PolyFoam F-3 is a 1A:2B mix (by weight) polyurethane self-skinning flexible foam that has a free-rise density of 3 lb per cubic foot. PolyFoam flexible foams are excellent for casting functional as well as decorative objects that need to be lightweight yet flexible.
Generally PolyFoam products are poured into TinSil or PlatSil silicone molds or PolyCoated Poly 74 & 75 Series polyurethane rubber molds.

Mixing Ratio: 1A:2B by Weight
Cream Time: 25 Seconds
Rise Time: 1.5 Minutes
Demold: 10 Minutes
Contains 1 Pint (1lb) Part A and 1 Quart (2lbs) Part B

Technical Data: PolyFoam F-3 Datasheet
PolyFoam F-3 Part A MSDS      PolyFoam F-3 Part B MSDS