Avery DennisonTM Secure A Tie Cable Ties are made with type 6/6 nylon for high impact and tensile strength. They are self-extinguishing - UL 94 Flam. Class V2 and non-corrosive. Operating temperature from -40°F to 185°F (-40°C to 80°C). Heat stabilized from -40°F to 221°F (-40°C to 105°C). Recognized by Underwriters Laboratories, File No. E57800.