Castable Wax 40 Resin is a 40% wax-filled material that offers the easiest workflow on the market for 3D printing and casting challenging, highly detailed designs, from intricate bridal jewelry to large demanding pieces. It supports a wide range of casting conditions and gypsum investments, has low expansion, and burns out cleanly.

Note: Castable Wax 40 Resin is not available on the Form 4/4B printers. Castable Wax Resin continues to be available on Form 4/4B printers. 

Note: Castable Wax 40 Resin will no longer be available for direct purchase beginning on Sunday, March 1, 2026. Formlabs recommends switching to True Cast Resin V1 or Castable Wax Resin V1. Visit our support site for more information.