Easy 1A:1B mixing ratio for your rigid foam applications. May be pigmented with PolyColor (See Additives).
PolyFoam R-5 is a 1:1 mix (by weight or volume) polyurethane self-skinning rigid foam that has a free-rise density of 5 lb per cubic foot. PolyFoam rigid foams are excellent for casting functional as well as decorative objects that n...