FM™, which stands for Firm Material, is a 65 durometer, heat moldable EVA. It is grindable and is one of the highest sources of rigidity for orthoses, short of plastic. Use FM™ for the bottom-most, arch filler of foot orthoses. It works equally well as a mid-sole or split-sole wedge.
Durometer: 65 Shore A (±5)
Sheet Size: 37" x 30"
Molding Temperature: 275°-300° F 4-5 min.
Available Colors: Black, White
Uses: Base and center core of foot orthotics, midsoles and heavy posting