... part life from herePrototyping Way Material Tolerance Stereolithography (SLA) Technician's Choice, Semi-Flexible, PE-Like Durable, PP-Like,ABS ... ,PP,PU,PC,PA66,PMMA,PVC,PVE, aluminum Zinc alloy, copper, iron, steel. +/- 0.005" Fused Deposition Modeling (FDM) ... Carbon Steel, 17-7 PH, Brass, Phosphor Bronze, Copper, Nickel Alloys, Beryllium Copper +/-0.005”Furface treatment:Paint, polish, print, anodize, ...