ПВХ клей 1788 1799 2488 2688 2699 cas 9002 89 5 промышленный класс Поливиниловый спиртовой порошок

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pva glue cas 9002-89-5 industrial grade Polyvinyl Alcohol Pva 2488 Powder PVOH pva 2488 wanwei shaugnxin changchun


Product Description


Polyvinyl alcohol (PVA) resin is a high polymer. It is usually a white or slightly yellow flocculant with a flake, granular or powdery appearance. PVA is non-toxic, odorless, and non-polluting. PVA is a water-soluble resin with good chemical stability. It also has good adhesion, film-forming ability, insulation, oil resistance, abrasion resistance and gas barrier properties, and has typical polyol chemical properties, which can enable esterification, etherification, and acetylation reactions.







Specification and Application


PVA Product Features
Product Name
PVA 088-20 120mesh
Alcoholysis degree(mol %)
87.0~89.0
Viscosity(mPa.s)
20.5~24.5
Volatile consituent(%)
≤5.0
Purity(%)
≥99
Ash content(%)
≤0.4
PH
5~7
Fineness
120mesh






This product is mainly used in internal & external putty, interface agent, ceramic adhesive, gypsum plaster, which can increase the cement, mortar's adhesive, flowing performance effectively, also can slow down cement surface drying time, increasing painting adaptability and prevent the crack of cement coating.


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