Polyvinyl cawv
PVA resin yog ib hom hnyav polymer. Nws feem ntau yog dawb los yog me ntsis daj floccules, flake, granular los yog powdery nyob rau hauv tsos.
PVA yog non-toxic, insipid thiab non-polluting. PVA yog ib hom dej-soluble resin nrog tshuaj lom neeg ruaj khov. Nws kuj muaj qhov zoo adhesion, zaj duab xis-tsim muaj peev xwm, rwb thaiv tsev, roj tsis kam, abrasion tsis kam thiab roj barrier zog, thiab muaj cov tshuaj lom neeg ntawm polyols thiab tuaj yeem ua rau esterification, etherification, acetalization tshua.
Polyvinyl cawv (PVA) hmoov series ntawm cov khoom yog tshwj xeeb nyob rau hauv kev tsim kho kev lag luam raws li ib tug additive nyob rau hauv tag nrho cov hom ntawm qhuav hmoov putty, qhuav mortar, pobzeb nplaum, tshwj xeeb tshaj yog siv rau lub tsev putty thiab mortar, txhim kho qhov yooj, dej tuav thiab nce viscosity ntawm mortar thiab putty. Nws yog adhesion zoo heev thiab siv dav nrog cov ntawv ua, sizing cov ntaub ntawv rau textile, nplaum, zaj duab xis, thiab qhuav mortar teb.
PVA 1788 ntawm 20/80/100/120/200 mesh, PVA 2488 ntawm 20/80/120/200 mesh, PVA 1799 ntawm 20 mesh thiab lwm yam.
Cim npe nrov: Tuam Tshoj polyvinyl cawv pva yas hais, Tuam Tshoj polyvinyl cawv pva yas hais manufacturers, lwm tus neeg, Hoobkas