High temperature fiberglass sleeving is engineered to deliver superior protection for wires and cables in extreme heat environments. With increasing demand for robust insulation in industrial, automotive, and aerospace applications, this sleeving stands out for its exceptional thermal resistance and mechanical durability.

Performance data shows a strong interest in fiberglass sleeving, a keyword with high search volume and commercial value. By focusing on advanced materials and compliance with industry standards, high temperature sleeving ensures reliable performance where standard insulation fails.

35 items

  • Techflex
    FGN2.50
    0.00 / 100 FT
    • Approx LBS/MFT: 197
    • Material: Resin Coated Fiberglass
    • Max. Temp: 650C
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  • Techflex
    FR30.25
    0.00 / 1000 FT
    • Approx LBS/MFT: 3.9
    • Expansion Range - Max.: 3/8”
    • Expansion Range - Min.: 1/8”
    View Details
  • Alpha Wire
    PF2400 NA005
    0.00 /
    • Additional Ratings: UL 1441; UL VW-1; NEMA TF-2
    • Approx LBS/MFT: 1.4
    • Color: NA
    Order
    Add to List
  • Alpha Wire
    PF2401 NA005
    0.00 /
    • Additional Ratings: UL 1441; UL VW-1; NEMA TF-2
    • Approx LBS/MFT: 1.2
    • Color: NA
    Order
    Add to List
  • Alpha Wire
    PF2401/2A NA005
    0.00 /
    • Additional Ratings: UL 1441; UL VW-1; NEMA TF-2
    • Approx LBS/MFT: 6.6
    • Color: NA
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    Add to List
  • Alpha Wire
    PF24010 NA005
    0.00 /
    • Additional Ratings: UL 1441; UL VW-1; NEMA TF-2
    • Approx LBS/MFT: 0.5
    • Color: NA
    Order
    Add to List
  • Alpha Wire
    PF24011 NA005
    0.00 /
    • Additional Ratings: UL 1441; UL VW-1; NEMA TF-2
    • Approx LBS/MFT: 0.5
    • Color: NA
    Order
    Add to List
  • Alpha Wire
    PF24012 NA005
    0.00 /
    • Additional Ratings: UL 1441; UL VW-1; NEMA TF-2
    • Approx LBS/MFT: 0.4
    • Color: NA
    Order
    Add to List

What is High Temperature Fiberglass Sleeving?

High temperature fiberglass sleeving is a specialized insulating sleeve designed to protect wires, cables, and hoses from heat, abrasion, and electrical hazards. Constructed from woven fiberglass yarns, it offers outstanding thermal stability and mechanical strength.

Applications

  • Industrial furnaces and ovens
  • Automotive engine compartments
  • Aerospace wiring harnesses
  • Power generation equipment
  • Electrical enclosures exposed to high temperatures

Construction

  • Material: Uncoated or resin-coated fiberglass
  • Wall Thickness: 0.031" to 0.046" nominal
  • Expanded I.D.: 0.039" to 1.026" (various sizes)
  • Color: Natural (standard)

Specifications

  • Temperature Range: -70°C to 650°C (continuous)
  • Voltage Rating: Meets UL 1441, NEMA VS-1, UL VW-1, NEMA TF-2
  • Specific Gravity: 1.0–1.8
  • Quantity: Available in 100 ft lengths
  • Compliance: UL, CSA, NEC standards

Additional Information

High temperature fiberglass sleeving is ideal for environments where conventional insulation would degrade or fail. Its resistance to chemicals, moisture, and abrasion ensures long-term reliability. Choose from a wide range of diameters and wall thicknesses to meet your specific application requirements.