Insulflex® Cool Blue™ Fire Sleeving

Aerospace Grade Silicone Rubber and Fiberglass Sleeving for Any Environment

Insulflex fiberglass sleeving

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Insulflex Cool Blue Aerostyle Pyrojacket Fire Sleeving

    Additional Images
  • Fire Sleeving - icon
  • Insulflex Cool Blue - icon
  • Insulflex Cool Blue Aerostyle Pyrojacket Fire Sleeving - icon
  • Insulflex Fire Sleeving - icon
  • Insulflex Fire Sleeving - icon

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Copyright ©2014

Low Price GuaranteeWhat's special about this fire rated sleeving?

  • Shields your cables, hoses, and pipes from temperatures up to 3000°F (1650°C)
  • Resists radiant heat, chemicals, solvents, moisture, abrasion, vibration, and electricity, so this sleeving may be used in virtually any environment
  • Reduces the outer temperature by up to 150°F (65.55°C) for a much greater degree of personnel safety
  • Ideal for use in high heat environments such as factories, laboratories, foundries, welding shops, and more
  • Click for More Features

In many cases, it is just as important for a product to have the proper certifications as it is for the product to satisfy the technical requirements. Cool Blue™ Firesleeving by Insulflex® meets or exceeds GL, UL, SAE, MSHA, and DIN requirements, ensuring it will be certified for use anywhere in the world. In addition to its high degree of certification, this sleeving also resists the elements and abrasion, ensuring use in any application.

  • Despite its heavy protective silicone coating, this sleeving is still highly flexible for easy routing
  • Optional End Dip™ coating prevents fraying and ensures that flammable oils or contaminants will not be absorbed into the glass fibers


Continuous Operating Temperature 500°F (260°C)
Maximum Temperature 2000°F (1093°C)
K-Factor 0.485 BTU/in (hrs*ft^2*°F)
Wall Thickness 0.200" (5.08 mm)
Flame resistance Very Good
Abrasion resistance Very Good
Flexibility Outstanding
Water and oil resistance Outstanding
Material Silicone Rubber covered Fiberglass Yarn
ISF-CB-08-100FT 1/2" 100 FT
ISF-CB-12-100FT 3/4" 100 FT
ISF-CB-16-100FT 1" 100 FT
ISF-CB-20-100FT 1-1/4" 100 FT
ISF-CB-24-50FT 1-1/2" 50 FT
ISF-CB-28-50FT 1-3/4" 50 FT
ISF-CB-32-50FT 2" 50 FT
ISF-CB-40-50FT 2-1/2" 50 FT
ISF-CB-48-50FT 3" 50 FT
ISF-CB-56-50FT 3-1/2" 50 FT

Odourless End Dip Coating
Used to coat the ends of your Insulflex Fire Sleeve to prevent fraying and the absorption of flammable oils

ISF-LSR2112-1L Insulflex Odorless End Dip Coating, Can 1 Liter
ISF-LSR2112-4L Insulflex Odorless End Dip Coating, Tub 4 Liter
ISF-LSR2112-PL Insulflex Odorless End Dip Coating, Pail 17 Liter Pail


by PowerReviews

(based on 1 review)

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Reviewed by 1 customer

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great insulation

By mechanic

from Scarborough

About Me Enthusiast


  • Easy To Use
  • Quality Construction


    Best Uses

      This product was great for reducing the outer temp on hot SS pipes and flexible metal hose.

      • Primary use:
      • Business
      • Was this a gift?:
      • No

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