|
Physical Properties | Metric | English | Comments |
---|
Density | 1.42 g/cc | 0.0513 lb/in³ |
Water Absorption | 0.25 % | 0.25 % |
Moisture Absorption at Equilibrium | 0.20 % | 0.20 % |
| 0.22 % | 0.22 % |
Water Absorption at Saturation | 0.90 % | 0.90 % |
| 0.90 % | 0.90 % |
Linear Mold Shrinkage, Flow | 0.021 cm/cm @Thickness 2.00 mm | 0.021 in/in @Thickness 0.0787 in |
Linear Mold Shrinkage, Transverse | 0.019 cm/cm @Thickness 2.00 mm | 0.019 in/in @Thickness 0.0787 in |
Melt Flow | 1.0 g/10 min @Load 1.05 kg, Temperature 190 °C | 1.0 g/10 min @Load 2.31 lb, Temperature 374 °F |
| 1.9 g/10 min @Load 2.16 kg, Temperature 190 °C | 1.9 g/10 min @Load 4.76 lb, Temperature 374 °F |
| 2.2 g/10 min @Load 2.16 kg, Temperature 190 °C | 2.2 g/10 min @Load 4.76 lb, Temperature 374 °F |
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Mechanical Properties | Metric | English | Comments |
---|
Hardness, Rockwell M | 92 | 92 |
| 94 | 94 |
Hardness, Rockwell R | 120 | 120 |
| 120 | 120 |
Tensile Strength, Ultimate | 36.0 MPa @Temperature 100 °C | 5220 psi @Temperature 212 °F |
| 48.0 MPa @Temperature 70.0 °C | 6960 psi @Temperature 158 °F |
| 69.0 MPa @Temperature 23.0 °C | 10000 psi @Temperature 73.4 °F |
Tensile Strength, Yield | 72.0 MPa @Temperature 23.0 °C | 10400 psi @Temperature 73.4 °F |
Elongation at Break | 40 % | 40 % |
| 70 % | 70 % |
| 75 % @Temperature 23.0 °C | 75 % @Temperature 73.4 °F |
| 230 % @Temperature 70.0 °C | 230 % @Temperature 158 °F |
| >= 250 % @Temperature 100 °C | >= 250 % @Temperature 212 °F |
Elongation at Yield | 25 % | 25 % |
Tensile Modulus | 3.00 GPa | 435 ksi |
| 2.80 GPa @Temperature 23.0 °C | 406 ksi @Temperature 73.4 °F |
Flexural Yield Strength | 99.0 MPa | 14400 psi |
Flexural Modulus | 0.900 GPa @Temperature 100 °C | 131 ksi @Temperature 212 °F |
| 1.55 GPa @Temperature 70.0 °C | 225 ksi @Temperature 158 °F |
| 2.80 GPa @Temperature 23.0 °C | 406 ksi @Temperature 73.4 °F |
| 2.90 GPa @Temperature 23.0 °C | 421 ksi @Temperature 73.4 °F |
Shear Strength | 66.0 MPa | 9570 psi |
Izod Impact, Notched | 0.960 J/cm @Temperature -40.0 °C | 1.80 ft-lb/in @Temperature -40.0 °F |
| 1.23 J/cm @Temperature 23.0 °C | 2.30 ft-lb/in @Temperature 73.4 °F |
Izod Impact, Unnotched | NB @Temperature 23.0 °C | NB @Temperature 73.4 °F |
Izod Impact, Notched (ISO) | 8.00 kJ/m² @Temperature -40.0 °C | 3.81 ft-lb/in² @Temperature -40.0 °F |
| 12.0 kJ/m² @Temperature 23.0 °C | 5.71 ft-lb/in² @Temperature 73.4 °F |
Charpy Impact Unnotched | 35.0 J/cm² @Temperature -30.0 °C | 167 ft-lb/in² @Temperature -22.0 °F |
| NB @Temperature 23.0 °C | NB @Temperature 73.4 °F |
Charpy Impact, Notched | 1.10 J/cm² @Temperature -30.0 °C | 5.24 ft-lb/in² @Temperature -22.0 °F |
| 1.40 J/cm² @Temperature 23.0 °C | 6.66 ft-lb/in² @Temperature 73.4 °F |
Tensile Impact Strength | 358 kJ/m² | 170 ft-lb/in² |
Tensile Creep Modulus, 1 hour | 2800 MPa | 406000 psi |
Tensile Creep Modulus, 1000 hours | 1500 MPa | 218000 psi |
|
Electrical Properties | Metric | English | Comments |
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Volume Resistivity | 1.00e+15 ohm-cm | 1.00e+15 ohm-cm |
| 1.00e+15 ohm-cm | 1.00e+15 ohm-cm |
Surface Resistance | >= 1.00e+15 ohm | >= 1.00e+15 ohm |
Dielectric Constant | 3.8 @Frequency 100 Hz | 3.8 @Frequency 100 Hz |
| 3.8 @Frequency 1e+6 Hz | 3.8 @Frequency 1e+6 Hz |
| 3.7 @Frequency 1e+6 Hz, Temperature 23.0 °C | 3.7 @Frequency 1e+6 Hz, Temperature 73.4 °F |
Dielectric Strength | 19.7 kV/mm @Thickness 2.30 mm | 500 kV/in @Thickness 0.0906 in |
| 32.0 kV/mm @Thickness 1.00 mm | 813 kV/in @Thickness 0.0394 in |
Dissipation Factor | 0.0050 @Frequency 1e+6 Hz | 0.0050 @Frequency 1e+6 Hz |
| 0.0050 @Frequency 1e+6 Hz | 0.0050 @Frequency 1e+6 Hz |
| 0.018 @Frequency 100 Hz | 0.018 @Frequency 100 Hz |
Comparative Tracking Index | 600 V | 600 V |
| 600 V @Thickness 3.00 mm | 600 V @Thickness 0.118 in |
|
Thermal Properties | Metric | English | Comments |
---|
CTE, linear | 120 µm/m-°C @Temperature 23.0 - 55.0 °C | 66.7 µin/in-°F @Temperature 73.4 - 131 °F |
| 120 µm/m-°C @Temperature 23.0 - 55.0 °C | 66.7 µin/in-°F @Temperature 73.4 - 131 °F |
CTE, linear, Transverse to Flow | 120 µm/m-°C @Temperature 23.0 - 55.0 °C | 66.7 µin/in-°F @Temperature 73.4 - 131 °F |
| 120 µm/m-°C @Temperature 23.0 - 55.0 °C | 66.7 µin/in-°F @Temperature 73.4 - 131 °F |
Melting Point | 178 °C | 352 °F |
| 178 °C | 352 °F |
Deflection Temperature at 0.46 MPa (66 psi) | 160 °C | 320 °F |
| 169 °C | 336 °F |
Deflection Temperature at 1.8 MPa (264 psi) | 93.0 °C | 199 °F |
| 115 °C | 239 °F |
| 125 °C | 257 °F |
UL RTI, Electrical | 50.0 °C @Thickness 0.750 mm | 122 °F @Thickness 0.0295 in |
| 105 °C @Thickness 6.00 mm | 221 °F @Thickness 0.236 in |
| 105 °C @Thickness 3.00 mm | 221 °F @Thickness 0.118 in |
| 105 °C @Thickness 1.50 mm | 221 °F @Thickness 0.0591 in |
UL RTI, Mechanical with Impact | 50.0 °C @Thickness 0.750 mm | 122 °F @Thickness 0.0295 in |
| 85.0 °C @Thickness 1.50 mm | 185 °F @Thickness 0.0591 in |
| 85.0 °C @Thickness 6.00 mm | 185 °F @Thickness 0.236 in |
| 85.0 °C @Thickness 3.00 mm | 185 °F @Thickness 0.118 in |
UL RTI, Mechanical without Impact | 50.0 °C @Thickness 0.750 mm | 122 °F @Thickness 0.0295 in |
| 90.0 °C @Thickness 1.50 mm | 194 °F @Thickness 0.0591 in |
| 90.0 °C @Thickness 3.00 mm | 194 °F @Thickness 0.118 in |
| 90.0 °C @Thickness 6.00 mm | 194 °F @Thickness 0.236 in |
Flammability, UL94 | HB @Thickness 0.750 mm | HB @Thickness 0.0295 in |
| HB @Thickness 1.50 mm | HB @Thickness 0.0591 in |
| HB @Thickness 0.750 mm | HB @Thickness 0.0295 in |
| HB @Thickness 1.50 mm | HB @Thickness 0.0591 in |
| HB @Thickness 3.00 mm | HB @Thickness 0.118 in |
| HB @Thickness 3.00 mm | HB @Thickness 0.118 in |
| HB @Thickness 6.00 mm | HB @Thickness 0.236 in |
| HB @Thickness 6.00 mm | HB @Thickness 0.236 in |
|
Processing Properties | Metric | English | Comments |
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Melt Temperature | 215 °C | 419 °F |
| 210 - 220 °C | 410 - 428 °F |
Mold Temperature | 90.0 °C | 194 °F |
| 80.0 - 100 °C | 176 - 212 °F |
Drying Temperature | 80.0 °C | 176 °F |
Dry Time | 2 - 4 hour | 2 - 4 hour |
Moisture Content | <= 0.20 % | <= 0.20 % |
|
Descriptive Properties |
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Additive | UV Stabilizer |
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 |
| Impact Resistance, High |
| Molecular Wt., High |
| Stiffness, High |
| Strength, High |
| Toughness, Good |
| UV Resistance, Good |
| Viscosity, High |
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 |
| UV Resistant/Weatherable Resins |
Region Available | Europe |
Resin Identification | POM |
Ultrasonic Weldable | Yes |
Uses | Housings |
| Parts, Engineering |