Selective Laser Sintering DTM Corp.'s Sinterstation's uses fusible powder and directed laser heat to build and fuse the prototype, layer by layer Materials include DuraFlex Unfilled Nylon 12,DuraFlex GlassFilled Nylon 12, and Somos 201 RubberLike. Below is a brief description of each material we offer, as well as a link to the specification page which gives the exact properties of each material. DuraFlex Nylon 12: This material produces parts with excellent stiffness, heat resistance, surface appearance, and finish. Click here for DuraFlex Nylon 12 material specifications. Somos 201: This is an elastometric polymer that produces highly flexible parts with outstanding "rubber-like" characteristics. Depending on your exact needs this material may be used in place of urethane, silicone or rubber parts. Click here for Somos 201 material specifications. Distinct advantages include producing parts with intricate and or complex geometry's, limited accessibility, strong materials.