Foams: Rigid and Flexible Foams from Smooth-On

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Rigid & Flexible Polyurethane Foams

Foam-iT!™ Series Rigid Urethane Foams

Smooth-On’s FOAM-iT!Ô Series consists of two-component rigid foams that are versatile and easy to use. FOAM-iT! products are available in 3lb., 5 lb., 8 lb., 10 lb. or 15 lb. per cubic foot densities. Parts A + B are mixed in equal amounts by volume (1A: 1B) and are poured into a mold or other form (apply release agent if necessary). Mixture will expand many times original volume (depending on which FOAM-iT! product you are using) and develop a uniform cell structure. Foam becomes tack free in about 4 - 6 minutes, develops handling strength in 20 minutes and fully cures in 2 hours. Note: FOAM-iT!™ 8 is measured and mixed 2A:1B by weight.

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FlexFoam-iT!™ Series Flexible Urethane Foams

FlexFoam-iT!™ III, V, X & 25 flexible foams are available in 3, 5 and 10 lbs. densities. They are two-component flexible foams that are strong, versatile and easy to use. A + B mixture expands many times its original volume. Vibrant colors can be achieved by adding color pigments. Ideal for arts, crafts, industrial and specials effects applications including padding/cushion material and gasket material

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The Difference Between Foams

Smooth-On's urethane foams have numbers describing their respective densities. The number refers to the amount of foam in pounds that is contained in a cubic foot. The higher the number, the more dense the foam, and the less the expansion. Foams with lesser densities expand at greater rates.

Two 4-oz. cups (Parts A + B of foam) . . .

will expand in the 34-oz. container as shown
above. From left to right: Foam-iT! 3,
Foam-iT! 5, Foam-iT! 10 and Foam-iT! 15.
(Click on the photo for an enlarged view.)

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