Hydran AP 20-W-30 Polyester polyurethane Reichhold PU - Polyurethane dispersions (PUDs) >> Polyester PU ADHESIVE >> Water-based HYDRAN AP 20-W-30 Polyurethane Emulsion polyurethane emulsion, water reducible polyester polyurethane, free of emulsifiers and organic solvents excellent adhesion to plastic substrates glass and metal high gloss very good hardness excellent resistant against light, heat (up to near 100°C) and water coatings and adhesives for paper, textiles, plastics glass and metal adhesive primers for superior hardness, abrasion and chemical resistance add max. 1% crosslinker Epotuf CR-5L immediate before application (pot life is approx. 12 h at 20° curing 15 min at 100°C or 1 min at 140°C Crosslinking with water reduceable melamine resins (15-25% solid amino resin, calc. on Hydran solids) is also possible to obtain very flexible, non yellowing films with high chemical resistance; baking conditions depend on the reactivity of the melamine resin Emulsifier-free, organic solvents free, water reducible polyester polyurethane emulsion. Used in adhesives for paper, textiles, plastics, glass and metal, and in adhesive primers. Provides high gloss, very good hardness and resistance against light, heat and water. Can be crosslinked with water reducible melamine resins.