Kuraray Poval™ 25-98 R
Sold by Kuraray
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.
Function: Binder
Chemical Family: Polyvinyl Alcohols & Esters
End Uses: Paper & Pulp
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Identification & Functionality
Chemical Family
CASE Ingredients Functions
Industrial Additives Functions
Applications & Uses
Industrial Additives End Use
Properties
Typical Properties
| Value | Units | Test Method / Conditions | |
| Degree of Hydrolysis | 98.0 - 99.0 | mol % | - |
| Volatiles Content | max. 5.0 | wt % | - |
| Ash Content | max. 0.6 | % | Calculated as Na2O |
| Viscosity (20°C) | 20.0 - 30.0 | mPa.s | - |
Kuraray Poval™ 25-98 R
Kuraray