This rugged silicone fire heat shield sleeve makes it resistant to chemicals, abrasion, and fraying. You can also use HP Fire Armor for brake lines, fuel lines, wiring harnesses, and cables. In addition you can the rugged silicone coating makes this heat shield sleeve ideal for protecting welding lines and cables. This sleeve is designed to reduce and dissipate heat and works great for areas where harsh environments exist that require heat shield insulation. HP Fire Armor Sleeving withstands 450F continuous.