Suitable for polyvinyl chloride, ABS resin, acrylic resin, polyurethane, melamine resin, cellulose resin and many other plastics.   The product contains two ortho hydroxyl benzophenone, ultraviolet absorption capacity is the strongest, especially in the wavelength of 330-370nm. The product has good compatibility with resin, and the general dosage is 0.25-3%.   It also has good light stabilization effect in paint.