Physical Properties | Metric | English | Comments | ||
---|---|---|---|---|---|
Density | 1.42 g/cc | 0.0513 lb/in³ | ISO 1183 | ||
Water Absorption | 1.4 % @Thickness 2.00 mm |
1.4 % @Thickness 0.0787 in |
Sim. to ISO 62 | ||
Moisture Absorption | 0.300 % @Thickness 2.00 mm |
0.300 % @Thickness 0.0787 in |
Sim. to ISO 62 | ||
Viscosity | 92857 cP @Shear Rate 5000 1/s, Temperature 230 °C |
92857 cP @Shear Rate 5000 1/s, Temperature 446 °F |
ISO 11403-1 -2 | ||
100589 cP @Shear Rate 5000 1/s, Temperature 215 °C |
100589 cP @Shear Rate 5000 1/s, Temperature 419 °F |
ISO 11403-1 -2 | |||
107059 cP @Shear Rate 5000 1/s, Temperature 200 °C |
107059 cP @Shear Rate 5000 1/s, Temperature 392 °F |
ISO 11403-1 -2 | |||
260530 cP @Shear Rate 500 1/s, Temperature 230 °C |
260530 cP @Shear Rate 500 1/s, Temperature 446 °F |
ISO 11403-1 -2 | |||
298744 cP @Shear Rate 500 1/s, Temperature 215 °C |
298744 cP @Shear Rate 500 1/s, Temperature 419 °F |
ISO 11403-1 -2 | |||
348640 cP @Shear Rate 500 1/s, Temperature 200 °C |
348640 cP @Shear Rate 500 1/s, Temperature 392 °F |
ISO 11403-1 -2 | |||
Linear Mold Shrinkage, Flow | 0.020 cm/cm | 0.020 in/in | ISO 294-4 2577 | ||
Linear Mold Shrinkage, Transverse | 0.019 cm/cm | 0.019 in/in | ISO 294-4 2577 | ||
Melt Flow | 13 g/10 min @Load 2.16 kg, Temperature 190 °C |
13 g/10 min @Load 4.76 lb, Temperature 374 °F |
cm³/10min; ISO 1133 | ||
15 g/10 min @Load 2.16 kg, Temperature 190 °C |
15 g/10 min @Load 4.76 lb, Temperature 374 °F |
ISO 1133 | |||
Mechanical Properties | Metric | English | Comments | ||
Hardness, Rockwell M | 92 | 92 | ISO 2039-2 | ||
Hardness, Rockwell R | 120 | 120 | ISO 2039-2 | ||
Tensile Stress | 5.40 MPa @Strain 0.400 %, Temperature 90.0 °C |
783 psi @Strain 0.400 %, Temperature 194 °F |
ISO 11403-1 -2 | ||
19.4 MPa @Strain 0.600 %, Temperature 23.0 °C |
2810 psi @Strain 0.600 %, Temperature 73.4 °F |
ISO 11403-1 -2 | |||
19.8 MPa @Strain 1.90 %, Temperature 90.0 °C |
2870 psi @Strain 1.90 %, Temperature 194 °F |
ISO 11403-1 -2 | |||
21.7 MPa @Strain 0.700 %, Temperature 0.000 °C |
3150 psi @Strain 0.700 %, Temperature 32.0 °F |
ISO 11403-1 -2 | |||
27.7 MPa @Strain 3.30 %, Temperature 90.0 °C |
4020 psi @Strain 3.30 %, Temperature 194 °F |
ISO 11403-1 -2 | |||
32.0 MPa @Strain 4.70 %, Temperature 90.0 °C |
4640 psi @Strain 4.70 %, Temperature 194 °F |
ISO 11403-1 -2 | |||
36.5 MPa @Strain 1.00 %, Temperature -40.0 °C |
5290 psi @Strain 1.00 %, Temperature -40.0 °F |
ISO 11403-1 -2 | |||
52.2 MPa @Strain 2.60 %, Temperature 23.0 °C |
7570 psi @Strain 2.60 %, Temperature 73.4 °F |
ISO 11403-1 -2 | |||
63.5 MPa @Strain 4.70 %, Temperature 23.0 °C |
9210 psi @Strain 4.70 %, Temperature 73.4 °F |
ISO 11403-1 -2 | |||
63.8 MPa @Strain 2.90 %, Temperature 0.000 °C |
9250 psi @Strain 2.90 %, Temperature 32.0 °F |
ISO 11403-1 -2 | |||
67.3 MPa @Strain 7.00 %, Temperature 23.0 °C |
9760 psi @Strain 7.00 %, Temperature 73.4 °F |
ISO 11403-1 -2 | |||
77.1 MPa @Strain 5.00 %, Temperature 0.000 °C |
11200 psi @Strain 5.00 %, Temperature 32.0 °F |
ISO 11403-1 -2 | |||
81.8 MPa @Strain 8.00 %, Temperature 0.000 °C |
11900 psi @Strain 8.00 %, Temperature 32.0 °F |
ISO 11403-1 -2 | |||
87.5 MPa @Strain 4.20 %, Temperature -40.0 °C |
12700 psi @Strain 4.20 %, Temperature -40.0 °F |
ISO 11403-1 -2 | |||
94.4 MPa @Strain 7.00 %, Temperature -40.0 °C |
13700 psi @Strain 7.00 %, Temperature -40.0 °F |
ISO 11403-1 -2 | |||
95.9 MPa @Strain 10.0 %, Temperature -40.0 °C |
13900 psi @Strain 10.0 %, Temperature -40.0 °F |
ISO 11403-1 -2 | |||
Tensile Strength, Yield | 70.5 MPa | 10200 psi | ISO 527-1/-2 | ||
Elongation at Break | 30 % | 30 % | Nominal; ISO 527-1/-2 | ||
Elongation at Yield | 17 % | 17 % | ISO 527-1/-2 | ||
Tensile Modulus | 3.10 GPa | 450 ksi | ISO 527-1/-2 | ||
Flexural Strength | 80.0 MPa @Strain 3.50 % |
11600 psi @Strain 3.50 % |
ISO 178 | ||
Flexural Modulus | 2.95 GPa | 428 ksi | ISO 178 | ||
Shear Modulus | 0.275 GPa @Temperature 120 °C |
39.9 ksi @Temperature 248 °F |
Dynamic; ISO 11403-1 -2 | ||
0.5547 GPa @Temperature 70.0 °C |
80.45 ksi @Temperature 158 °F |
Dynamic; ISO 11403-1 -2 | |||
0.9459 GPa @Temperature 20.0 °C |
137.2 ksi @Temperature 68.0 °F |
Dynamic; ISO 11403-1 -2 | |||
1.1421 GPa @Temperature -20.0 °C |
165.65 ksi @Temperature -4.00 °F |
Dynamic; ISO 11403-1 -2 | |||
1.3715 GPa @Temperature -50.0 °C |
198.92 ksi @Temperature -58.0 °F |
Dynamic; ISO 11403-1 -2 | |||
Secant Modulus | 0.538281 GPa @Strain 12.8 %, Temperature 23.0 °C |
78.0723 ksi @Strain 12.8 %, Temperature 73.4 °F |
ISO 11403-1 -2 | ||
0.602899 GPa @Strain 13.8 %, Temperature 0.000 °C |
87.4445 ksi @Strain 13.8 %, Temperature 32.0 °F |
ISO 11403-1 -2 | |||
0.760 GPa @Strain 9.00 %, Temperature 23.0 °C |
110 ksi @Strain 9.00 %, Temperature 73.4 °F |
ISO 11403-1 -2 | |||
0.8025 GPa @Strain 12.0 %, Temperature -40.0 °C |
116.4 ksi @Strain 12.0 %, Temperature -40.0 °F |
ISO 11403-1 -2 | |||
0.828 GPa @Strain 10.0 %, Temperature 0.000 °C |
120 ksi @Strain 10.0 %, Temperature 32.0 °F |
ISO 11403-1 -2 | |||
1.18875 GPa @Strain 8.00 %, Temperature -40.0 °C |
172.416 ksi @Strain 8.00 %, Temperature -40.0 °F |
ISO 11403-1 -2 | |||
1.284 GPa @Strain 5.00 %, Temperature 23.0 °C |
186.2 ksi @Strain 5.00 %, Temperature 73.4 °F |
ISO 11403-1 -2 | |||
1.32167 GPa @Strain 6.00 %, Temperature 0.000 °C |
191.695 ksi @Strain 6.00 %, Temperature 32.0 °F |
ISO 11403-1 -2 | |||
2.00769 GPa @Strain 2.60 %, Temperature 23.0 °C |
291.195 ksi @Strain 2.60 %, Temperature 73.4 °F |
ISO 11403-1 -2 | |||
2.08333 GPa @Strain 4.20 %, Temperature -40.0 °C |
302.166 ksi @Strain 4.20 %, Temperature -40.0 °F |
ISO 11403-1 -2 | |||
2.20 GPa @Strain 2.90 %, Temperature 0.000 °C |
319 ksi @Strain 2.90 %, Temperature 32.0 °F |
ISO 11403-1 -2 | |||
3.10 GPa @Strain 0.700 %, Temperature 0.000 °C |
450 ksi @Strain 0.700 %, Temperature 32.0 °F |
ISO 11403-1 -2 | |||
3.23333 GPa @Strain 0.600 %, Temperature 23.0 °C |
468.962 ksi @Strain 0.600 %, Temperature 73.4 °F |
ISO 11403-1 -2 | |||
3.65 GPa @Strain 1.00 %, Temperature -40.0 °C |
529 ksi @Strain 1.00 %, Temperature -40.0 °F |
ISO 11403-1 -2 | |||
Izod Impact, Notched (ISO) | 9.00 kJ/m² | 4.28 ft-lb/in² | ISO 180/1A | ||
8.00 kJ/m² @Temperature -30.0 °C |
3.81 ft-lb/in² @Temperature -22.0 °F |
ISO 180/1A | |||
Charpy Impact Unnotched | 32.5 J/cm² | 155 ft-lb/in² | ISO 179/1eU | ||
27.5 J/cm² @Temperature -30.0 °C |
131 ft-lb/in² @Temperature -22.0 °F |
ISO 179/1eU | |||
Charpy Impact, Notched | 0.900 J/cm² | 4.28 ft-lb/in² | ISO 179/1eA | ||
0.800 J/cm² @Temperature -30.0 °C |
3.81 ft-lb/in² @Temperature -22.0 °F |
ISO 179/1eA | |||
Tensile Creep Modulus, 1 hour | 2800 MPa @Time 3600 sec |
406000 psi @Time 1.00 hour |
ISO 899-1 | ||
Tensile Creep Modulus, 1000 hours | 1600 MPa @Time 3.60e+6 sec |
232000 psi @Time 1000 hour |
ISO 899-1 | ||
Electrical Properties | Metric | English | Comments | ||
Volume Resistivity | 2.00e+14 ohm-cm | 2.00e+14 ohm-cm | IEC 60093 | ||
Surface Resistance | 4.00e+14 ohm | 4.00e+14 ohm | IEC 60093 | ||
Dielectric Constant | 3.8 @Frequency 100 Hz |
3.8 @Frequency 100 Hz |
IEC 60250 | ||
3.8 @Frequency 1.00e+6 Hz |
3.8 @Frequency 1.00e+6 Hz |
IEC 60250 | |||
Dielectric Strength | 44.0 kV/mm | 1120 kV/in | IEC 60243-1 | ||
Dissipation Factor | 0.0055 @Frequency 1.00e+6 Hz |
0.0055 @Frequency 1.00e+6 Hz |
IEC 60250 | ||
0.0090 @Frequency 100 Hz |
0.0090 @Frequency 100 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 | ||
CTE, linear, Transverse to Flow | 110 µm/m-°C | 61.1 µin/in-°F | ISO 11359-1/-2 | ||
Melting Point | 178 °C | 352 °F | 10°C/min; ISO 11357-1/-3 | ||
Deflection Temperature at 0.46 MPa (66 psi) | 158 °C | 316 °F | ISO 75-1/-2 | ||
Deflection Temperature at 1.8 MPa (264 psi) | 94.0 °C | 201 °F | ISO 75-1/-2 | ||
Vicat Softening Point | 155 °C | 311 °F | 50°C/h 50N; ISO 306 | ||
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 | |||
De |
|||||
Additives | Lubricants | ||||
Release agent | |||||
Delivery form | Pellets | ||||
Emissions | <8 mg/kg | VDA 275 | |||
Part Marking Code | >POM< | ISO 11469 | |||
Processing | Injection Moulding | ||||
Regional Availability | Asia Pacific | ||||
Europe | |||||
Global | |||||
Near East/Africa | |||||
North America | |||||
South and Central America | |||||
Resin Identification | POM | ISO 1043 | |||
UL recognition | UL | ||||
UL |
POM 的简介
聚甲醛是一种表面光滑,有光泽的硬而致密的材料,淡黄或白色,可在-40- 100°C温度范围内长期使用。它的耐磨性和自润滑性也比绝大多数工程塑料优越,又有良好的耐油,耐过氧化物性能。很不耐酸,不耐强碱和不耐紫外线的辐射。
POM 物理性质
聚甲醛的拉伸强度达70MPa,吸水性小,尺寸稳定,有光泽,这些性能都比尼龙好,聚甲醛为高度结晶的树脂,在热塑性树脂中是最坚韧的。具抗热强度,弯曲强度,耐疲劳性强度均高,耐磨性和电性能优良。
POM 聚甲醛的性能:
性 能 数 值
比重 1.43
熔点 175°C
伸强度(屈服) 70MPa
伸长率(屈服) 15%
(断裂) 15%
冲击强度(无缺口) 108KJ/m2
(带缺口) 7.6KJ/m2
应用范围
POM属结晶性塑料,熔点明显,一旦达到熔点,熔体粘度迅速下降。当温度超过一定限度或熔体受热时间过长,会引起分解。
POM具有较好的综合性能,在热塑性塑料中是最坚硬的,是塑料材料中力学性能最接近金属的品种之一,其抗张强度、弯曲强度、耐疲劳强度,耐磨性和电性都十分优良,可在-40度--100度之间长期使用。
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PA6T,46,9T、PC、PC/ABS、PBT、ABS、PPA、PPS、POM、PMMA、TPE、PPO、LCP液晶聚合物。
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