The one-inch DR-25 tubing from Raychem is the second biggest size available. It is essentially 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-25-1-0-SP tubing have a great amount of flexibility which allows you to install them almost anywhere.
It has a 2:1 shrink ratio and shrinks from 25.4mm to 12.7mm when subjected to the shrink temperature of 175®C. The tubing can help keep out the possible ill effects due to liquids like diesel fuel, hydraulic fluid, aviation fuel etc. While the tubing helps against abrasion and fluids, it also helps in preventing any kind of mechanical damage to the component.
It is mostly packages as a spool and available in black color. You can find it in various military vehicles as well as motorsport and industrial application. This heat shrinkable tubing is high temperature compatible with an operational temperature range of -75 to 150®C.
DR-25-1-0-SP tubing from Raychem is a high quality product which is government and industry qualified. You can purchase the tubing on a per foot basis.
The base price for DR-25-1-0-SP tubing, is $8.28 per foot. Lower prices apply for larger orders!
Standard factory spool is 100FT.