Precision Board High Density Urethane (PBHT) is a “closed cell” rigid urethane foam board made specifically for applications of up 300º F continuous exposure. PBHT High Density Urethane foam board is available in a wide range of standard sheet sizes and standard densities and can be cut or bonded into a variety of shapes for final machining or shaping. You can get a free sample or request a quote. Technical support is available at 800-845-0745.