Physical Properties | Metric | English | Comments | ||
---|---|---|---|---|---|
Density | 1.42 g/cc | 0.0513 lb/in³ | ISO 1183 | ||
Water Absorption | 0.90 % @Thickness 2.00 mm |
0.90 % @Thickness 0.0787 in |
Sim. to ISO 62 | ||
Moisture Absorption | 0.200 % @Thickness 2.00 mm |
0.200 % @Thickness 0.0787 in |
Sim. to ISO 62 | ||
Linear Mold Shrinkage, Flow | 0.019 cm/cm | 0.019 in/in | ISO 294-4 2577 | ||
Linear Mold Shrinkage, Transverse | 0.018 cm/cm | 0.018 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 | ||
14 g/10 min @Load 2.16 kg, Temperature 190 °C |
14 g/10 min @Load 4.76 lb, Temperature 374 °F |
ISO 1133 | |||
Mechanical Properties | Metric | English | Comments | ||
Tensile Stress | 15.4 MPa @Strain 0.500 %, Temperature 23.0 °C |
2230 psi @Strain 0.500 %, Temperature 73.4 °F |
ISO 11403-1 -2 | ||
17.8 MPa @Strain 0.500 %, Temperature 0.000 °C |
2580 psi @Strain 0.500 %, Temperature 32.0 °F |
ISO 11403-1 -2 | |||
21.0 MPa @Strain 0.500 %, Temperature -40.0 °C |
3050 psi @Strain 0.500 %, Temperature -40.0 °F |
ISO 11403-1 -2 | |||
50.3 MPa @Strain 2.20 %, Temperature 23.0 °C |
7300 psi @Strain 2.20 %, Temperature 73.4 °F |
ISO 11403-1 -2 | |||
56.4 MPa @Strain 2.20 %, Temperature 0.000 °C |
8180 psi @Strain 2.20 %, Temperature 32.0 °F |
ISO 11403-1 -2 | |||
63.0 MPa @Strain 3.80 %, Temperature 23.0 °C |
9140 psi @Strain 3.80 %, Temperature 73.4 °F |
ISO 11403-1 -2 | |||
67.8 MPa @Strain 2.00 %, Temperature -40.0 °C |
9830 psi @Strain 2.00 %, Temperature -40.0 °F |
ISO 11403-1 -2 | |||
68.8 MPa @Strain 6.00 %, Temperature 23.0 °C |
9980 psi @Strain 6.00 %, Temperature 73.4 °F |
ISO 11403-1 -2 | |||
70.7 MPa @Strain 3.80 %, Temperature 0.000 °C |
10300 psi @Strain 3.80 %, Temperature 32.0 °F |
ISO 11403-1 -2 | |||
75.1 MPa @Strain 5.00 %, Temperature 0.000 °C |
10900 psi @Strain 5.00 %, Temperature 32.0 °F |
ISO 11403-1 -2 | |||
88.3 MPa @Strain 3.60 %, Temperature -40.0 °C |
12800 psi @Strain 3.60 %, Temperature -40.0 °F |
ISO 11403-1 -2 | |||
94.6 MPa @Strain 5.00 %, Temperature -40.0 °C |
13700 psi @Strain 5.00 %, Temperature -40.0 °F |
ISO 11403-1 -2 | |||
Tensile Strength, Yield | 73.0 MPa | 10600 psi | ISO 527-1/-2 | ||
Elongation at Break | 25 % | 25 % | Nominal; ISO 527-1/-2 | ||
Elongation at Yield | 12 % | 12 % | ISO 527-1/-2 | ||
Tensile Modulus | 3.40 GPa | 493 ksi | ISO 527-1/-2 | ||
Flexural Strength | 87.0 MPa @Strain 3.50 % |
12600 psi @Strain 3.50 % |
ISO 178 | ||
Flexural Modulus | 3.20 GPa | 464 ksi | ISO 178 | ||
Secant Modulus | 0.365 GPa @Strain 8.00 %, Temperature 100 °C |
52.9 ksi @Strain 8.00 %, Temperature 212 °F |
ISO 11403-1 -2 | ||
0.575 GPa @Strain 4.80 %, Temperature 100 °C |
83.4 ksi @Strain 4.80 %, Temperature 212 °F |
ISO 11403-1 -2 | |||
0.636667 GPa @Strain 6.00 %, Temperature 80.0 °C |
92.3422 ksi @Strain 6.00 %, Temperature 176 °F |
ISO 11403-1 -2 | |||
0.746875 GPa @Strain 3.20 %, Temperature 100 °C |
108.327 ksi @Strain 3.20 %, Temperature 212 °F |
ISO 11403-1 -2 | |||
0.87875 GPa @Strain 8.00 %, Temperature 23.0 °C |
127.45 ksi @Strain 8.00 %, Temperature 73.4 °F |
ISO 11403-1 -2 | |||
0.889474 GPa @Strain 3.80 %, Temperature 80.0 °C |
129.009 ksi @Strain 3.80 %, Temperature 176 °F |
ISO 11403-1 -2 | |||
0.975 GPa @Strain 1.60 %, Temperature 100 °C |
141 ksi @Strain 1.60 %, Temperature 212 °F |
ISO 11403-1 -2 | |||
1.11429 GPa @Strain 7.00 %, Temperature 0.000 °C |
161.617 ksi @Strain 7.00 %, Temperature 32.0 °F |
ISO 11403-1 -2 | |||
1.15 GPa @Strain 0.400 %, Temperature 100 °C |
167 ksi @Strain 0.400 %, Temperature 212 °F |
ISO 11403-1 -2 | |||
1.23158 GPa @Strain 1.90 %, Temperature 80.0 °C |
178.628 ksi @Strain 1.90 %, Temperature 176 °F |
ISO 11403-1 -2 | |||
1.38429 GPa @Strain 7.00 %, Temperature -40.0 °C |
200.777 ksi @Strain 7.00 %, Temperature -40.0 °F |
ISO 11403-1 -2 | |||
1.48636 GPa @Strain 4.40 %, Temperature 23.0 °C |
215.582 ksi @Strain 4.40 %, Temperature 73.4 °F |
ISO 11403-1 -2 | |||
1.60 GPa @Strain 0.400 %, Temperature 80.0 °C |
232 ksi @Strain 0.400 %, Temperature 176 °F |
ISO 11403-1 -2 | |||
1.66591 GPa @Strain 4.40 %, Temperature 0.000 °C |
241.624 ksi @Strain 4.40 %, Temperature 32.0 °F |
ISO 11403-1 -2 | |||
2.22927 GPa @Strain 4.10 %, Temperature -40.0 °C |
323.333 ksi @Strain 4.10 %, Temperature -40.0 °F |
ISO 11403-1 -2 | |||
2.28636 GPa @Strain 2.20 %, Temperature 23.0 °C |
331.614 ksi @Strain 2.20 %, Temperature 73.4 °F |
ISO 11403-1 -2 | |||
2.56364 GPa @Strain 2.20 %, Temperature 0.000 °C |
371.830 ksi @Strain 2.20 %, Temperature 32.0 °F |
ISO 11403-1 -2 | |||
3.08 GPa @Strain 0.500 %, Temperature 23.0 °C |
447 ksi @Strain 0.500 %, Temperature 73.4 °F |
ISO 11403-1 -2 | |||
3.39 GPa @Strain 2.00 %, Temperature -40.0 °C |
492 ksi @Strain 2.00 %, Temperature -40.0 °F |
ISO 11403-1 -2 | |||
3.56 GPa @Strain 0.500 %, Temperature 0.000 °C |
516 ksi @Strain 0.500 %, Temperature 32.0 °F |
ISO 11403-1 -2 | |||
4.20 GPa @Strain 0.500 %, Temperature -40.0 °C |
609 ksi @Strain 0.500 %, Temperature -40.0 °F |
ISO 11403-1 -2 | |||
Charpy Impact Unnotched | 22.0 J/cm² | 105 ft-lb/in² | ISO 179/1eU | ||
20.0 J/cm² @Temperature -30.0 °C |
95.2 ft-lb/in² @Temperature -22.0 °F |
ISO 179/1eU | |||
Charpy Impact, Notched | 0.700 J/cm² | 3.33 ft-lb/in² | ISO 179/1eA | ||
0.650 J/cm² @Temperature -30.0 °C |
3.09 ft-lb/in² @Temperature -22.0 °F |
ISO 179/1eA | |||
Thermal Properties | Metric | English | Comments | ||
CTE, linear, Parallel to Flow | 100 µm/m-°C | 55.6 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) | 163 °C | 325 °F | ISO 75-1/-2 | ||
Deflection Temperature at 1.8 MPa (264 psi) | 107 °C | 225 °F | ISO 75-1/-2 | ||
Vicat Softening Point | 160 °C | 320 °F | 50°C/h 50N; ISO 306 | ||
De |
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Additives | Lubricants | ||||
Release agent | |||||
Delivery form | Pellets | ||||
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 |
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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