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Fire Barrier IC 15WB Sealant by 3M

Description of Fire Barrier IC 15WB Sealant by 3M

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With its intumescent property, the 3M Fire Barrier IC 15WB Sealant is able to expand a minimum of 2 times at 1000F to provide an air tight seal preventing smoke, noxious gas, fire and water from passing. This sealant is thixotropic (able to use overhead and vertically) and is endothermic (absorbs heat energy and releases chemically bound water).

Available in a tube or pail, 3M Fire Barrier Sealant can easily be applied and dries with-in minutes. Its water based formula makes for no special handling and easy clean up.

For use with:

  • Blank openings
  • Metallic and non-metallic pipes
  • Insulated pipes
  • HVAC vents and ducts
  • Wall construction joints

*This product will restore fire rated construction to its original integrity when installed in accordance with the applicable listed UL system.

**5 Day Lead time on all orders!

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Features and Benefits

  • ASTM E 814 fire tested.
  • Meets ASTM E 84 (UL 723) and ASTM E 1966 (UL 2079) standards.
  • Water base for easy clean up.
  • Halogen-free
  • Quick drying formula.

More Info

3M Fire Barrier IC 15WB Sealant Data Sheet
3M Fire Barrier IC 15WB Sealant MSDS

Typical Physical Properties
Tack Free Time (ASTM C679-87) 8 to 12 minutes @73F (23C)
Expansion at 662F (350C) 2.0
Color Yellow
Density 12.0 lb/gal. (1,43 kg/L)
Adhesion Very good on all construction substrates
Application Caulk guns, trowel, spatula, pressureized pumps
Hardness (Shore A) 70
Solids 80% by weight
Odor Pleasant non-irritating
Flow Rate 2000 grams/min. from 1/4 in. (6,35 ..) nozzle at 50 psi
ASTM E 84: Flame Spread:                      Smoke Development: 0 0
Boeing Flow (Sag Characteristics): <2 in. (5,08 cm) in 5 minutes


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