材料 >> 聚合物材料
乙烯,四氟乙烯共聚物,棒, ETFE, 80mm直径
半岛bd体育手机客户端 介绍
| 订货号 |
包装规格 |
| Length (Round) |
| 439-180-27 |
25 mm |
| 912-328-61 |
50 mm |
半岛bd体育手机客户端 参数
| Diameter[直径] |
80mm |
| Length[长度] |
25 mm - 50 mm |
| Chemical Resistance(耐化学性) |
| Acids - concentrated |
Good |
| Acids - dilute |
Good |
| Alcohols |
Good |
| Alkalis |
Good |
| Aromatic hydrocarbons |
Good |
| Greases and Oils |
Good |
| Halogenated Hydrocarbons |
Good |
| Halogens |
Good |
| Ketones |
Good |
| Electrical Properties(电气特性) |
| Dielectric constant @1MHz |
3 |
| Dielectric strength ( kV mm?? ) |
25.0 |
| Dissipation factor @ 1MHz |
0.0005 |
| Surface resistivity ( Ohm/sq ) |
>10?? |
| Volume resistivity ( Ohmcm ) |
10?? |
| Thermal Properties(热性能) |
| Coefficient of thermal expansion ( x10?? K?? ) |
90.000 - 170.000 |
| Heat-deflection temperature - 0.45MPa ( C ) |
105 |
| Heat-deflection temperature - 1.8MPa ( C ) |
70.0 |
| Lower working temperature ( C ) |
< -100 |
| Specific heat ( J K?? kg?? ) |
1900.0 - 2000.0 |
| Thermal conductivity ( W m?? K?? ) |
0.24 @23℃ |
| Upper working temperature ( C ) |
150 - 160 |
| Physical Properties(物理性质) |
| Density ( g cm?? ) |
1.700 |
| Flammability |
V-0 |
| Limiting oxygen index ( % ) |
30 - 32 |
| Radiation resistance |
Fair |
| Refractive index |
1.403 |
| Resistance to Ultra-violet |
Excellent |
| Water absorption ( % ) |
0.00 - 0.03 |
| Mechanical Properties(机械性能) |
| Elongation at break ( % ) |
250.0 -350.0 |
| Hardness - Rockwell |
R50 |
| Izod impact strength ( J m?? ) |
> 1000.0 |
| Tensile modulus ( GPa ) |
0.80 |
| Tensile strength ( MPa ) |
28.00 - 48.00 |
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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