PolyFoam F-3 Flexible Casting Foam

PolyFoam F-3 Flexible Casting FoamPolyFoam F-3 is a 1A:2B mix ratio (by weight), self-skinning, flexible polyurethane foam that has a free-rise density of 3 lb. per cubic foot.

PolyFoam F-3 is excellent for casting functional as well as decorative objects that need to be lightweight yet flexible. PolyColor Dyes can be used with this product.

Cast flexible PolyFoams in TinSil® or PlatSil® silicone molds. They can also be poured into Poly 74-Series & 75-Series polyurethane rubber molds that have been coated with PolyCoat Sealer & Release Agent.

For a higher density flexible foam, consider PolyFoam F-5.


Mix Ratio Mix Viscosity Cream Time Rise Time Tack-Free Time Demold Time Free-Rise Density Molded Density
1A:2B by weight 2,000 cP 25 sec. 1.5 min. 3 min. 10 min. 3 lb/ft³ 5-8 lb/ft³
Accessories: PolyColor DyesPoly Purge Aerosol Dry GasPolyCoat Sealer & Release Agent


Product Literature: Technical Bulletin | Safety Data Sheets | Sealer & Release Agent Selection Guide


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