POM
Polyoxymethylene (Acetal)
POM is a semi-crystalline engineering thermoplastic offering high stiffness, low friction, excellent dimensional stability, and outstanding wear resistance. It features excellent machinability, high fatigue strength, and good chemical resistance. Widely used for precision mechanical parts such as gears, bearings, fasteners, and automotive fuel system components.
Techinherit — With over 20 years of experience in the plastics industry, we have a professional R&D laboratory. We have developed thousands of customized material formulations and solved tens of thousands of application challenges. Holding multiple modified plastic patents, we are a manufacturing enterprise dedicated to plastic R&D, production, and sales.
Applications
Properties
Mechanical Properties
| Property | Value |
|---|---|
| Tensile Strength | 60 - 70 MPa |
| Tensile Modulus | 2,600 - 3,200 MPa |
| Elongation at Break | 25 - 40% |
| Flexural Modulus | 2,600MPa |
| Impact Strength (Charpy, notched) | 6-8 kJ/m² |
| Hardness (Rockwell) | R118 / R120 |
Thermal Properties
| Property | Value |
|---|---|
| Melting Point | 175°C |
| HDT (0.45 MPa) | 160 °C |
| HDT (1.82 MPa) | 110 °C |
| Continuous Use Temp | 90 - 100 °C |
| Flammability (UL94) | HB |
Processing Parameters
| Property | Value |
|---|---|
| Drying Temperature | 80 °C |
| Drying Time | 2 - 3 hrs |
| Melt Temperature | 190 - 230 °C |
| Mold Temperature | 60 - 100 °C |
| Injection Pressure | 70 - 120 MPa |
| Shrinkage Rate | 1.8 - 2.5% |
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POM Technical Datasheet
Download the complete technical datasheet including mechanical, thermal, and processing properties.
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