Hydroxyphenol benzotriazole. Acts as a highly efficient ultraviolet light absorber (UVA). Provides excellent light stability to a variety of polymers including epoxies, polyesters, urethanes as well... view more

SpeedCure 938 by Lambson (Sartomer) is a antimony-free bis-(4-t-butylphenyl)-Iodonium hexafluorophosphate. Acts as a low yellowing cationic photoinitiator. Enables good adhesion to metal substrates... view more