| 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 | 134853 cP @Shear Rate 5000 1/s, Temperature 230 °C  | 
            134853 cP @Shear Rate 5000 1/s, Temperature 446 °F  | 
            ISO 11403-1 -2 | ||
| 151774 cP @Shear Rate 5000 1/s, Temperature 215 °C  | 
            151774 cP @Shear Rate 5000 1/s, Temperature 419 °F  | 
            ISO 11403-1 -2 | |||
| 167284 cP @Shear Rate 5000 1/s, Temperature 200 °C  | 
            167284 cP @Shear Rate 5000 1/s, Temperature 392 °F  | 
            ISO 11403-1 -2 | |||
| 697800 cP @Shear Rate 500 1/s, Temperature 230 °C  | 
            697800 cP @Shear Rate 500 1/s, Temperature 446 °F  | 
            ISO 11403-1 -2 | |||
| 779288 cP @Shear Rate 500 1/s, Temperature 215 °C  | 
            779288 cP @Shear Rate 500 1/s, Temperature 419 °F  | 
            ISO 11403-1 -2 | |||
| 875088 cP @Shear Rate 500 1/s, Temperature 200 °C  | 
            875088 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 | 2.1 g/10 min @Load 2.16 kg, Temperature 190 °C  | 
            2.1 g/10 min @Load 4.76 lb, Temperature 374 °F  | 
            cm³/10min; ISO 1133 | ||
| 2.5 g/10 min @Load 2.16 kg, Temperature 190 °C  | 
            2.5 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 Strength, Yield | 72.0 MPa | 10400 psi | ISO 527-1/-2 | ||
| Elongation at Break | 45 % | 45 % | Nominal; ISO 527-1/-2 | ||
| Elongation at Yield | 26 % | 26 % | ISO 527-1/-2 | ||
| Tensile Modulus | 3.10 GPa | 450 ksi | ISO 527-1/-2 | ||
| Flexural Strength | 79.0 MPa @Strain 3.50 %  | 
            11500 psi @Strain 3.50 %  | 
            ISO 178 | ||
| Flexural Modulus | 2.90 GPa | 421 ksi | ISO 178 | ||
| Charpy Impact Unnotched | NB | NB | ISO 179/1eU | ||
| 40.0 J/cm² @Temperature -30.0 °C  | 
            190 ft-lb/in² @Temperature -22.0 °F  | 
            ISO 179/1eU | |||
| Charpy Impact, Notched | 1.50 J/cm² | 7.14 ft-lb/in² | ISO 179/1eA | ||
| 1.30 J/cm² @Temperature -30.0 °C  | 
            6.19 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 | 3.00e+14 ohm | 3.00e+14 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 | 44.0 kV/mm | 1120 kV/in | IEC 60243-1 | ||
| Dissipation Factor | 0.00050 @Frequency 100 Hz  | 
            0.00050 @Frequency 100 Hz  | 
            IEC 60250 | ||
| 0.0050 @Frequency 1.00e+6 Hz  | 
            0.0050 @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 0.46 MPa (66 psi) | 157 °C | 315 °F | ISO 75-1/-2 | ||
| Deflection Temperature at 1.8 MPa (264 psi) | 99.0 °C | 210 °F | ISO 75-1/-2 | ||
| De | 
        |||||
| Additives | Release agent | ||||
| Delivery form | Pellets | ||||
| Emissions | <2 mg/kg | VDA 275 | |||
| 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 | 
        |||
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。
上海松翰塑化科技有限公司,供应原料,品质真实,物实价廉。
PA6T,46,9T、PC、PC/ABS、PBT、ABS、PPA、PPS、POM、PMMA、TPE、PPO、LCP液晶聚合物。
欢迎各位客户前来咨询:
联系人: 夏先生  
手  机:13501802636   
QQ    :205730283  
邮 箱 :205730283@qq.com
参考图如下:
 

