Which plastics are best for high-precision parts?

DJ proto specialized in machined parts both for metal and plastic material, here we would like to introduce which plastics are best for high-precision parts.

Polymethyl methacrylate (PMMA, acrylic): PMMA is a transparent plastic with excellent optical properties and surface finish, suitable for manufacturing high-precision optical parts and parts with high appearance requirements.

Polytetrafluoroethylene (PTFE, polytetrafluoroethylene): PTFE has excellent chemical inertness, wear resistance and low friction coefficient, suitable for manufacturing seals and lubricating parts with high precision requirements.

Nylon: Nylon has good mechanical properties, wear resistance and chemical resistance, suitable for manufacturing high-precision mechanical parts and engineering parts.

Polytetrachloroethylene (PVC): PVC has good dimensional stability and mechanical properties, suitable for manufacturing high-precision piping systems, wire ducts and components.

Polystyrene (PS): PS has excellent surface finish, rigidity and insulation properties, suitable for manufacturing high-precision appearance parts and electronic product housings.

These plastic materials can provide excellent processing performance and dimensional stability during CNC machining, suitable for manufacturing parts with high precision requirements. When selecting plastic materials, the most suitable material type should be determined based on the specific application requirements and part functions.