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Polyoxymethylene (POM), commonly known as acetal, is a high-performance engineering plastic known for its excellent mechanical properties and low friction characteristics. It is produced through the polymerization of formaldehyde and is available in both homopolymer and copolymer forms. POM is widely recognized for its durability, stiffness, and resistance to wear, making it suitable for precision parts in various applications.
| Material Type | Homopolymer and copolymer |
| Color | Natural, black, and custom colors |
| Density | 1.41 to 1.43 g/cm³ |
| Melting Point | 160 to 175 °C |
| Tensile Strength | 50 to 70 MPa |
| Water Absorption | 0.2 to 0.5% |
| Thermal Conductivity | 0.2 to 0.3 W/m·K |
When selecting POM, consider the specific application requirements such as mechanical load, temperature resistance, and environmental exposure. Specify whether you need homopolymer or copolymer grades, as well as any necessary certifications or compliance with industry standards. It's also important to define the desired color and any particular tolerances required for your project. Quantities can vary based on the supplier, so be clear about your needs when requesting a quote.
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POM offers high strength, low friction, and excellent dimensional stability.
POM is resistant to many solvents but can be affected by strong acids and bases.
Certain grades of POM are FDA compliant and suitable for food contact.
POM can typically operate in temperatures from -40 °C to 100 °C.
POM can be processed using injection molding, extrusion, and machining.
The lifespan varies by application but can exceed several years under normal conditions.