plaws los siv PVA 2699. Qhov no ua kom paub tseeb tias ib tus neeg siv khoom yuav tau txais cov khoom siv tau zoo tshaj plaws txog solubility thiab cov requirments ntawv thov uas nce qib ntawm cov neeg siv khoom tus txaus siab thiab tus nqi kev vam meej.