135 ° C (3X) flame retardant heat shrinkable tube, made of radiation cross-linked polyolefin, has excellent physicochemical and electrical properties. Typical applications include insulation of electrical connections, wire splices or terminals, rust and corrosion resistance for the soldered connections or joints, mechanical and wiring harness protection in electronics, communications, automotive, marine, aircraft manufacturing and other fields.. Features Meets AMS- DTL = 23053 /5 compatible UL 224, CAN / CSA C22.2 NO198.1 -99 Heat shrink ratio : 3:1 Flexible, highly flame retardant , swiftly shrinking , corrosion resistant to general chemical solutions, of stable performance Min. shrink temperature : 84 Min. full recovery temperature : 120 Continuous operating temperature : -55 - 135 RoHS Compliant Standard colors: black, white, red , yellow , green , blue and ten other four international colors. More colors are available upon request.