3M CP 25WB+ Fire Barrier Sealant

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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
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Physical Properties	Metric	English	Comments

Volatile Organic Compounds (VOC) Content	>= 1.0 g/l	>= 1.0 g/l	VOC Less H2O and Exempt Solvents

Mechanical Properties	Metric	English	Comments
Hardness, Shore A	45	45	ASTM D2240
Tensile Strength at Break	0.590 MPa	85.6 psi

Thermal Properties	Metric	English	Comments
Maximum Service Temperature, Air	82.0 °C	180 °F
Minimum Service Temperature, Air	-28.0 °C	-18.4 °F
Shrinkage	28 %	28 %	Volume; ASTM C1241

Processing Properties	Metric	English	Comments
Processing Temperature	>= 4.00 °C	>= 39.2 °F	Application; ASTM C1299
	<= 50.0 °C	<= 122 °F	Application; ASTM C1299
Cure Time	30.0 - 60.0 min	0.500 - 1.00 hour	Dry to touch, RT @ 50%RH
Tack-Free Time	10.0 min	0.167 hour	RT @ 50% RH
Shelf Life	>= 2.00 Month	>= 2.00 Month

Descriptive Properties
Appearance	Red

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PMM35439 / 170186

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