Kuraray Poval™ 25-98 R

1 of 147 products in this brand
KURARAY POVAL™ 25-98 R by Kuraray is a water-soluble polyvinyl alcohol (PVOH) specialty grade manufactured by alcoholysis of polyvinyl acetate. It exhibits high molecular weight, good cohesion, good adhesion to fibers-, fillers- and pigments. Its molecular structure contains peculiar functional groups that is silanol groups. The silanol groups are reactive with inorganic substances such as silica or alumina. KURARAY POVAL™ 25-98 R can be applied with inorganic substances to form water resistant films. Recommended for adhesives.

Functions: Adhesion Promoter, Binder, Binder & Resin, Coupling Agent

Chemical Family: Polyvinyl Alcohols & Esters

Technical Data Sheet
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Properties

Typical Properties
ValueUnitsTest Method / Conditions
Degree of Hydrolysis98.0 - 99.0mol %
Volatiles Contentmax. 5.0wt %
Ash Contentmax. 0.6%Calculated as Na2O
Viscosity (20°C)20.0 - 30.0mPa.s