Panduit Halar® Plenum Rated Cable Ties (ECTFE) are rated and listed by UL for use in plenum or air handling spaces per NEC, Section 300-22 (C) and (D). These heavy duty cable ties have a low smoke density and have a flammability rating of UL 94V-0. You can find these Panduit cable ties as a solution for bundling cables without conduit in air handling space application. Such environments include nuclear plants, environments with chemicals, telecommunication equipment, environments dealing with aerospace, and extreme high and low temperature settings. Halar Cable Ties are sold in the familiar maroon color that most inspectors look for. Here at Buyheatshrink.com, we offer a variety of Panduit Halar Zip Ties ranging from nominal sizes of 4" to 11.6". The 4" Panduit Halar Cable Tie has a loop tensile strength of 18 pounds, the 7.4" cable ties have a loop tensile strength of 50 pounds and the 11.6" cable ties have a loop tensile strength of 50 pounds.