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原料比对
产品信息
品名
品牌名
典型应用
特性
认证
PBT/PTFE WL-4540-NAT 基础创新塑料(美国)
LNP™ LUBRICOMP™
航空航天应用
耐磨
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物性数据
| 热性能 | 测试条件 | 测试方法 | 基础创新塑料(美国)/WL-4540-NAT |
|---|---|---|---|
| 热变形温度 | 1.8MPa,未退火,3.20mm | ASTM D648 | 55.4 °C |
| 0.45MPa,Unannealed,64.0mmSpan | ISO 75-2/Bf | 158 °C | |
| 0.45MPa,未退火,3.20mm | ASTM D648 | 182 °C | |
| 1.8MPa,未退火,64.0mm跨距 | ISO 75-2/Af | 54.0 °C | |
| 线性热膨胀系数 | MD：-30到30°C | ASTM D696 | 6.8E-05 cm/cm/°C |
| TD：-30to30°C | ASTM D696 | 1.1E-04 cm/cm/°C |
| 冲击性能 | 测试条件 | 测试方法 | 基础创新塑料(美国)/WL-4540-NAT |
|---|---|---|---|
| 多轴向仪器化冲击能量 | ISO 6603-2 | 0.700 J | |
| 落镖冲击 | 23°C,TotalEnergy | ASTM D3763 | 2.20 J |
| 悬壁梁缺口冲击强度 | 23°C | ISO 180/1A | 3.7 kJ/m² |
| 悬壁梁无缺口冲击强度 | 23°C | ISO 180/1U | 20 kJ/m² |
| 机械性能 | 测试条件 | 测试方法 | 基础创新塑料(美国)/WL-4540-NAT |
|---|---|---|---|
| 拉伸模量 | ASTM D638 | 2280 Mpa | |
| ISO 527-2/1 | 2240 Mpa | ||
| 拉伸强度 | 断裂 | ASTM D638 | 37.0 Mpa |
| 屈服 | ISO 527-2/5 | 37.0 Mpa | |
| 屈服 | ASTM D638 | 37.0 Mpa | |
| 断裂 | ISO 527-2/5 | 37.0 Mpa | |
| 拉伸应变 | 屈服 | ISO 527-2/5 | 11 % |
| 断裂 | ISO 527-2/5 | 12 % | |
| 磨损因数 | Washer | ASTM D3702Modified | 16.0 10^-10in^5-min/ft-lb-hr |
| 摩擦系数 | Dynamic | ASTM D3702Modified | 0.24 |
| Static | ASTM D3702Modified | 0.13 | |
| 伸长率 | 屈服 | ASTM D638 | 11 % |
| 断裂 | ASTM D638 | 11 % | |
| 弯曲模量 | ISO 178 | 2130 Mpa | |
| 50.0mm跨距 | ASTM D790 | 2190 Mpa | |
| 弯曲强度 | ISO 178 | 64.0 Mpa |
| 物理性能 | 测试条件 | 测试方法 | 基础创新塑料(美国)/WL-4540-NAT |
|---|---|---|---|
| 收缩率 | MD：24小时 | ASTM D955 | 1.0-3.0 % |
| TD：24hr | ASTM D955 | 1.0-3.0 % | |
| 吸水率 | 平衡,23°C,50%RH | ISO 62 | 0.090 % |
| 24hr,50%RH | ASTM D570 | 0.050 % |