PolyFoam F-5 Flexible Casting Foam

polyfoam-f-5PolyFoam F-5 is a 1A:1B mix, self-skinning, flexible polyurethane foam that has a free-rise density of 5 lb. per cubic foot.

PolyFoam F-5 is excellent for casting functional as well as decorative objects that need to be lightweight and flexible. Can be colored with PolyColor Dyes.

Flexible foams can be poured into TinSil® or PlatSil® silicone molds or Poly 74-Series & 75-Series polyurethane rubber molds that have been coated with PolyCoat Sealer & Release Agent.

For a lower density flexible foam, consider PolyFoam F-3.


Mix Ratio Mix Viscosity Cream Time Rise Time Tack-Free Time Demold Time Free-Rise Density Molded Density
1A:1B 1,400 cP 45 sec. 3-5 min. 25 min. 30-60 min. 5 lb/ft³ 8-15 lb/ft³
Accessories: PolyColor DyesPoly Purge Aerosol Dry GasPolyCoat Sealer & Release Agent


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


Select a Kit: