Maybe, we use a variety of urethane rubber A/B products... usually for the outer surface on a mold with poor draft angles, or one that needs to...
three part mold cores/dissolvable cores.... was hoping for something in the 10 to 20 lb/ft3 range....
While this is not directly a boat building project, I thought I might find some foam expertise around here. I am looking for a high density...
