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We formulated this firestop sealant to dry and form a monolithic 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.
3M™ Fire Barrier Sealant, 27 fl-oz Net Content, Cartridge Container, Composition: Water, Zinc Borate 2335, Polymer (NJTS Reg. No. 04499600-7270), Sodium Silicate, Ethylhexyldiphenyl Phosphate, Iron Oxide, Oxide Glass Chemicals, Polyethylene Glycol, Di-2-ethylhexlphenyl Phosphate, Quartz Silica, Triphenyl Phosphate, Paste Form, Red, Odorless Odor/Scent, Dry Time: 30 to 60 min, 7.5 to 8 pH, 1.35 Specific Gravity, Boiling Point: 100 deg C, <=0.5 % VOC, Latex Base, 12 months Shelf Life, 45 Hardness, Fire/Smoke Rating: 0 Flame, Flammability Limit: 1, Applicable Materials: Metal, Plastic, 85 psi Tensile Strength, Evaporation Rate: 0.33, 40 to 122 deg F
| Applicable Materials | : | Metal, Plastic |
| Base Type | : | Latex |
| Boiling Point | : | 100 deg C |
| Color | : | Red |
| Composition | : | Water, Zinc Borate 2335, Polymer (NJTS Reg. No. 04499600-7270), Sodium Silicate, Ethylhexyldiphenyl Phosphate, Iron Oxide, Oxide Glass Chemicals, Polyethylene Glycol, Di-2-ethylhexlphenyl Phosphate, Quartz Silica, Triphenyl Phosphate |
| Container Type | : | Cartridge |
| Dry Time | : | 30 to 60 min |
| Evaporation Rate | : | 0.33 |
| Fire/Smoke Rating | : | 0 Flame |
| Flammability Limit | : | 1 |
| Form | : | Paste |
| Hardness | : | 45 |
| Net Content | : | 27 fl-oz |
| Odor/Scent | : | Odorless |
| Shelf Life | : | 12 months |
| Specific Gravity | : | 1.35 |
| Temperature Rating | : | 40 to 122 deg F |
| Tensile Strength | : | 85 psi |
| VOC Content | : | <=0.5 % |
| pH Range | : | 7.5 to 8 |
- Sag-resistant properties offer clean application as well as strong adhesion in both wall and floor applications
- Water-based and paintable sealant provides easy application and clean-up
- Sealant is re-enterable and repairable
- Fire resistance tested for static construction joint systems in accordance with ASTM E 1966 (UL 2079)
- Sealant helps minimize sound transfer
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