APR 500 Oxazoline resin Advanced polymer Crosslinking / Coupling / Curing Agents Inks >> Water-based Coatings >> Waterborne Printing Inks & Varnishes Metal Water - 1-methoxy-2-propanol Miscible in water APR-500 Oxazoline Functional Polymer Solution The Advanced Polymer Resin 500 (APR-500) is a unique polymer solution containing pendant oxazoline groups designed to work as an effective waterborne crosslinking agent for polymer emulsions containing carboxyl functionality. The APR-500 demonstrates excellent adhesion to polyester and other substrates due to the oxazoline groups. Low-Temperature Curing Long Pot-Life Excellent Adhesion Excellent Water Resistance Adjustable Softness / Hardness APR-500 Metal Coatings Oxazoline functional polymer solution. Used as an effective waterborne crosslinking agent for polymer emulsions containing carboxyl functionality in metal coatings and inks. Provides very good adhesion to polyester, low-temperature curing, long pot-life, very good water resistance and adjustable softness/hardness.