CAS: 41556-26-7/82919-37-7 It is mainly used in paints and printing Ink,especially developed for coating.It`s effciency provides significantly estended life time.Looking for ideal HALS Manufacturer & supplier ? We has a wide selection at great prices to help you get creative. All the UV Absorber are quality guaranteed. We are China Origin Factory of Light Stablizer. If you have any question, please feel free to contact us.