Acetal (POM)
Engineering Precision and Reliability
Acetal, or Polyoxymethylene (POM), is a highly crystalline thermoplastic with outstanding mechanical properties, including high strength, stiffness, and excellent dimensional stability. Known for its low friction and wear characteristics, POM is ideally suited for precision parts requiring high resistance to fatigue, solvents, and moisture. Its balance of properties makes it a popular choice in mechanical and engineering applications.
Common Brand Names
These brands are leaders in producing high-quality Acetal resins, offering various grades tailored to specific performance requirements.
- Delrin® by DuPont
- Celcon® by Celanese
- Kepital® by KEPCO
- Ultraform® by BASF
Moldability Characteristics
Excellent Machinability
Acetal can be easily machined to tight tolerances, suitable for intricate and precision components.
Good Processability
POM can be injection molded, extruded, or blow molded, allowing for a wide range of part designs and applications.
Low Moisture Absorption
Its low moisture absorption contributes to outstanding dimensional stability and mechanical properties consistency.
Mechanical Properties
High Mechanical Strength and Stiffness
Acetal exhibits excellent tensile strength and rigidity, maintaining its properties over a wide temperature range.
Superior Fatigue Resistance
It has excellent resistance to cyclic loads, making it ideal for parts subjected to repeated stress.
Low Friction and Wear
POM’s low coefficient of friction and good wear resistance make it suitable for moving and sliding components.
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Precision Gears and Bearings
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Electrical Components
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Medical Devices
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Consumer Products
Precision Gears and Bearings
Utilized in automotive and industrial machinery for its low friction, wear resistance, and strength.
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Electrical Components
Offers electrical insulation properties suitable for connectors, insulators, and parts in electronic devices.
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Medical Devices
Used in non-implantable medical devices, drug delivery systems, and surgical instruments due to its biocompatibility and sterilizability.
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Consumer Products
Applied in mechanical parts of watches, locks, and sporting goods for its durability and reliable performance.
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Precision Gears and Bearings
Utilized in automotive and industrial machinery for its low friction, wear resistance, and strength.
Learn More
Electrical Components
Offers electrical insulation properties suitable for connectors, insulators, and parts in electronic devices.
Learn More
Medical Devices
Used in non-implantable medical devices, drug delivery systems, and surgical instruments due to its biocompatibility and sterilizability.
Learn More
Consumer Products
Applied in mechanical parts of watches, locks, and sporting goods for its durability and reliable performance.
Learn More 
Why Choose Acetal (POM)
Choosing Acetal (POM) for your engineering applications means opting for a material that ensures precision, durability, and consistent performance.
Its excellent mechanical properties, coupled with superior wear and moisture resistance, make it an ideal choice for components requiring high precision and long service life. Whether for automotive, industrial, or consumer products, Acetal offers the reliability and quality needed for demanding applications.