Ultraviolet absorber 531

It is widely used in PE, PVC, PP, PS, PC, plexiglass, polypropylene fiber, and vinyl acetate. Furthermore, it provides good light stabilization for drying phenolic and alkyd varnishes, polyurethanes, acrylics, epoxy resins, and other air-drying products, as well as automotive finishing paints, powder coatings, polyurethanes, and rubber products. The recommended addition level is 0.1%-0.5%.
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