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Types of Plastic for CNC Machining

CNC machined plastics are widely used in every major industry from construction to automotive. Listed below are the types of plastics that Xometry offers for on-demand custom manufacturing. You can learn more about specific material properties and applications on each page.

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Machining Plastics Offered

CNC plastics can be used for a range of parts from prototypes to engineering models to end-use components. While plastics can be hard to machine, oftentimes their light weight and denseness paired with simple geometries may be more suitable to machining than 3D printing or injection molding. Many of the following materials are extremely durable with high fatigue resistance, inertness, and shock absorbance. Other plastics are general-use materials that are more easily machined and are therefore suitable for testing designs at a low cost, like ABS. Depending on the nature of your project, machined plastic may the best material for your custom parts. Explore our materials in depth below:

  • HDPE for CNC machining
  • Acetal (Delrin) for CNC machining
  • Polypropylene for CNC machining
  • UMHW-PE for CNC machining
  • Nylon 6/6 for CNC machining
  • Acrylic for CNC machining
  • ABS for CNC machining
  • Polycarbonate for CNC machining
  • PEEK for CNC machining
  • PTFE-Teflon for CNC machining
  • Garolite G-10 for CNC machining
  • PVC for CNC machining

Finishes and Post-Processing Options

We offer a wide range of surface finishes applicable to these plastics including: 

  • Bead Blasting
  • Tumbled
  • Powder coat
  • Vapor polishing
  • Custom: we evaluate custom requests on a case-by-case basis.
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