PVA farin manne

PVA manne shine raguwar polyvinyl acetate.Siffar farin foda ce.Yana da wani nau'i na polymer mai narkewa da ruwa tare da fa'idodin amfani.Ayyukansa yana tsakanin filastik da roba.Ana iya raba amfani da shi zuwa manyan amfani guda biyu: fiber da mara fiber.Saboda PVA yana da mannewa mai ƙarfi na musamman, sassaucin fim, santsi, juriya mai, juriya mai ƙarfi, colloid mai karewa, shingen gas, juriya juriya da juriya na ruwa tare da jiyya na musamman, ba kawai ana amfani dashi azaman fiber albarkatun ƙasa ba, Hakanan ana amfani dashi sosai a cikin samar da sutura, adhesives, wakilai masu sarrafa takarda, emulsifiers, masu rarrabawa, fina-finai da sauran kayayyaki, tare da aikace-aikacen da suka shafi yadi, abinci, magani, gine-gine, sarrafa itace, yin takarda, bugu, noma, karfe, masana'antar sinadarai ta polymer da sauran masana'antu.
Idan aka kwatanta da irin wannan adhesives a kasuwa, ba ya ƙunshi sinadarai masu guba irin su formaldehyde (ta yin amfani da gyare-gyaren urea-formaldehyde resin ko melamine resin ko resin phenolic mai narkewa da ruwa wanda zai iya kaiwa E2 ko mafi girma. za a iya ƙara Rage abun ciki na formaldehyde kyauta na samfurin), babu gurɓataccen yanayi ga samarwa da amfani, ƙananan farashi, tsari mai sauƙi, sakamako mai kyau na haɗin gwiwa, bushewa da sauri da sauri.Ana amfani dashi don samar da panel na tushen itace ba tare da matsawa mai zafi ba kuma yana da amfani mai mahimmanci a cikin ceton makamashi.
Yawancin abokan ciniki yanzu suna amfani da farin latex na PVA don yin slimes.Wannan kuma yana daya daga cikin manyan amfani da manne PVA.A wasu ƙasashe a Turai da Amurka, mutane da yawa suna ba wa ƴaƴan su ƙura a matsayin karatun firamare.Kayansa ba shi da guba kuma yana da alaƙa da muhalli, don haka babu buƙatar damuwa game da ko manne zai cutar da yara.