High Gloss Waterborne Polyester Resin Excellent Aluminum Orientation Anti-Crystallization Product Overview WL-187 is a self-emulsifying waterborne polyester resin, supplied as a 77% solution (unneutralized). It appears as a light yellow, transparent, viscous liquid and is suitable for waterborne coating systems. It must be neutralized with DMEA before use (recommended dosage: 6-8% based on resin weight). Physical Properties Properties Units Values Appearance --- Light yellow