DP-1051 Die Plank (High Density) DP-1051 Die Plank (High Density) is an aluminum-filled polyurethane board designed for CNC machining of production fixtures capable of withstanding extended use and handling. DP-1051 Typical Properties DP-1051 DS: Precision Board Plus (Light Density) Precision Board Plus (Light Density) Urethane is a “closed