... compound, Asbestos, Azo. Compounds and Formaldehyde.3.Operating Temperature-55C- 125C.4.Shrinkable Temperature: Start at 70,and shrunk totally at 110 ... will shrink.8. Meet Sony and RoHS standard.Standard colors: Black, Red, Yellow, Green, Purple, Blue, Grey, Brown. Flame-retardant Thin Wall Heat Shrinkable tube