| Physical Properties | Metric | English | Comments | ||
|---|---|---|---|---|---|
| Density | 1.19 g/cc | 0.0430 lb/in³ | |||
| 1.42 g/cc | 0.0513 lb/in³ | ISO 1183 | |||
| Viscosity | 135767 cP @Shear Rate 5000 1/s, Temperature 230 °C |
135767 cP @Shear Rate 5000 1/s, Temperature 446 °F |
ISO 11403-1 -2 | ||
| 156174 cP @Shear Rate 5000 1/s, Temperature 215 °C |
156174 cP @Shear Rate 5000 1/s, Temperature 419 °F |
ISO 11403-1 -2 | |||
| 164942 cP @Shear Rate 5000 1/s, Temperature 200 °C |
164942 cP @Shear Rate 5000 1/s, Temperature 392 °F |
ISO 11403-1 -2 | |||
| 678744 cP @Shear Rate 500 1/s, Temperature 230 °C |
678744 cP @Shear Rate 500 1/s, Temperature 446 °F |
ISO 11403-1 -2 | |||
| 697510 cP @Shear Rate 500 1/s, Temperature 215 °C |
697510 cP @Shear Rate 500 1/s, Temperature 419 °F |
ISO 11403-1 -2 | |||
| 769596 cP @Shear Rate 500 1/s, Temperature 200 °C |
769596 cP @Shear Rate 500 1/s, Temperature 392 °F |
ISO 11403-1 -2 | |||
| Linear Mold Shrinkage, Flow | 0.022 cm/cm | 0.022 in/in | ISO 294-4 2577 | ||
| Linear Mold Shrinkage, Transverse | 0.018 cm/cm | 0.018 in/in | ISO 294-4 2577 | ||
| Melt Flow | 1.9 g/10 min @Load 2.16 kg, Temperature 190 °C |
1.9 g/10 min @Load 4.76 lb, Temperature 374 °F |
cm³/10min; ISO 1133 | ||
| 2.2 g/10 min @Load 2.16 kg, Temperature 190 °C |
2.2 g/10 min @Load 4.76 lb, Temperature 374 °F |
ISO 1133 | |||
| Mechanical Properties | Metric | English | Comments | ||
| Hardness, Rockwell M | 91 | 91 | ISO 2039-2 | ||
| Hardness, Rockwell R | 121 | 121 | ISO 2039-2 | ||
| Tensile Stress | 7.10 MPa @Strain 0.500 %, Temperature 90.0 °C |
1030 psi @Strain 0.500 %, Temperature 194 °F |
ISO 11403-1 -2 | ||
| 21.4 MPa @Strain 2.10 %, Temperature 90.0 °C |
3100 psi @Strain 2.10 %, Temperature 194 °F |
ISO 11403-1 -2 | |||
| 29.0 MPa @Strain 3.70 %, Temperature 90.0 °C |
4210 psi @Strain 3.70 %, Temperature 194 °F |
ISO 11403-1 -2 | |||
| 31.3 MPa @Strain 1.10 %, Temperature 23.0 °C |
4540 psi @Strain 1.10 %, Temperature 73.4 °F |
ISO 11403-1 -2 | |||
| 31.9 MPa @Strain 5.00 %, Temperature 90.0 °C |
4630 psi @Strain 5.00 %, Temperature 194 °F |
ISO 11403-1 -2 | |||
| 53.9 MPa @Strain 2.40 %, Temperature 0.000 °C |
7820 psi @Strain 2.40 %, Temperature 32.0 °F |
ISO 11403-1 -2 | |||
| 60.4 MPa @Strain 1.70 %, Temperature -40.0 °C |
8760 psi @Strain 1.70 %, Temperature -40.0 °F |
ISO 11403-1 -2 | |||
| 62.0 MPa @Strain 4.50 %, Temperature 23.0 °C |
8990 psi @Strain 4.50 %, Temperature 73.4 °F |
ISO 11403-1 -2 | |||
| 66.1 MPa @Strain 7.00 %, Temperature 23.0 °C |
9590 psi @Strain 7.00 %, Temperature 73.4 °F |
ISO 11403-1 -2 | |||
| 68.0 MPa @Strain 11.0 %, Temperature 23.0 °C |
9860 psi @Strain 11.0 %, Temperature 73.4 °F |
ISO 11403-1 -2 | |||
| 76.5 MPa @Strain 9.00 %, Temperature 0.000 °C |
11100 psi @Strain 9.00 %, Temperature 32.0 °F |
ISO 11403-1 -2 | |||
| 78.9 MPa @Strain 17.0 %, Temperature 0.000 °C |
11400 psi @Strain 17.0 %, Temperature 32.0 °F |
ISO 11403-1 -2 | |||
| 79.7 MPa @Strain 24.0 %, Temperature 0.000 °C |
11600 psi @Strain 24.0 %, Temperature 32.0 °F |
ISO 11403-1 -2 | |||
| 93.0 MPa @Strain 6.00 %, Temperature -40.0 °C |
13500 psi @Strain 6.00 %, Temperature -40.0 °F |
ISO 11403-1 -2 | |||
| 96.0 MPa @Strain 11.0 %, Temperature -40.0 °C |
13900 psi @Strain 11.0 %, Temperature -40.0 °F |
ISO 11403-1 -2 | |||
| 97.6 MPa @Strain 18.0 %, Temperature -40.0 °C |
14200 psi @Strain 18.0 %, Temperature -40.0 °F |
ISO 11403-1 -2 | |||
| Tensile Strength, Yield | 72.0 MPa | 10400 psi | ISO 527-1/-2 | ||
| Elongation at Break | >= 50 % | >= 50 % | Nominal; ISO 527-1/-2 | ||
| Elongation at Yield | 23 % | 23 % | ISO 527-1/-2 | ||
| Tensile Modulus | 3.15 GPa | 457 ksi | ISO 527-1/-2 | ||
| Flexural Modulus | 0.0800 GPa | 11.6 ksi | ASTM D790 | ||
| 2.90 GPa | 421 ksi | ISO 178 | |||
| Secant Modulus | 0.276207 GPa @Strain 29.0 %, Temperature 0.000 °C |
40.0611 ksi @Strain 29.0 %, Temperature 32.0 °F |
ISO 11403-1 -2 | ||
| 0.302769 GPa @Strain 32.5 %, Temperature -40.0 °C |
43.9136 ksi @Strain 32.5 %, Temperature -40.0 °F |
ISO 11403-1 -2 | |||
| 0.321495 GPa @Strain 21.4 %, Temperature 23.0 °C |
46.6296 ksi @Strain 21.4 %, Temperature 73.4 °F |
ISO 11403-1 -2 | |||
| 0.416842 GPa @Strain 19.0 %, Temperature 0.000 °C |
60.4588 ksi @Strain 19.0 %, Temperature 32.0 °F |
ISO 11403-1 -2 | |||
| 0.425652 GPa @Strain 23.0 %, Temperature -40.0 °C |
61.7366 ksi @Strain 23.0 %, Temperature -40.0 °F |
ISO 11403-1 -2 | |||
| 0.526154 GPa @Strain 13.0 %, Temperature 23.0 °C |
76.3134 ksi @Strain 13.0 %, Temperature 73.4 °F |
ISO 11403-1 -2 | |||
| 0.743846 GPa @Strain 13.0 %, Temperature -40.0 °C |
107.887 ksi @Strain 13.0 %, Temperature -40.0 °F |
ISO 11403-1 -2 | |||
| 0.748889 GPa @Strain 9.00 %, Temperature 23.0 °C |
108.619 ksi @Strain 9.00 %, Temperature 73.4 °F |
ISO 11403-1 -2 | |||
| 0.850 GPa @Strain 9.00 %, Temperature 0.000 °C |
123 ksi @Strain 9.00 %, Temperature 32.0 °F |
ISO 11403-1 -2 | |||
| 1.37778 GPa @Strain 4.50 %, Temperature 23.0 °C |
199.833 ksi @Strain 4.50 %, Temperature 73.4 °F |
ISO 11403-1 -2 | |||
| 1.55 GPa @Strain 6.00 %, Temperature -40.0 °C |
225 ksi @Strain 6.00 %, Temperature -40.0 °F |
ISO 11403-1 -2 | |||
| 2.24583 GPa @Strain 2.40 %, Temperature 0.000 °C |
325.735 ksi @Strain 2.40 %, Temperature 32.0 °F |
ISO 11403-1 -2 | |||
| 2.84545 GPa @Strain 1.10 %, Temperature 23.0 °C |
412.704 ksi @Strain 1.10 %, Temperature 73.4 °F |
ISO 11403-1 -2 | |||
| 3.55294 GPa @Strain 1.70 %, Temperature -40.0 °C |
515.318 ksi @Strain 1.70 %, Temperature -40.0 °F |
ISO 11403-1 -2 | |||
| Izod Impact, Notched (ISO) | 11.0 kJ/m² | 5.23 ft-lb/in² | ISO 180/1A | ||
| 10.0 kJ/m² @Temperature -40.0 °C |
4.76 ft-lb/in² @Temperature -40.0 °F |
ISO 180/1A | |||
| Charpy Impact, Notched | 1.20 J/cm² | 5.71 ft-lb/in² | ISO 179/1eA | ||
| 1.05 J/cm² @Temperature -30.0 °C |
5.00 ft-lb/in² @Temperature -22.0 °F |
ISO 179/1eA | |||
| Electrical Properties | Metric | English | Comments | ||
| Volume Resistivity | >= 1.00e+15 ohm-cm | >= 1.00e+15 ohm-cm | IEC 60093 | ||
| Surface Resistance | >= 1.00e+15 ohm | >= 1.00e+15 ohm | IEC 60093 | ||
| Dielectric Constant | 3.9 @Frequency 1.00e+6 Hz |
3.9 @Frequency 1.00e+6 Hz |
IEC 60250 | ||
| 4.0 @Frequency 100 Hz |
4.0 @Frequency 100 Hz |
IEC 60250 | |||
| Dielectric Strength | 45.0 kV/mm | 1140 kV/in | IEC 60243-1 | ||
| Dissipation Factor | 0.00050 @Frequency 100 Hz |
0.00050 @Frequency 100 Hz |
IEC 60250 | ||
| 0.0060 @Frequency 1.00e+6 Hz |
0.0060 @Frequency 1.00e+6 Hz |
IEC 60250 | |||
| Comparative Tracking Index | 600 V | 600 V | IEC 60112 | ||
| Thermal Properties | Metric | English | Comments | ||
| CTE, linear, Parallel to Flow | 110 µm/m-°C | 61.1 µin/in-°F | ISO 11359-1/-2 | ||
| 100 µm/m-°C @Temperature -40.0 - 23.0 °C |
55.6 µin/in-°F @Temperature -40.0 - 73.4 °F |
ISO 11359-1/-2 | |||
| CTE, linear, Transverse to Flow | 110 µm/m-°C | 61.1 µin/in-°F | ISO 11359-1/-2 | ||
| 100 µm/m-°C @Temperature -40.0 - 23.0 °C |
55.6 µin/in-°F @Temperature -40.0 - 73.4 °F |
ISO 11359-1/-2 | |||
| Melting Point | 178 °C | 352 °F | 10°C/min; ISO 11357-1/-3 | ||
| Deflection Temperature at 1.8 MPa (264 psi) | 97.0 °C | 207 °F | ISO 75-1/-2 | ||
| Flammability, UL94 | HB @Thickness 1.50 mm |
HB @Thickness 0.0591 in |
IEC 60695-11-10 | ||
| HB @Thickness 0.800 mm |
HB @Thickness 0.0315 in |
IEC 60695-11-10 | |||
| Flame Spread | 37 mm/min @Thickness 1.00 mm |
1.5 in/min @Thickness 0.0394 in |
ISO 3795 (FMVSS 302) | ||
| De |
|||||
| Additives | Release agent | ||||
| Delivery form | Pellets | ||||
| Part Marking Code | >POM< | ISO 11469 | |||
| Processing | Injection Moulding | ||||
| Other Extrusion | |||||
| Profile Extrusion | |||||
| Sheet Extrusion | |||||
| Regional Availability | Asia Pacific | ||||
| Europe | |||||
| Global | |||||
| Near East/Africa | |||||
| North America | |||||
| South and Central America | |||||
| Resin Identification | POM | ISO 1043 | |||
| UL recognition | UL | ||||
| UL | |||||
物性表:
POM 的簡介
聚甲醛是一種表面光滑,有光澤的硬而致密的材料,淡黃或白色,可在-40- 100°C溫度范圍內長期使用。它的耐磨性和自潤滑性也比絕大多數工程塑料優越,又有良好的耐油,耐過氧化物性能。很不耐酸,不耐強堿和不耐紫外線的輻射。
POM 物理性質
聚甲醛的拉伸強度達70MPa,吸水性小,尺寸穩定,有光澤,這些性能都比尼龍好,聚甲醛為高度結晶的樹脂,在熱塑性樹脂中是最堅韌的。具抗熱強度,彎曲強度,耐疲勞性強度均高,耐磨性和電性能優良。
POM 聚甲醛的性能:
性 能 數 值
比重 1.43
熔點 175°C
伸強度(屈服) 70MPa
伸長率(屈服) 15%
(斷裂) 15%
沖擊強度(無缺口) 108KJ/m2
(帶缺口) 7.6KJ/m2
應用范圍
POM屬結晶性塑料,熔點明顯,一旦達到熔點,熔體粘度迅速下降。當溫度超過一定限度或熔體受熱時間過長,會引起分解。
POM具有較好的綜合性能,在熱塑性塑料中是最堅硬的,是塑料材料中力學性能最接近金屬的品種之一,其抗張強度、彎曲強度、耐疲勞強度,耐磨性和電性都十分優良,可在-40度--100度之間長期使用。
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