| |
| Physical Properties | Original Value | Comments |
|---|
| Specific Gravity | 1.42 g/cc |
| Density | 1.42 g/cc |
| Water Absorption | 0.43 % |
| | 0.56 % |
| Moisture Absorption at Equilibrium | 0.26 % |
| | 0.28 % |
| Water Absorption at Saturation | 1.4 % |
| | 1.4 % |
| Linear Mold Shrinkage, Flow | 0.019 cm/cm
@Thickness 2.00 mm |
| | 0.016 - 0.019 cm/cm
@Thickness 3.17 mm,
Time 86400 sec |
| Linear Mold Shrinkage, Transverse | 0.019 cm/cm
@Thickness 2.00 mm |
| | 0.017 - 0.020 cm/cm
@Thickness 3.17 mm,
Time 86400 sec |
| Melt Flow | 11 g/10 min
@Load 1.05 kg,
Temperature 190 °C |
| | 21 g/10 min
@Load 2.16 kg,
Temperature 190 °C |
| | 25 g/10 min
@Load 2.16 kg,
Temperature 190 °C |
| |
| Mechanical Properties | Original Value | Comments |
|---|
| Hardness, Rockwell M | 92 |
| Hardness, Rockwell R | 120 |
| | 120 |
| Tensile Strength, Ultimate | 31.0 MPa
@Temperature 100 °C |
| | 69.0 MPa
@Temperature 23.0 °C |
| | 97.0 MPa
@Temperature -40.0 °C |
| Tensile Strength, Yield | 30.0 MPa
@Temperature 100 °C |
| | 69.0 MPa
@Temperature 23.0 °C |
| | 71.0 MPa
@Temperature 23.0 °C |
| | 97.0 MPa
@Temperature -40.0 °C |
| Elongation at Break | 23 % |
| | 28 % |
| | 12 %
@Temperature -40.0 °C |
| | 25 %
@Temperature 23.0 °C |
| | >= 250 %
@Temperature 100 °C |
| Elongation at Yield | 13 % |
| | 9.0 %
@Temperature 100 °C |
| | 9.0 %
@Temperature -40.0 °C |
| | 11 %
@Temperature 23.0 °C |
| Tensile Modulus | 3300 MPa |
| | 930 MPa
@Temperature 100 °C |
| | 3480 MPa
@Temperature 23.0 °C |
| | 3930 MPa
@Temperature -40.0 °C |
| Flexural Yield Strength | 105 MPa |
| Flexural Modulus | 830 MPa
@Temperature 100 °C |
| | 3000 MPa
@Temperature 23.0 °C |
| | 3240 MPa
@Temperature 23.0 °C |
| | 4000 MPa
@Temperature -40.0 °C |
| Shear Strength | 66.0 MPa |
| Izod Impact, Notched | 0.690 J/cm
@Temperature 23.0 °C |
| Izod Impact, Unnotched | 1630 J/m
@Temperature 23.0 °C |
| Izod Impact, Notched (ISO) | 7.00 kJ/m²
@Temperature 23.0 °C |
| | 8.00 kJ/m²
@Temperature -40.0 °C |
| Charpy Impact Unnotched | 20.0 J/cm²
@Temperature -30.0 °C |
| | 20.0 J/cm²
@Temperature 23.0 °C |
| Charpy Impact, Notched | 0.700 J/cm²
@Temperature -30.0 °C |
| | 0.800 J/cm²
@Temperature 23.0 °C |
| | 0.800 J/cm²
@Temperature -40.0 °C |
| Tensile Creep Modulus, 1 hour | 2800 MPa |
| Tensile Creep Modulus, 1000 hours | 1500 MPa |
| |
| Electrical Properties | Original Value | Comments |
|---|
| Volume Resistivity | 1.00e+14 ohm-cm |
| | 2.00e+14 ohm-cm |
| Surface Resistance | 5.00e+14 ohm |
| | >= 1.00e+15 ohm |
| Dielectric Constant | 3.8
@Frequency 100 Hz |
| | 3.8
@Frequency 1e+6 Hz |
| | 3.6
@Frequency 1e+6 Hz,
Temperature 23.0 °C |
| Dielectric Strength | 17.3 kV/mm
@Thickness 3.17 mm |
| | 32.0 kV/mm
@Thickness 1.00 mm |
| Dissipation Factor | 0.0050
@Frequency 1e+6 Hz |
| | 0.0060
@Frequency 1e+6 Hz |
| | 0.018
@Frequency 100 Hz |
| Comparative Tracking Index | 600 V |
| | 600 V
@Thickness 3.00 mm |
| |
| Thermal Properties | Original Value | Comments |
|---|
| CTE, linear | 104 µm/m-°C
@Temperature -40.0 - 30.0 °C |
| | 104 µm/m-°C
@Temperature -40.0 - 30.0 °C |
| | 120 µm/m-°C
@Temperature 23.0 - 55.0 °C |
| | 123 µm/m-°C
@Temperature 23.0 - 55.0 °C |
| | 137 µm/m-°C
@Temperature 60.0 - 105 °C |
| | 137 µm/m-°C
@Temperature 60.0 - 105 °C |
| | 149 µm/m-°C
@Temperature 105 - 150 °C |
| | 149 µm/m-°C
@Temperature 105 - 150 °C |
| CTE, linear, Transverse to Flow | 120 µm/m-°C
@Temperature 23.0 - 55.0 °C |
| | 120 µm/m-°C
@Temperature 23.0 - 55.0 °C |
| Melting Point | 178 °C |
| | 178 °C |
| Deflection Temperature at 0.46 MPa (66 psi) | 162 °C |
| | 163 °C |
| Deflection Temperature at 1.8 MPa (264 psi) | 94.0 °C |
| | 105 °C |
| UL RTI, Electrical | 50.0 °C
@Thickness 0.750 mm |
| | 110 °C
@Thickness 3.00 mm |
| | 110 °C
@Thickness 1.50 mm |
| UL RTI, Mechanical with Impact | 50.0 °C
@Thickness 0.750 mm |
| | 85.0 °C
@Thickness 1.50 mm |
| | 90.0 °C
@Thickness 3.00 mm |
| UL RTI, Mechanical without Impact | 50.0 °C
@Thickness 0.750 mm |
| | 90.0 °C
@Thickness 1.50 mm |
| | 95.0 °C
@Thickness 3.00 mm |
| Flammability, UL94 | HB
@Thickness 1.50 mm |
| | HB
@Thickness 0.750 mm |
| | HB
@Thickness 1.50 mm |
| | HB
@Thickness 0.750 mm |
| | HB
@Thickness 3.00 mm |
| | HB
@Thickness 3.00 mm |
| Oxygen Index | 23 % |
| |
| Processing Properties | Original Value | Comments |
|---|
| Melt Temperature | 215 °C |
| | 210 - 220 °C |
| Mold Temperature | 90.0 °C |
| | 80.0 - 100 °C |
| Drying Temperature | 80.0 °C |
| Dry Time | 2 - 4 hour |
| Moisture Content | <= 0.20 % |
| |
| Descriptive Properties |
|---|
| Color | Natural |
| Drying Recommended | Not normally required unless moisture content of resin exceeds recommended level |
| Features | Creep Resistance, Good |
| | Dimensional Stability, Good |
| | Fatigue Resistant |
| | Homopolymer |
| | Stiffness, High |
| | Strength, High |
| | Viscosity, Low |
| Forms | Pellets |
| Generic | Acetal (POM) Homopolymer |
| Part Marking Code | >POM< |
| Polymer Family | POM |
| Polymer Type | POM Homopolymer |
| Processing | Injection Moldable |
| Processing Method | Injection Molding |
| Product Category | Unreinforced Resins |
| Region Available | Americas |
| | Asia/Pacific |
| | Europe |
| Resin Identification | POM |
| Ultrasonic Weldable | Yes |
| Uses | Gears |
| | General Purpose |
| | Parts, Engineering |
| | Parts, Thin-walled |
Some of the values displayed above may have been converted from their original units and/or rounded in order to
display the information in a consistent format. Users requiring more precise data for scientific or engineering
calculations can click on the property value to see the original value as well as raw conversions to equivalent units.
We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding
error. We also ask that you refer to MatWeb's
terms of use regarding this information.
Click here to go back to viewing the property data in MatWeb's normal format.
