UV absorber UV-531 is an excellent and efficient anti-aging additive that can absorb 240-340 nanometers of ultraviolet light. It has the characteristics of light color, non-toxic, good compatibility, low migration, and easy processing. It has the greatest protective effect on polymers and helps to reduce color, while delaying yellowing and blocking physical property loss. It is widely used in PE PChemicalbookVC、PP、PS、PC、 Organic glass, polypropylene fibers, and ethylene vinyl acetate provide excellent photostability for dry phenolic and alkyd varnish, polyurethane, acrylic, epoxy, and other air dried products, as well as automotive repair paints, powder coatings, polyurethane, rubber products, etc. The dosage is 0.1% -0.5%