类别:聚合物;热塑性;聚甲醛(POM)
材料说明:聚甲醛是一种®111p提高热稳定性和更精确成型的修改高粘度缩醛均聚物(减少翘曲,减少空隙)。它比美国®100P较高的拉伸强度和模量。
物性表:| Physical Properties | Metric | English | Comments | ||
|---|---|---|---|---|---|
| Specific Gravity | 1.42 g/cc | 1.42 g/cc | ASTM D792 | ||
| Density | 1.42 g/cc | 0.0513 lb/in³ | ISO 1183 | ||
| Water Absorption | 0.30 % @Temperature 23.0 °C |
0.30 % @Temperature 73.4 °F |
Immersion 24h; ASTM D570 | ||
| 1.0 % @Temperature 23.0 °C |
1.0 % @Temperature 73.4 °F |
Saturation, immersed; ISO 62, Similar to | |||
| Linear Mold Shrinkage | 0.017 - 0.020 cm/cm @Thickness 3.20 mm |
0.017 - 0.020 in/in @Thickness 0.126 in |
Transverse, 24h; ASTM D955 | ||
| 0.018 - 0.021 cm/cm @Thickness 3.20 mm |
0.018 - 0.021 in/in @Thickness 0.126 in |
Flow, 24h; ASTM D955 | |||
| Linear Mold Shrinkage, Flow | 0.018 - 0.021 cm/cm @Thickness 4.00 mm |
0.018 - 0.021 in/in @Thickness 0.157 in |
Parallel, 24h; ISO 294-4 | ||
| 0.021 cm/cm @Thickness 2.00 mm |
0.021 in/in @Thickness 0.0787 in |
ISO 294-4 | |||
| Linear Mold Shrinkage, Transverse | 0.019 cm/cm @Thickness 2.00 mm |
0.019 in/in @Thickness 0.0787 in |
ISO 294-4 | ||
| 0.018 - 0.021 cm/cm @Thickness 4.00 mm |
0.018 - 0.021 in/in @Thickness 0.157 in |
Normal, 24h; ISO 294-4 | |||
| 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 |
ASTM D1238 | ||
| 2.4 g/10 min @Load 2.16 kg, Temperature 190 °C |
2.4 g/10 min @Load 4.76 lb, Temperature 374 °F |
ISO 1133 | |||
| Melt Index of Compound | 1.9 g/10 min @Load 2.16 kg, Temperature 190 °C |
1.9 g/10 min @Load 4.76 lb, Temperature 374 °F |
cm3/10 min; ISO 1133 | ||
| Mechanical Properties | Metric | English | Comments | ||
| Hardness, Rockwell M | 92 | 92 | ISO 2039/2 | ||
| Hardness, Rockwell R | 120 | 120 | ISO 2039/2 | ||
| 121 | 121 | ASTM D785 | |||
| Tensile Strength | 72.0 MPa @Temperature 23.0 °C |
10400 psi @Temperature 73.4 °F |
5mm/min (0.2in/min); ASTM D638 | ||
| Tensile Stress | 60.799 MPa @Strain 2.8574 %, Temperature -40.0 °C |
8818.2 psi @Strain 2.8574 %, Temperature -40.0 °F |
ISO 527 | ||
| 87.176 MPa @Strain 5.7149 %, Temperature -40.0 °C |
12644 psi @Strain 5.7149 %, Temperature -40.0 °F |
ISO 527 | |||
| 94.877 MPa @Strain 8.5723 %, Temperature -40.0 °C |
13761 psi @Strain 8.5723 %, Temperature -40.0 °F |
ISO 527 | |||
| 96.84 MPa @Strain 11.43 %, Temperature -40.0 °C |
14050 psi @Strain 11.43 %, Temperature -40.0 °F |
ISO 527 | |||
| 97.432 MPa @Strain 14.287 %, Temperature -40.0 °C |
14131 psi @Strain 14.287 %, Temperature -40.0 °F |
ISO 527 | |||
| 97.672 MPa @Strain 17.145 %, Temperature -40.0 °C |
14166 psi @Strain 17.145 %, Temperature -40.0 °F |
ISO 527 | |||
| 98.055 MPa @Strain 20.002 %, Temperature -40.0 °C |
14222 psi @Strain 20.002 %, Temperature -40.0 °F |
ISO 527 | |||
| 98.733 MPa @Strain 22.86 %, Temperature -40.0 °C |
14320 psi @Strain 22.86 %, Temperature -40.0 °F |
ISO 527 | |||
| 99.053 MPa @Strain 25.717 %, Temperature -40.0 °C |
14366 psi @Strain 25.717 %, Temperature -40.0 °F |
ISO 527 | |||
| 99.549 MPa @Strain 28.574 %, Temperature -40.0 °C |
14438 psi @Strain 28.574 %, Temperature -40.0 °F |
ISO 527 | |||
| Tensile Strength, Yield | 72.0 MPa @Temperature 23.0 °C |
10400 psi @Temperature 73.4 °F |
5mm/min (0.2in/min); ASTM D638 | ||
| 72.0 MPa @Temperature 23.0 °C |
10400 psi @Temperature 73.4 °F |
ISO 527 | |||
| Elongation at Break | 40 % @Temperature 23.0 °C |
40 % @Temperature 73.4 °F |
nominal; ISO 527 | ||
| 50 % @Temperature 23.0 °C |
50 % @Temperature 73.4 °F |
ISO 527 | |||
| 73 % @Temperature 23.0 °C |
73 % @Temperature 73.4 °F |
5mm/min (0.2in/min); ASTM D638 | |||
| Elongation at Yield | 20 % @Temperature 23.0 °C |
20 % @Temperature 73.4 °F |
ISO 527 | ||
| 21 % @Temperature 23.0 °C |
21 % @Temperature 73.4 °F |
5mm/min (0.2in/min); ASTM D638 | |||
| Tensile Modulus | 3.00 GPa @Temperature 23.0 °C |
435 ksi @Temperature 73.4 °F |
5mm/min (0.2in/min); ASTM D638 | ||
| 3.20 GPa @Temperature 23.0 °C |
464 ksi @Temperature 73.4 °F |
ISO 527 | |||
| Flexural Strength | 80.0 MPa @Strain 3.50 %, Temperature 23.0 °C |
11600 psi @Strain 3.50 %, Temperature 73.4 °F |
ISO 178 | ||
| 92.0 MPa @Strain 5.00 %, Temperature 23.0 °C |
13300 psi @Strain 5.00 %, Temperature 73.4 °F |
ASTM D790 | |||
| Flexural Modulus | 2.90 GPa @Temperature 23.0 °C |
421 ksi @Temperature 73.4 °F |
ISO 178 | ||
| 2.97 GPa @Temperature 23.0 °C |
431 ksi @Temperature 73.4 °F |
ASTM D790 | |||
| Izod Impact, Notched | 0.960 J/cm @Temperature 23.0 °C |
1.80 ft-lb/in @Temperature 73.4 °F |
ASTM D256 | ||
| Izod Impact, Unnotched | NB @Temperature 23.0 °C |
NB @Temperature 73.4 °F |
ASTM D4812 | ||
| Izod Impact, Notched (ISO) | 11.0 kJ/m² @Temperature -40.0 °C |
5.23 ft-lb/in² @Temperature -40.0 °F |
ISO 180/1A | ||
| 11.0 kJ/m² @Temperature 23.0 °C |
5.23 ft-lb/in² @Temperature 73.4 °F |
ISO 180/1A | |||
| Charpy Impact Unnotched | 27.0 J/cm² @Temperature -30.0 °C |
128 ft-lb/in² @Temperature -22.0 °F |
ISO 179/1eU | ||
| 30.0 J/cm² @Temperature 23.0 °C |
143 ft-lb/in² @Temperature 73.4 °F |
ISO 179/1eU | |||
| Charpy Impact, Notched | 0.900 J/cm² @Temperature -30.0 °C |
4.28 ft-lb/in² @Temperature -22.0 °F |
ISO 179/1eA | ||
| 1.10 J/cm² @Temperature 23.0 °C |
5.23 ft-lb/in² @Temperature 73.4 °F |
ISO 179/1eA | |||
| Tensile Creep Modulus, 1 hour | 3000 MPa @Temperature 23.0 °C |
435000 psi @Temperature 73.4 °F |
ISO 899 | ||
| Tensile Creep Modulus, 1000 hours | 1700 MPa @Temperature 23.0 °C |
247000 psi @Temperature 73.4 °F |
ISO 899 | ||
| Electrical Properties | Metric | English | Comments | ||
| Volume Resistivity | 8.00e+14 ohm-cm @Temperature 23.0 °C |
8.00e+14 ohm-cm @Temperature 73.4 °F |
ASTM D257 | ||
| Surface Resistance | 6.00e+14 ohm @Temperature 23.0 °C |
6.00e+14 ohm @Temperature 73.4 °F |
ASTM D257 | ||
| Dielectric Constant | 3.7 @Frequency 1.00e+6 Hz, Temperature 23.0 °C |
3.7 @Frequency 1.00e+6 Hz, Temperature 73.4 °F |
ASTM D150 | ||
| Dielectric Strength | 18.0 kV/mm @Thickness 3.20 mm, Temperature 23.0 °C |
457 kV/in @Thickness 0.126 in, Temperature 73.4 °F |
Short Time; ASTM D149 | ||
| Dissipation Factor | 0.0050 @Frequency 1.00e+6 Hz, Temperature 23.0 °C |
0.0050 @Frequency 1.00e+6 Hz, Temperature 73.4 °F |
ASTM D150 | ||
| Comparative Tracking Index | 600 V @Temperature 23.0 °C |
600 V @Temperature 73.4 °F |
IEC 60112 | ||
| 600 V @Thickness 3.00 mm, Temperature 23.0 °C |
600 V @Thickness 0.118 in, Temperature 73.4 °F |
UL 746A | |||
| Thermal Properties | Metric | English | Comments | ||
| CTE, linear, Parallel to Flow | 500 µm/m-°C @Temperature 23.0 - 55.0 °C |
278 µin/in-°F @Temperature 73.4 - 131 °F |
ASTM E 831 | ||
| 500 µm/m-°C @Temperature -40.0 - 23.0 °C |
278 µin/in-°F @Temperature -40.0 - 73.4 °F |
ISO 11359-1/-2 | |||
| 500 µm/m-°C @Temperature 23.0 - 55.0 °C |
278 µin/in-°F @Temperature 73.4 - 131 °F |
ISO 11359-1/-2 | |||
| 500 µm/m-°C @Temperature 55.0 - 100 °C |
278 µin/in-°F @Temperature 131 - 212 °F |
ISO 11359-1/-2 | |||
| CTE, linear, Transverse to Flow | 94.0 µm/m-°C @Temperature -40.0 - 23.0 °C |
52.2 µin/in-°F @Temperature -40.0 - 73.4 °F |
ISO 11359-1/-2 | ||
| 110 µm/m-°C @Temperature 23.0 - 55.0 °C |
61.1 µin/in-°F @Temperature 73.4 - 131 °F |
ASTM E 831 | |||
| 110 µm/m-°C @Temperature 23.0 - 55.0 °C |
61.1 µin/in-°F @Temperature 73.4 - 131 °F |
ISO 11359-1/-2 | |||
| 140 µm/m-°C @Temperature 55.0 - 100 °C |
77.8 µin/in-°F @Temperature 131 - 212 °F |
ISO 11359-1/-2 | |||
| Melting Point | 178 °C | 352 °F | 10°C/min; ISO 11357-1/-3 | ||
| 178 °C | 352 °F | ASTM D3418 | |||
| Deflection Temperature at 0.46 MPa (66 psi) | 165 °C | 329 °F | ISO 75-1/-2 | ||
| 169 °C | 336 °F | Not Annealed; ASTM D648 | |||
| Deflection Temperature at 1.8 MPa (264 psi) | 100 °C | 212 °F | ISO 75-1/-2 | ||
| 110 °C | 230 °F | Not Annealed; ASTM D648 | |||
| 115 °C | 239 °F | Annealed; ISO 75-1/-2 | |||
| UL RTI, Electrical | 110 °C @Thickness 3.00 mm |
230 °F @Thickness 0.118 in |
UL 746B | ||
| 110 °C @Thickness 1.50 mm |
230 °F @Thickness 0.0591 in |
UL 746B | |||
| UL RTI, Mechanical with Impact | 85.0 °C @Thickness 1.50 mm |
185 °F @Thickness 0.0591 in |
UL 746B | ||
| 90.0 °C @Thickness 3.00 mm |
194 °F @Thickness 0.118 in |
UL 746B | |||
| UL RTI, Mechanical without Impact | 90.0 °C @Thickness 1.50 mm |
194 °F @Thickness 0.0591 in |
UL 746B | ||
| 95.0 °C @Thickness 3.00 mm |
203 °F @Thickness 0.118 in |
UL 746B | |||
| Flammability, UL94 | HB @Thickness 1.50 mm |
HB @Thickness 0.0591 in |
IEC 60695-11-10 | ||
| HB @Thickness 3.00 mm |
HB @Thickness 0.118 in |
IEC 60695-11-10 | |||
| HB @Thickness 3.00 mm |
HB @Thickness 0.118 in |
UL94 | |||
| HB @Thickness 1.50 mm |
HB @Thickness 0.0591 in |
UL94 | |||
| Oxygen Index | 17 % | 17 % | ISO 4589-1/-2 | ||
| Processing Properties | Metric | English | Comments | ||
| Melt Temperature | 215 °C | 419 °F | Optimum; Injection Molding | ||
| 210 - 220 °C | 410 - 428 °F | Injection Molding | |||
| Mold Temperature | 90.0 °C | 194 °F | optimum; Injection Molding | ||
| 80.0 - 100 °C | 176 - 212 °F | Injection Molding | |||
| Drying Temperature | 80.0 °C | 176 °F | Injection Molding | ||
| Dry Time | 2.00 - 4.00 hour | 2.00 - 4.00 hour | Injection Molding | ||
| Moisture Content | <= 0.20 % | <= 0.20 % | Injection Molding | ||
| De |
|||||
| Appearance | Natural Color | ||||
| Drying Recommended | Not normally required unless moisture content of resin exceeds recommended level | ||||
| Extrudable - Cast Film | Yes | ||||
| Extrudable - Sheet | Yes | ||||
| Extrudable - Tubing | Yes | ||||
| Extrudable - Wire and Cable | Yes | ||||
| Features | Creep Resistance, Good | ||||
| Dimensional Stability, Good | |||||
| Fatigue Resistant | |||||
| Homopolymer | |||||
| Impact Resistance, High | |||||
| Molecular Wt., High | |||||
| Stiffness, High | |||||
| Strength, High | |||||
| Toughness, Good | |||||
| Viscosity, High | |||||
| Forms | Pellets | ||||
| Generic | Acetal (POM) Homopolymer | ||||
| Material Status | Current | ||||
| Part Marking Code | >POM< | ISO 11469 | |||
| Polymer Family | POM | ||||
| Polymer Type | POM Homopolymer | ||||
| Processing Method | Injection Molding | ||||
| Product Category | Unreinforced Resins | ||||
| Region Available - Global | Yes | ||||
| Resin Identification | POM | ISO 1043 | |||
| RoHS Compliance | Contact Manufacturer | ||||
| Ultrasonic Weldable | Yes | ||||
| Uses | Conveyors | ||||
| Fasteners | |||||
| Gears | |||||
| Housings | |||||
| Parts, Engineering | |||||
| Sheet | |||||
| Tubing | |||||

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