材料 >> 聚合物材料
聚四氟乙烯,玻璃填充,棒, PTFE 25% GF, 25mm直径
半岛bd体育手机客户端 介绍
| 订货号 |
包装规格 |
| Length (Round) |
| 719-431-50 |
50 mm |
| 210-497-58 |
100 mm |
| 312-199-05 |
200 mm |
| 024-884-84 |
500 mm |
| 110-602-11 |
1000 mm |
半岛bd体育手机客户端 参数
| Diameter[直径] |
25mm |
| Length[长度] |
50 mm - 1000 mm |
| Chemical Resistance(耐化学性) |
| Acids - concentrated |
Poor |
| Acids - dilute |
Good |
| Alcohols |
Good |
| Alkalis |
Good-Fair |
| Aromatic hydrocarbons |
Good |
| Greases and Oils |
Good |
| Halogenated Hydrocarbons |
Good |
| Halogens |
Good |
| Ketones |
Good |
| Mechanical Properties(机械性能) |
| Coefficient of friction |
0.08 - 0.10 |
| Elongation at break ( % ) |
100.0 -300.0 |
| Hardness - Rockwell |
D60-70-Shore |
| Izod impact strength ( J m?? ) |
144.0 |
| Tensile modulus ( GPa ) |
1.70 |
| Tensile strength ( MPa ) |
7.00 - 20.00 |
| Electrical Properties(电气特性) |
| Dielectric constant @1MHz |
2 - 2 |
| Dielectric strength ( kV mm?? ) |
40.0 |
| Dissipation factor @ 1kHz |
0.0030 |
| Surface resistivity ( Ohm/sq ) |
10?? |
| Volume resistivity ( Ohmcm ) |
10?? |
| Physical Properties(物理性质) |
| Density ( g cm?? ) |
2.250 |
| Flammability |
V-0 |
| Limiting oxygen index ( % ) |
95 |
| Resistance to Ultra-violet |
Good |
| Water absorption - over 24 hours ( % ) |
0.150 |
| Thermal Properties(热性能) |
| Coefficient of thermal expansion ( x10?? K?? ) |
75.000 - 100.000 |
| Thermal conductivity ( W m?? K?? ) |
0.33 - 0.42 @23℃ |
| Upper working temperature ( C ) |
260 |
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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