UV-326 is a highly efficient benzotriazole based ultraviolet absorber with a CAS number of 3896-11-5. The product appearance is light yellow crystalline powder, with a melting range of 137-141 ℃ and a content of ≥ 99%. Its core feature is excellent compatibility with polyolefins, which can effectively absorb ultraviolet light in the 270-380 nanometer wavelength range, and is insensitive to metal ions. Its stability under alkaline conditions is superior to similar products. The application areas are mainly used for materials such as polyethylene (PE), polypropylene (PP), polyvinyl chloride (PVC), polystyrene (PS), and EVA. It is particularly suitable for outdoor thin products such as agricultural films, mulching films, and sunshade nets, with a recommended dosage of 0.2% -0.5%. The product should be sealed and stored in a cool, dry, and dark place, avoiding high temperatures and humidity.