常用塑料物性-表格扫描(修订版)

表2-1低密度聚乙烯、LLDPE和高密度聚乙烯的具体性能性能量LDPELLDPE高密度聚乙烯相对密度0.910.930.920.9250.920.97吸水率/%0.010.010.01成型收缩率/%1.55.01.55.52.05.0拉伸强度/MPa715岁15252137断裂伸长率/%650880500弯曲强度/MPa3411抗压强度/MPa2810缺口冲击强度/(kJ/m2)8090704070罗氏硬度R45R70热变形温度(1.86兆帕)/507578脆性温度/-80-55-120-140-120线性膨胀系数/(10-5K-1)20241213导热率/瓦/(毫卡)0.350.44体积电阻率/cm6101561015介电常数(106赫兹)2.282.322.342.38介电损耗角正切(106赫兹)0.00030.0003介电强度/(千伏/毫米)2020电弧电阻/秒115115氧指数/%2020表2-9不同聚氯乙烯的性能性能量通用软聚氯乙烯电器用软聚氯乙烯硬质聚氯乙烯相对密度l.21.61.21.61.4l.6吸水率/%0.250.150.750.070.4成型收缩率/%1.52.51.52.50.61.0拉伸强度/MPa10.5 20.1升10.5 20.1升45.7断裂伸长率/%10050010050025弯曲强度/MPa100弯曲模量/MPa3000抗压强度/MPa8.88.820.5缺口冲击强度/(kJ/m2)2.210.6肖氏硬度A5095A6095D7585长期使用温度/6070801048090线性膨胀系数/(10-5K-1)725725518.5导热率/瓦/(毫卡)0.150.150.16体积电阻率/cm10111013101l 101410121014介电常数(106赫兹)59453.23.6介电损耗角正切(106赫兹)0.080.150.080.150.02介电强度/(千伏/毫米)14.729.526.59.8535电弧电阻/秒6080表2-15聚丙烯的特殊性能性能量数据性能量数据相对密度0.90热变形温度(1.82兆帕)/102吸水率/%0.01脆性温度/-88成型收缩率/%12.5线性膨胀系数/(10-5K-1)610拉伸强度/MPa29导热率/瓦/(毫卡)0.24断裂伸长率/%200体积电阻率/cm1019弯曲强度/MPa50介电常数(106赫兹)2.15抗压强度/MPa45介电损耗角正切(106赫兹)0.0008缺口冲击强度/(kJ/m2)0.5介电强度/(千伏/毫米)24.6罗氏硬度R80110电弧电阻/秒185摩擦因数0.51氧指数/%18磨损标记宽度/毫米l0.4表2-18聚苯乙烯的具体性能性能量数据性能量数据相对密度1.05维卡软化温度/100吸水率/%0.05长期使用温度/6075成型收缩率/%0.40.7脆性温度/-30透光率/%8892线性膨胀系数/(10-5K-1)8折射率1.591.60导热率/瓦/(毫卡)0.14拉伸强度/MPa50体积电阻率/cm10171019断裂伸长率/%2介电常数(106赫兹)2.452.65弯曲强度/MPal05介电损耗角正切(106赫兹)(12)l0-4抗压强度/MPa115介电强度/(千伏/毫米)2028弯曲弹性模量/兆帕3200电弧电阻/秒60l35缺口冲击强度/(kJ/m2)16氧指数/%20罗氏硬度M6590表2-21防抱死制动系统的具体性能性能量高冲击型耐热型中等冲击类型相对密度1.021.051.061.081.051.07吸水率/%0.20.450.20.450.20.45成型收缩率/%0.30.80.30.80.30.8拉伸强度/MPa354445574262断裂伸长率/%560320525弯曲强度/MPa528170856972抗压强度/MPa496465717388悬臂梁缺口冲击强度/(J/m)16441125622罗氏硬度R65109R105115R108115热变形温度(1.82兆帕)/9310310411893107线性膨胀系数/(10-5K-l)9.510.56.09.058.5导热率/瓦/(毫卡)0.160.290.160.290.160.29体积电阻率/cm(14.8)1016(15)1016(15)1016介电常数(106赫兹)2.43.82.43.82.43.8介电损耗角正切(106赫兹)0.0090.0090.009介电强度/(千伏/毫米)132013201320电弧电阻/秒668266826682氧指数/%202020表2-22空调系统的主要性能性能量通用类阻燃等级性能量通用类阻燃等级相对密度1.071.16介电强度/(毫伏/米)2625.4拉伸强度/MPa31.3639.2体积电阻率/cm210157.3l015断裂伸长率/%4050介电常数(103赫兹)3.23.05冲击强度/(焦耳/米)490117.6氧指数/%28.5热变形温度/8678成型收缩率/%0.40.4表3-1聚酰胺的主要性能性能量PA6PA66PA1010尼龙610PA11PA12相对密度1.141.141.051.081.041.061.011.03吸水率/%3.04.23.43.61.51.82.01.050.25成型收缩率/%0.61.60.81.51.01.51.21.20.31.5拉伸强度/MPa7480556055625564断裂伸长率/%20060250200300250300罗氏硬度M114M118M116M95M108M106悬臂梁冲击强度/(焦耳/米)56404050563852116长期使用温度/105105806055热变形温度/70755752热导率/W/(m-K)0.280.240.160.40.220.29线性膨胀系数/(l0-5K-1)6.57811介电常数(l03Hz)3.83.93.63.63.74.5体积电阻率/cm510137101441014410144101381014介电强度/(千伏/毫米)18151015181715介电损耗角正切(l06Hz)0.020.020.020.020.03表3-6聚碳酸酯和玻璃纤维增强聚碳酸酯的性能性能量个人电脑30%玻璃纤维增强聚碳酸酯相对密度1.21.45吸水率/%0.150.1成型收缩率/%0.50.2拉伸强度/MPa5666132拉伸模量/兆帕2100240010000断裂伸长率/%601205弯曲强度/MPa8085170弯曲模量/MPa21002440抗压强度/MPa7580120130剪切强度/MPa35缺口冲击强度/(kJ/m2)17248罗氏硬度M80M90疲劳极限106次/兆帕10.5热变形温度(1.82兆帕)/130135146长期使用温度/110130线性膨胀系数/(10-5K-1)7.22.7导热率/瓦/(毫卡)0.20.13体积电阻率/cm2.110161.51016介电常数(106赫兹)2.93.45介电损耗角正切(106赫兹)0.00830.0070介电强度/(千伏/毫米)1819电弧电阻/秒120120表3-8均聚物聚甲醛和共聚物聚甲醛的性能性别指数均质聚甲醛共聚聚甲醛25%玻璃纤维总聚甲醛相对密度1.431.411.61吸水率/%0.250.21成型收缩率/%1.531.53.5拉伸强度/MPa7062130断裂伸长率/%4060拉伸模量/兆帕316028308300弯曲强度/MPa9098182弯曲模量/MPa288026007600抗压强度/MPa127110剪切强度/MPa6754缺口冲击强度/(焦耳/米)766586罗氏硬度M94M80摩擦因数0.15疲劳极限/MPa3531热变形温度(1.82兆帕)/110124l63长期使用温度/80100线性膨胀系数/(10-5K-l)7.58.52.6导热率/瓦/(毫卡)0.230.23体积电阻率/cm101510153.81014介电常数(106赫兹)3.82.7介电损耗角正切(106赫兹)0.0050.007介电强度/(千伏/毫米)2020电弧电阻/秒220240表3-9纯PBT和改性PBT的性能性能量纯PBT30%GFPBT阻燃增强PBT相对密度1.311.531.67吸水率/%0.090.070.07成型收缩率/%0.51.00.51.2拉伸强度/MPa55137137断裂伸长率/%20030044弯曲强度/MPa85196196弯曲模量/GPa2.358.828.82缺口冲击强度/(kJ/m2)4.317.846.86罗氏硬度M72R121M90线性膨胀系数/(10-5K-1)8.89.62.72.7热变形温度(1.82兆帕)/58220220230长期使用温度/120120140120l40介电常数3.13.73.7介电强度/(千伏/