Heli-Tube PTFE Spiral Wrap is chemically inert and comes in a variety of sizes for bundling and protecting lab wiring. Highly flexible for use with automated equipment or to bend around consoles and benches, this abrasion-resistant wrap is non-flammable and operates over a -450°F to 500°F range. It is easy to apply without tools and comes in 10 sizes ranging from 1/16 in. to 1½ in. O.D.