Gafgard 233 Blend of vinylpyrrolidone and polyacrylate International Specialty Products Light stabilizers / UV-absorbers ADHESIVE GAFGARD 233 Vinylpyrrolidone and polyacrylate, Formulated mixture uv absorber reactive Adhesives/gluestick Mixture of vinylpyrrolidone and polyacrylate. Used as a reactive UV absorber in adhesives and gluestick.