PrimeCast 101, a grey powder on polystyrene basis, is suited especially for investment casting due to its excellent dimensional accuracy and its low melting point. Laser-sintered parts made from PrimeCast 101 possess excellent material properties: - excellent dimensional accuracy - very high surface quality - good strength for use as lost pattern The typical application for PrimeCast 101 is the production of lost patterns for the plaster and ceramic shell casting process. The material is optimised for minimum residue ash content after burning-out. Another application for PrimeCast 101 is the production of master patterns for vacuum casting, herby it is advised to infiltrate the parts with e.g. epoxy resin.