Fiberglass sleeving is a top choice for electrical insulation in demanding environments, offering outstanding thermal and mechanical protection. With growing search interest and a high commercial value, this product is essential for industries requiring reliable wire and cable management. Optimized for high-temperature resistance and available in a range of sizes and coatings, fiberglass sleeving meets strict industry standards for performance and safety. 

Engineered for durability and compliance, fiberglass sleeving is ideal for applications where heat, abrasion, and electrical insulation are critical. Explore a variety of options designed to meet your specific technical requirements.

133 items

  • Alpha Wire
    PF1304 BK005
    $0.00 /
    • Additional Ratings: MIL-I-3190E; NEMA VS-1; UL 1441; TubingAdditional Ratings
    • Approx LBS/MFT: 2.3
    • Color: Black
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  • Alpha Wire
    PF1305/8 BK005
    $0.00 /
    • Additional Ratings: UL 1441; NEMA TF-1; MIL-I-3190_2; UL VW-1
    • Approx LBS/MFT: 7.7
    • Color: Black
    Order
    Add to List
  • Alpha Wire
    PF1306 BK003
    $0.00 /
    • Additional Ratings: MIL-I-3190E; NEMA VS-1; UL 1441; TubingAdditional Ratings
    • Approx LBS/MFT: 1.5
    • Color: Black
    Order
    Add to List
  • Alpha Wire
    PF1306 BK005
    $0.00 /
    • Additional Ratings: MIL-I-3190E; NEMA VS-1; UL 1441; TubingAdditional Ratings
    • Approx LBS/MFT: 1.5
    • Color: Black
    Order
    Add to List
  • Alpha Wire
    PF1307/16 BK005
    $0.00 /
    • Additional Ratings: UL 1441; NEMA TF-1; MIL-I-3190_2; UL VW-1
    • Approx LBS/MFT: 2.3
    • Color: Black
    Order
    Add to List
  • Alpha Wire
    PF1307/8 BK005
    $0.00 /
    • Additional Ratings: MIL-I-3190E; NEMA VS-1; UL 1441; TubingAdditional Ratings
    • Approx LBS/MFT: 12.5
    • Color: Black
    Order
    Add to List
  • Alpha Wire
    PF1308 BK002
    $0.00 /
    • Additional Ratings: MIL-I-3190E; NEMA VS-1; UL 1441; TubingAdditional Ratings
    • Approx LBS/MFT: 2.7
    • Color: Black
    Order
    Add to List
  • Alpha Wire
    PF1308 BK005
    $0.00 /
    • Additional Ratings: MIL-I-3190E; NEMA VS-1; UL 1441; TubingAdditional Ratings
    • Approx LBS/MFT: 2.7
    • Color: Black
    Order
    Add to List

What is Fiberglass Sleeving?

Fiberglass sleeving is a flexible, tubular insulation product made from braided glass fibers. It is designed to protect wires, cables, and components from heat, abrasion, and electrical hazards in high-temperature environments.

Applications

  • Motors and transformers
  • Automotive wiring harnesses
  • Industrial equipment
  • Aerospace and military systems
  • Appliance manufacturing
  • High-voltage and high-temperature assemblies

Construction

  • Material: Braided fiberglass yarn
  • Coatings: Acrylic, PVC, or silicone rubber for enhanced performance
  • Colors: Natural and black
  • Sizes: Expanded I.D. from 0.039" to 0.113" and more
  • Quantity options: 25 FT, 100 FT, 250 FT, 1000 FT

Specifications

  • Temperature Ratings: 130°C, 155°C, 200°C (varies by coating)
  • Voltage Ratings: Dielectric strength up to 3000 V/mil
  • Compliance: Meets UL 1441, NEMA TF-1, MIL-I-3190, VW-1 flame test
  • Minimum Temperature: As low as -70°C (depending on type)
  • Approximate Weight: Ranges from 0.225 to 12.9 lbs/MFT

Additional Information

  • Superior thermal and electrical insulation
  • Excellent abrasion and chemical resistance
  • Flexible installation over irregular shapes
  • Multiple diameter and length options
  • Certified to major industry standards for safety and performance