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.
- Container Type Can
- Container Size 12 oz
- Color Amber
- Composition 20 to 40% DiphenylmethaneDiisocyanate, Isomers and Homologues, 10 to 20% 4, 4'-Methylenediphenyl Diisocyanate, 10 to 20% Tris(2-ChlorisoPropyl)-Phosphate R52/53, 5 to 10% Dimethyl Ether, 1 to 5% IsoButane, 1 to 5% Propane
- Odor/Scent Light Petroleum
- Flash Point -155 deg F
- Boiling Point -44 deg F
https://www.adhqcatalog.com/ASSETS/DOCUMENTS/ITEMS/EN/Nu-Calgon_4171-75_Brochure.pdf
- 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