PVP K-30 is a product that is soluble in water and many organic solvents and it forms hard, transparent, glossy film. PVP is compatible with most inorganic salts and many resins. PVP stabilizes emulsions, dispersions and suspensions.
PVP K-90 is a powder is soluble in water and many organic solvents and it forms hard, transparent, glossy film. It has an average molecular weight of 1,300,000 in Daltons. It has adhesive and cohesive properties.