| Material | POM |
| Processing | CNC milling |
| Surface Finish | Electroplating, painting |
| Application | Insulators |
Machined polyoxymethylene (POM) insulator components provide electrical insulation, mechanical support, and dielectric isolation in a wide range of devices.
You will find them in applications where both structural strength and insulation are essential — from supporting PCBs and separating conductive parts, to insulating sensitive sensors and connectors.
POM (Polyoxymethylene), also known as acetal, is a high‑performance thermoplastic that’s widely used for precision insulating parts in the electronics industry. It offers high stiffness, excellent durability, and low friction, making it ideal for components that need both strength and precision.
From an electrical perspective, POM has strong dielectric strength and very low moisture absorption, ensuring stable insulation even in humid or changing climates. This is critical for electronics manufacturers seeking reliable performance in varied environments.
POM insulators also meet UL94 V‑0 flammability ratings, giving them an extra layer of safety for applications where fire resistance matters. Compared to other plastics, POM stands out for its combination of mechanical strength, chemical resistance, and long‑term dimensional stability, which means fewer failures and longer service life in electronic assemblies.
Common advantages over other plastics for electronic insulators:
CNC milled POM parts are widely used as electrical insulators across the electronics industry because they combine precision with durability. Common applications include:
POM performs well in varied operating conditions, whether in sealed indoor units or exposed environments. It holds its dielectric strength in high humidity, resists swelling due to low moisture absorption, and maintains dimensional stability under temperature shifts common in consumer electronics, control panels and industrial systems. This reliability ensures long service life even under continuous electrical load.
We offer full flexibility for POM plastic machining parts for the electronics industry. Whether you need specific sizes, complex shapes, or particular surface finishes, we can produce them to match your exact requirements.
We support a range of common CAD file formats used in the electronics sector, including STEP, IGES, and DXF, so getting your design to us is straightforward. Whether it’s a one-off prototype or full-scale production run, we can adapt the design process to suit your project needs.
What we offer in customisation:
This approach ensures your custom plastic insulators for electronics are built for optimal performance in real-world conditions while keeping costs and lead times in check.
| Feature | Advantage For You |
|---|---|
| High-precision CNC milling | Tolerances down to ±0.01 mm |
| Multi-axis (3, 4, 5) milling | Complex shapes and fine details possible |
| Skilled engineers | Designs optimised for strength, fit, and insulation performance |
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Whether it’s a small batch of complex components or mass production of standardized parts, Chiheng is fully equipped to handle diverse manufacturing demands with agility and precision.
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