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Nu-Foam™ Expanding Sealant

Item: NC-4293-04
MFR: 4293-04

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Product Info


Nu-Foam is an expanding, polyurethane, prepolymer foam that is used as a sealant and an insulating product. It is designed to seal, fill and insulate small cracks, gaps and voids. Tack free time for Nu-Foam is less than 30 minutes at 70°F and 40-50% relative humidity. Its R-Value is 4.9 per inch thick making a very good insulator in most any application and can even provide sound-deadening. Nu-Foam is UL classified and is fire retardant. Can withstand temperatures up to 240ºF.It can be used to seal and insulate areas such as openings created for refrigeration, air conditioning and heating tubes or pipes, duct joints, utility penetrations in exterior sheeting, masonry, concrete or wood walls, and other areas where unwanted air penetration might occur.


Weight1 Pound (lb.)
Width0 Inches (in)
Height0 Inches (in)
Country of OriginUSA
UPC or Barcode681001429306
Hazardous MaterialNo
EPA Cert RequiredNo
Length0 Inches (in)
ApplicationSealant and Insulation
Application TemperatureBelow 240ºF
ApprovalsNone Specified
CompositionDiphenylmethanediisocyanate,isomeres and homologues, methylenediphenyl diisocyanate, tris(2-chlorisopropyl)-phosphate, dimethyl ether, isobutane, propane
Container TypeAerosol Can
CoverageNot determined
Dry Time<30 minutes
Fire RatingFlammable aerosol
Flash Point-155 °F / -104 °C (propellant)
For Use WithHVACR
FunctionsExpanding sealant
Package Quantity12 x 9 oz. cs.
RatingsNFPA rating: Health=2, Fire=4, Reactivity=1
Service TemperatureNot determined
Shelf Life2 years
Size12 oz. can
Storage TemperatureNot determined
Temperature Range>240°F (115.5°C)
TypeFoaming sealant
UL ListedYes
UL RecognizedYes
UV ResistantNo
ViscosityNot determined
Volume12 ounces


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