Materials cut powder waste for 3D printing

EOS has introduced two new powder materials for 3D printing of plastic components that it says have ecological compatibility, high technical performance and low manufacturing costs.

Significantly more of its PrimePart Plus (PA 2221) material can be recycled after it has been in a build chamber. Conventional plastic materials are usually refreshed for the next build cycle with 50% or more new powder needed, whereas for PA 2221 it is 30%, resulting in less wasted powder.

The second plastic material, PA 1101, is a natural-colour polyamide 11 characterised by high elongation at break and good impact resistance combined with a balanced performance profile. Less non-renewable resources are used in the production of this material compared with polyamide 12.

The material is particularly suitable for applications where the finished product contains functional elements that require high material ductility, such as integral hinges, as well as for parts that need high impact resistance.

Justin Cunningham

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