The one-inch DR-25 tubing from Raychem is the largest size available. It is essential to help keep out the ill effects of the abrasive fluids at very high temperatures. The tubing is specially designed to ensure that while the cables and harnesses can be protected, even the installation is not a big problem. DR-25 1 1/2" tubing has excellent flexibility, allowing you to install them almost anywhere.
It has a 2:1 shrink ratio and shrinks from 38.2mm to 19.1mm when subjected to the shrink temperature of 175®C. The tubing can help eliminate the possible ill effects of liquids like diesel fuel, hydraulic fluid, aviation fuel, etc. While the tubing helps against abrasion and juices, it also helps prevent mechanical damage to the component.
It is mainly packaged as a spool and available in black color. You can find it in various military vehicles and motorsport and industrial applications. This heat-shrinkable tubing is high-temperature compatible with an operational temperature range of -75 to 150®C.
DR-25 1 1/2” tubing from Raychem is a high-quality government and industry-qualified product. You can purchase the tubing on a per-foot basis.
The standard factory spool is 49FT.