FOAM-iT!™ 4
4 lb. Rigid Urethane Expanding Foam
Smooth-On’s FOAM-iT!™ Series are two-component water blown rigid foams that are versatile and easy to use. FOAM-iT!™ products are available in 3lb., 4 lb., 5 lb., 8 lb., 10 lb.,15 lb. or 26 lb. per cubic foot densities. Parts A and B are measured and mixed in equal amounts by volume. The mixture is then poured into a mould or other form (apply release agent if necessary). The mixture will expand many times original volume (depending on which FOAM-iT!™ product you are using) and develop a uniform cell structure. FOAM-IT!™ 4 is tack-free in about 4 - 6.5 minutes, developing handling strength in 20 minutes and full cure in 2 hours.
Quick Tech Data
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1A:1B
Mix Ratio By Volume
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100A:87B
Mix Ratio By Weight
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1.5 minutes
Pot Life
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2 hours
Cure Time
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Beige
Colour
All FOAM-iT!™ products can be used as a straight casting material, backfill material for hollow castings (adds structural strength) or as an encapsulation material, etc. They can be colour pigmented with SO-Strong®, UVO™ or IGNITE™ colorants and are used for a variety of art/ craft, industrial design and special effects applications.
Videos
How To Make a Custom Foam Seat Using Pourable Urethane Foam
