A 5 lb. density flexible polyurethane foam which expands and produces a seat cushion-like density. The finished results will produce light weight castings and will expand approximately 10X. May also be colored with the addition of urethane tints. Mixture ratio is 3B:1A by weight. Use of a drill mixer is recommended.
- Polyurethane Flexible Foam is available in 1 quart (3 lb. net weight) sets, 1 gallon (10 lb. net weight) sets, and 5 gallon (56 lb. net weight) sets.
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