Protect cables, bundles, connectors, splices, wires and tubes in extreme heat and chemically hazardous environments with high temperature fluoropolymer heat shrink tubing. Available in PTFE (Polytetrafluoroethylene), dual wall PTFE/FEP, Kynar®, Viton®, and similar materials, our extreme condition heat shrink selections create tight, moisture-proof seals that conform to or exceed MIL-spec military and commercial standards.