Waterborne Polyester Dispersion for Auto & Bicycle Coatings WL-153 is a self-emulsifying waterborne polyester dispersion, designed as a waterborne alternative to solventborne resins, continuously reducing VOC for greater environmental friendliness. It is mainly used in waterborne baking coating systems and is commonly found in bicycle, auto parts, and wheel hub coatings. Physical Properties Properties Units Values Appearance --- Milky white, semi-transparent Solid Content %