Home
loading content

Fiber Glass

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.

230 items

121151
ColorNatural (Silver Grey)
MaterialHeat Treated Fiberglass Sleeving
Nom. I.D. (in)0.19
UL StyleUL 1441 VW-1
Requires Quote 
121154
ColorNatural (Silver Grey)
MaterialHeat Treated Fiberglass Sleeving
Nom. I.D. (in)0.17
UL StyleUL 1441 VW-1
Requires Quote 
121190
Abrasion Resistance>1000 Cycles
ColorBlack
MaterialHeat Treated & Saturated Fiberglass Sleeving
Mil-SpecMIL-Y-1140H
Nom. I.D. (in)1.018
Nom. Wall Thick. (in)0.02
UL StyleUL 1441 VW-1, UZIQ2 - E80713 - VW1 Rating QPL 3190
Requires Quote 
121195
Abrasion Resistance>1000 Cycles
ColorBlack
MaterialHeat Treated & Saturated Fiberglass Sleeving
Mil-SpecMIL-Y-1140H
Nom. I.D. (in)0.512
Nom. Wall Thick. (in)0.2
UL StyleUL 1441 VW-1, UZIQ2 - E80713 - VW1 Rating QPL 3190
Requires Quote 
121225
Abrasion Resistance>1000 Cycles
ColorBlack
MaterialHeat Treated & Saturated Fiberglass Sleeving
Mil-SpecMIL-Y-1140H
Nom. I.D. (in)0.768
Nom. Wall Thick. (in)0.2
UL StyleUL 1441 VW-1, UZIQ2 - E80713 - VW1 Rating QPL 3190
Requires Quote 
121231
Abrasion Resistance>1000 Cycles
ColorBlack
MaterialHeat Treated & Saturated Fiberglass Sleeving
Mil-SpecMIL-Y-1140H
Nom. I.D. (in)0.387
Nom. Wall Thick. (in)0.2
UL StyleUL 1441 VW-1, UZIQ2 - E80713 - VW1 Rating QPL 3190
Requires Quote 
In Stock
121259
Abrasion Resistance>1000 Cycles
ColorBlack
MaterialHeat Treated & Saturated Fiberglass Sleeving
Mil-SpecMIL-Y-1140H
Nom. I.D. (in)0.64
Nom. Wall Thick. (in)0.2
UL StyleUL 1441 VW-1, UZIQ2 - E80713 - VW1 Rating QPL 3190
Requires Quote 
121263
Abrasion Resistance>1000 Cycles
ColorBlack
MaterialHeat Treated & Saturated Fiberglass Sleeving
Mil-SpecMIL-Y-1140H
Nom. I.D. (in)0.893
Nom. Wall Thick. (in)0.2
UL StyleUL 1441 VW-1, UZIQ2 - E80713 - VW1 Rating QPL 3190
Requires Quote 

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