材料 >> 聚合物材料
四氟乙烯,全氟(烷氧基乙烯醚)共聚物,棒, PFA, 25mm直径
半岛bd体育手机客户端 介绍
| 订货号 |
包装规格 |
| Length (Round) |
| 389-928-87 |
100 mm |
| 211-214-45 |
200 mm |
| 034-624-09 |
300 mm |
| 100-264-69 |
600 mm |
半岛bd体育手机客户端 参数
| Diameter[直径] |
25mm |
| Length[长度] |
100 mm - 600 mm |
| Chemical Resistance(耐化学性) |
| Acids - concentrated |
Excellent |
| Acids - dilute |
Excellent |
| Alcohols |
Excellent |
| Alkalis |
Excellent |
| Aromatic hydrocarbons |
Excellent |
| Greases and Oils |
Excellent |
| Halogens |
Excellent |
| Ketones |
Excellent |
| Thermal Properties(热性能) |
| Coefficient of thermal expansion ( x10?? K?? ) |
76.000 - 78.000 |
| Heat-deflection temperature - 0.45MPa ( C ) |
63 - 80 |
| Heat-deflection temperature - 1.8MPa ( C ) |
48.0 - 50.0 |
| Thermal conductivity ( W m?? K?? ) |
0.19 |
| Upper working temperature ( C ) |
260 |
| Electrical Properties(电气特性) |
| Dielectric constant @1MHz |
2 - 2 |
| Dielectric constant @1kHz |
2.05 - 2.06 |
| Dissipation factor @ 1MHz |
0.0008 |
| Dissipation factor @ 1kHz |
0.0001 - 0.0002 |
| Physical Properties(物理性质) |
| Density ( g cm?? ) |
2.150 |
| Flammability |
V-0 |
| Limiting oxygen index ( % ) |
> 95 % |
| Refractive index |
1.350 |
| Water absorption ( % ) |
< 0.03 |
| Mechanical Properties(机械性能) |
| Elongation at break ( % ) |
300.0 |
| Tensile strength ( MPa ) |
25.00 |
其他参数
公差
| 直径 |
≤10mm |
±10% |
| 聚合物 |
+20% / -10% |
| 陶瓷 |
+20% / -10% |
|
| >10mm |
±5% |
| 陶瓷 |
+20% / -10% |
| 聚合物 |
+20% / -10% |
|
| 长度 |
<100mm |
±1mm |
| ≥100mm |
+5% / -1% |
|
|
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