What is Polycacetal Pom-C?

What is Polycacetal Pom-C?

Polyacetal, also known as Polyoxymethylene (POM-C), is a high-performance engineering plastic known for its exceptional dimensional stability and ease of machining. This article examines the unique characteristics and diverse applications of Polyacetal, highlighting why it is a favored material in many industrial and commercial sectors.

Material Characteristics

Polyacetal (POM-C) boasts several impressive properties that make it ideal for various demanding applications:

  • Dimensional Stability: Polyacetal maintains close tolerances and ensures high precision, making it perfect for applications requiring strict dimensional accuracy.
  • Machinability: It is easy to machine to a fine surface finish, allowing for the production of intricate and precise components.
  • Abrasion Resistance: Polyacetal has outstanding resistance to abrasion, making it suitable for parts exposed to continuous wear and friction.
  • Low Moisture Absorption: This property ensures the material remains stable and maintains its mechanical properties even in humid environments.
  • Toughness: Polyacetal is highly durable and can withstand impact loads, especially at low temperatures.
  • Food Safety: It is FDA approved, making it safe for use with foodstuffs.
  • Electrical Properties: The material exhibits good electrical insulation properties, making it suitable for electrical applications.

Applications of Polyacetal (POM-C)

Polyacetal's robust characteristics make it a versatile material used in numerous industries. Here are some of its key applications:

1. Precision Parts

Polyacetal is extensively used for manufacturing precision parts that require tight tolerances and high dimensional stability. Its machinability ensures that components can be produced to exact specifications.

2. Bearings and Gears

The material's excellent sliding properties and wear resistance make it ideal for bearings and gears. Polyacetal components operate smoothly, reducing friction and extending the lifespan of machinery.

3. Pulleys

In mechanical systems, Polyacetal pulleys benefit from the material's toughness and low friction. They contribute to efficient power transmission and reduce wear on associated components.

4. Rollers

Rollers made from Polyacetal offer low friction and high wear resistance, making them suitable for conveyor systems and other applications involving continuous movement and load-bearing.

5. Valve Seats and Bushes

Polyacetal's chemical resistance and dimensional stability make it an excellent choice for valve seats and bushes. These components benefit from the material's ability to maintain performance in challenging environments.

6. Star Wheels and Change Parts

In food processing and packaging industries, Polyacetal is used to manufacture star wheels and change parts. Its FDA approval ensures safety for direct contact with food products, and its wear resistance guarantees durability.


Polyacetal (POM-C) is a highly versatile and durable engineering plastic, recognised for its exceptional dimensional stability, machinability, and wear resistance. Its low moisture absorption and toughness at low temperatures further enhance its suitability for a wide range of applications. Whether in the production of precision parts, bearings, gears, or components for food processing, Polyacetal stands out as a reliable and efficient material.

As industries continue to advance and demand higher performance materials, the use of Polyacetal is expected to grow. Its combination of strength, precision, and versatility ensures that Polyacetal remains a cornerstone material for engineering and manufacturing applications across various sectors.

Polyacetal’s robust properties and diverse applications underscore its critical role in modern engineering, making it an indispensable material for achieving innovation and efficiency in manufacturing processes.

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