Engineering Thermoplastic
POM (Delrin) — Polyoxymethylene
POM (Acetal) combines high stiffness, dimensional stability, low friction, and excellent machinability. Delrin (POM-H homopolymer) is the industry standard for precision mechanical components.
POMPOM-CPOM-HAcetalDelrinHostaformTecaformDuracon
Manufacturers
4
Grades
5
Applications
5
Equivalents
2
Physical Properties
- Density
- 1.41 g/cm³
- Water Absorption (24h)
- 0.25 %
- Transparency
- Opaque
- Shrinkage
- 1.8 – 2.5 %
Mechanical Properties
- Young's Modulus
- 3.1 GPa
- Tensile Strength
- 70 MPa
- Flexural Strength
- 100 MPa
- Impact Strength (Izod)
- 70 J/m
- Elongation at Break
- 25 %
Thermal Properties
- Melting Point
- 175 °C
- Continuous Service Temperature
- 100 °C
- Heat Deflection Temperature
- 110 °C
Electrical Properties
- Dielectric Constant
- 3.7
- Volume Resistivity
- 10¹⁴ Ω·cm
Chemical Resistance
- Acids
- Poor
- Bases
- Excellent
- Solvents
- Excellent
- UV Resistance
- Fair
Sustainability
- Recyclability
- Recyclable
- Recycling Code
- 7
- Carbon Footprint
- ~4 kg CO₂e / kg
Manufacturing compatibility
Injection MoldingExtrusionCNC Machining
Applications
Precision gears
Bushings & bearings
Conveyor components
Plumbing fittings
Zippers
Available grades
POM-C NaturalPOM-H (Delrin)POM GF25POM PTFEPOM Food Grade