PVA 1799

As we all know, materials are paramount in all aspects of industry, and materials with different properties have different uses. Polyvinyl alcohol (PVA) ...

Polyvinyl alcohol 1799, also known as sizing resin, is a white or yellowish powder or a floc solid...

The degree of alcoholysis is usually three, that is, 78%, 88%, and 98%. The degree of alcoholysis...