Polychem 6502-100 Alkyd resin OPC Polymers Alkyd Resins >> Long-oil Coatings >> Waterborne POLYCHEM 6502-100 is a pure long oil alkyd formulated especially for the modification of latex house paints or other exterior latex coating applications where chalk binding, flexibility, and adhesion are necessary to augment the properties of a latex system. The modification level is typically 25% based upon total resin solids. This product is HAP-free. linseed Air drying Air drying, HAP-free, pure long linseed alkyd resin. Used for modification of latex house paints and other exterior latex coating applications. Provides chalk binding, flexibility and adhesion.