High Temperature Fiberglass Sleeves
Davlyn manufactures a variety of knitted and braided fiberglass sleeves with varying characteristics to fulfill certain design criteria. Available in sizes from ¼ through 6”, all are constructed of high quality type E fiberglass which resists most acids and alkalis; is unaffected by most bleaches and solvents; and is highly flexible and conformable. The basic fiber is manufactured in accordance with specifications outlined in ASTM D-578, ASTM committee D13, and subcommittee D13.18. The different product groups are:
![]() |
Knitted and Braided Heavy Wall Fiberglass Sleeveprovide excellent thermal insulation and/or protection of industrial hoses and cables as well as affording personnel protection. Rated for continuous operation at 540°C/1000°F, the product provides affordable insulation value and is often used as an underlying insulation layer. It is highly conformable... more details |
![]() |
Heat Treated Braided Fiberglass Sleeveis a thinner wall material designed to provide both thermal and mechanical protection of cable assemblies and small hoses. Rated for continuous operation at 540°C/1000°F, the heat treatment helps to reduce end fray and provides a smoother more aesthetically pleasing exterior surface.... more details |
![]() |
Saturated Braided Fiberglass Sleeveis coated with an acrylic saturate, which adds rigidity and abrasive strength to the product and greatly reduces end fray. Rated for continuous operation at 540°C/1000°F, the added rigidity facilitates application over long lengths of cables and hoses, while its’ 2X expansion ratio allows installation over in-line couplings and fittings.... more details |
![]() |
Vermiculite Coated Braided Fiberglass Sleeveis rated for continuous operation at 815°C/1500°F. The addition of the vermiculite coating also adds rigidity and abrasive strength to the product, while reducing the likelihood of end fray.... more details |



