Smooth-On FlexFoam-iT 15 Tuff Stuff 3 Gallon Kit

Availability: In stock (2)

FlexFoam-iT!® III, IV, V, 6, 7FR, VIII X, 14, 17 & 25 water blown flexible polyurethane foams are available in 3, 5, 7, 8, 10, 14, 15, 17 and 25 pound densities. They are two-component castable 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.


Has a relatively long, 2 minute pot life.

Tuff Stuff” foam is exceptionally strong.


Mix Ratio By Volume 1A:2B

Mix Ratio By Weight 100A:185B

Specific Gravity 0.24 g/cc

Specific Volume 115 cu. in./lb.

Pot Life 2 minutes

Handling Time 90 minutes

Cure Time 4 hours

Expansion (approximate) 4 times

Foam Density 15 lb/ft³ Color White

Mixed Viscosity 1,000 cps

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