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Ensinger PEI
3M CP 25WB+ Fire Barrier Sealant
Categories: Polymer; Thermoset

Material Notes: 3M Fire Barrier Sealant CP 25WB+ is a high-performance, ready-to-use, gun-grade, latex-based, intumescent sealant that dries to form a monolithic fire-stop seal that also acts as a barrier to airborne sound transmission. 3M Fire Barrier Sealant CP 25WB+ helps control the spread of fire, smoke and noxious gasses before, during and after exposure to a fire when installed in accordance with a listed through penetration or fire-resistive joint assembly system. 3M Fire Barrier Sealant CP25WB+ firestops blank openings and penetrations passing through fire-rated floor, floor/ceiling or wall assemblies and other fire-rated interior building construction. The unique intumescent property of this material allows 3M Fire Barrier Sealant CP25WB+ to expand and help maintain a firestop penetration seal for up to 4 hrs as penetratants are exposed to fire. 3M Fire Barrier Sealant CP25WB+ exhibits excellent adhesion to a full range of construction substrates and penetrants. No mixing is required.

Information provided by 3M

Vendors:
Available Properties
  • Volatile Organic Compounds (VOC) Content, VOC Less H2O and Exempt Solvents
  • Hardness, Shore A, ASTM D2240
  • Tensile Strength at Break
  • Maximum Service Temperature, Air
  • Minimum Service Temperature, Air
  • Shrinkage, ASTM C1241, Volume
  • Processing Temperature, ASTM C1299, Application
  • Processing Temperature, ASTM C1299, Application
  • Cure Time, Tack free, RT @ 50%RH
  • Cure Time, Dry to touch, RT @ 50%RH
  • Shelf Life
  
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Manufacturer Notes:
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Category Notes
Plastic

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