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Nu-Calgon 4293-04 - Nu-Foam® Expanding and Insulating Sealant - 12 Ounce Aerosol

Item: 4293-04
MFR: 4293-04
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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.
  • Yields 352 linear feet (medium can) and 780 linear feet (large can) of 3/8" bead.
  • Tack-free in 30 minutes and dries in 4 hours
  • Insulates against heat loss and heat gain
  • Fire retardant
  • UL classified
  • Two year shelf life
  • No CFC's, No HCFC's


NameNu-Calgon 4293-04 - Nu-Foam® Expanding and Insulating Sealant - 12 Ounce Aerosol
Gemaire Item Number4293-04
Manufacturer Product Number4293-04
SKU - PIM Number1372691416208
ERP Number223794
Unit of MeasureEA
Weight1.0 Pounds (Lb)
Length2.5 Inches (In)
Width2.5 Inches (In)
Height8.5 Inches (In)
Country of OriginUSA
Application Temperature<240°F (115.5°C)
Dry Time<30 minutes
Flash Point-155 °F / -104 °C (propellant)
Shelf Life2 years
Solids ContentFoam
Storage Temperature<120°F (48.8°C)
UV ResistantNo
ApplicationSealant and Insulation
BaseDiphenylmethanediisocyanate,isomeres andhomologues
CompositionDiphenylmethanediisocyanate,isomeres and homologues, methylenediphenyl diisocyanate, tris(2-chlorisopropyl)-phosphate, dimethyl ether, isobutane, propane
Fire RatingFlammable aerosol
For Use WithHVACR
FunctionsExpanding Sealant
RatingsNFPA rating: Health=2, Fire=4, Reactivity=1
Size12 oz. can
Temperature Range>240°F (115.5°C)
TypeFoaming sealant
Volume12 ounces
UL ListedYes
UL RecognizedYes
Container TypeAerosol Can
GEM - Case Quantity


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