We formulated this fire sealant to dry and form a monolithic firestop seal that also acts as a barrier to airborne sound transmission. 3M™ Fire Barrier Sealant CP 25WB+ is a red, one-component, gun-grade, latex-based, intumescent firestop sealant. This fire barrier sealant helps control the spread of fire, smoke and noxious gases before, during and after exposure to a fire.
| Applicable Materials | Metal, Plastic |
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| Application Method | Caulk Gun |
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| Application Temperature | 40 to 122 deg F |
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| Color | Red |
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| Compositions | Zinc Borate 2335, Polymer, Water, Sodium Silicate, Ethylhexyldiphenyl Phosphate, Oxide Glass Chemicals, Iron Oxide, Polyethylene Glycol, Quartz Silica |
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| Container Type | Cartridge |
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| Form | Paste |
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| Net Content | 10.1 oz |
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| Odor/Scent | Negligible |
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| Specific Gravity | 1.35 |
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| Tensile Strength | 85 psi |
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| Viscosity | 12,000 cPs |
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| VOC Content | <=6 g/L |
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MORE DETAILS:
- 3M_100059751_SDS.pdf
- Application: For cable, metal pipe, insulated pipe, glass pipe, construction gaps, HVAC ductwork and certain plastic pipe applications
