Sinterable metal or ceramic feedstock materials used in fused deposition modeling are usually employed in filament or granulated form depending on the 3D printing system. Similar to PIM feedstocks, these feedstock materials are highly filled thermoplastic binders containing usually more than 80 percent by weight metal or ceramic powder. The 3D printed green parts also go through post-processing steps similar to that of PIM to produce the full metal or ceramic part.
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