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Material Use

Metal injection molding uses very fine metal powders (generally less than 45 micrometers and often even less than 10 micrometers). The metal powders are blended with a polymer or a wax-based binder.

This process is also used for precisions forming of ceramics. The raw material, such as alumina, zirconia, silicon nitride, or silicon carbide, is mixed with a binder, such as thermoplastic polymer (polypropelene, low-density polyethylene,ethelene vinyl acetate, or wax). The binder is usually removed by pyrolysis.

The following table shows a list of metallic and ceramic materials and their ranking as to how suitable they are for the process.

Again, the scaling is from zero to 100, where a ranking of 100 means that the material is perfect for the given process.