Polyvinyl Alcohol 2688

The core of polyvinyl alcohol (PVA) performance lies in its degree of hydrolysis. The 88 Series PVA, which is partially hydrolyzed (usually around 87.0 to 89.0 mol%), differs from the fully hydrolyzed 99 Series in that it provides better …

PVA (polyvinyl alcohol) is a white, powdery resin obtained by hydrolysis of polyvinyl acetate. Since my country began researching and producing it in the 1960s, its current output ranks first in the world. Polyvinyl alcohol film is great …