Non-film-forming Acrylic Emulsion for Water-based Overcoat Varnishes and Printing Inks Introduction WQ-2090 is a hard, non-film-forming styrene-acrylic copolymer emulsion specially engineered for water-based overcoat varnishes and printing inks. Formulated varnishes dry quickly and exhibit high gloss, superior water resistance, and reliable anti-blocking performance, while offering excellent compatibility with widely used acrylic polymers on the market. Physical Properties