Polyoxymethylene [Acetal] (POM): High-Speed, Low Drag

Plastics have revolutionized modern manufacturing and have become an integral part of our daily lives. One such versatile and high-performance material is Polyoxymethylene (POM), commonly known as acetal. POM plastic boasts an array of exceptional properties that make it an ideal choice for various applications across diverse industries.

Outstanding Mechanical Properties

POM plastic is renowned for its excellent mechanical properties, making it a preferred choice for engineering applications. It exhibits high stiffness, strength, and dimensional stability, which contribute to its ability to withstand heavy loads and impact forces. Moreover, POM's low coefficient of friction and excellent wear resistance further enhance its suitability for parts subjected to frictional contact.

Exceptional Chemical Resistance

Another advantage of POM plastic is its remarkable resistance to various chemicals, including solvents, fuels, and alkalis. Unlike many other plastics, POM retains its structural integrity and mechanical properties when exposed to a wide range of harsh substances, making it suitable for applications where chemical exposure is a concern.

Low Moisture Absorption

POM has low moisture absorption compared to other engineering plastics like nylon. This property ensures that POM retains its dimensional stability and mechanical strength even in humid or wet environments. Consequently, it is an excellent material choice for applications where exposure to moisture is inevitable.

High Heat Resistance

With a relatively high melting point (around 175°C to 185°C), POM plastic can withstand elevated temperatures without losing its mechanical properties. This heat resistance makes it suitable for applications where components may be exposed to high-temperature environments.

Ease of Machining

POM's low coefficient of friction and excellent machinability allow for easy and precise fabrication. It can be milled, turned, and drilled with relative ease, making it a preferred material for complex and intricate parts used in various industries.

Recyclability

An important aspect of POM is that it is 100% recyclable, which adds to its value in the context of environmental sustainability. This recyclability factor, combined with its durable properties, makes it an attractive choice for various industries​​​​.

Benefits of POM Plastic:

• Automotive Industry: POM is widely used in automotive components such as fuel system parts, gears, and door handles due to its excellent wear resistance and durability.
• Electrical Industry: The material's outstanding electrical insulating properties make it suitable for applications in the electrical industry, such as connectors and insulators.
• Consumer Goods: POM is used in various consumer goods like zippers, buckles, and pens, owing to its low friction and smooth surface finish.
• Medical and Healthcare: POM's resistance to chemicals and sterilization processes makes it suitable for applications in medical devices and equipment.
• Engineering Components: From gears and bearings to conveyor belts and snap-fit fasteners, POM is widely used in a plethora of engineering components due to its exceptional mechanical properties.

Conclusion

Polyoxymethylene (POM) plastic is a remarkable engineering material with a myriad of advantageous properties. Its outstanding mechanical strength, chemical resistance, low moisture absorption, and heat resistance make it an ideal choice for various applications in industries ranging from automotive to healthcare. With its versatility, ease of machining, and durability, POM continues to play a vital role in advancing technology and enhancing our everyday lives.

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Sources:

[1] Polyoxymethylene (Acetal plastic): POM structure & Material Properties. (n.d.). https://omnexus.specialchem.com/selection-guide/polyacetal-polyoxymethylene-pom-plastic#:~:text=Polyacetal%20is%20a%20formaldehyde,recyclable

[2] Markus. (2022, September 29). POM - Plasticprop. Plasticprop. https://www.plasticprop.com/materials/pom/

[3] Schierz, O., Schmohl, L., Hahnel, S., & Rauch, A. (2021). Polyoxymethylene as material for Removable Partial Dentures—A Literature Review and Illustrating case report. Journal of Clinical Medicine, 10(7), 1458. https://doi.org/10.3390/jcm10071458