半岛bd体育手机客户端 介绍
| 订货号 |
包装规格 |
| Length (Round) |
| 960-717-55 |
25mm |
| 429-112-54 |
50mm |
| 805-828-67 |
100mm |
半岛bd体育手机客户端 参数
| Description[描述] |
Bearing Grade |
| Diameter[直径] |
50.8mm |
| Grade[等级] |
Torlon? 4435 |
| Length[长度] |
25mm - 100mm |
| Physical Properties(物理性质) |
| Density ( g cm?? ) |
1.420 - 1.460 |
| Flammability |
V-0 |
| Limiting oxygen index ( % ) |
44 - 45 |
| Radiation resistance |
Good |
| Resistance to Ultra-violet |
Good |
| Water absorption - equilibrium ( % ) |
3.00 - 4.00 |
| Water absorption - over 24 hours ( % ) |
0.300 |
| Chemical Resistance(耐化学性) |
| Acids - concentrated |
Fair-Poor |
| Acids - dilute |
Fair |
| Alcohols |
Good-Poor |
| Alkalis |
Poor |
| Aromatic hydrocarbons |
Good |
| Greases and Oils |
Good |
| Halogenated Hydrocarbons |
Good-Poor |
| Halogens |
Good-Poor |
| Ketones |
Good |
| Mechanical Properties(机械性能) |
| Elongation at break ( % ) |
7.0 -15.0 |
| Hardness - Rockwell |
E72-86 |
| Izod impact strength ( J m?? ) |
60.0 - 140.0 - Notched |
| Poisson's ratio |
0.380 |
| Tensile modulus ( GPa ) |
4.50 - 6.80 |
| Tensile strength ( MPa ) |
110.00 - 190.00 |
| Thermal Properties(热性能) |
| Coefficient of thermal expansion ( x10?? K?? ) |
25.000 - 31.000 |
| Heat-deflection temperature - 1.8MPa ( C ) |
278.0 - 9.0 |
| Lower working temperature ( C ) |
<= -200 |
| Specific heat ( J K?? kg?? ) |
1000.0 |
| Thermal conductivity ( W m?? K?? ) |
0.26 - 0.54 @23℃ |
| Upper working temperature ( C ) |
200 - 260 |
| Electrical Properties(电气特性) |
| Dielectric constant @1MHz |
4 - 5 |
| Dielectric strength ( kV mm?? ) |
23.0 at 1mm |
| Dissipation factor @ 1MHz |
0.0300 - 0.0420 |
| Surface resistivity ( Ohm/sq ) |
8-50x10?? |
| Volume resistivity ( Ohmcm ) |
0.08-2x10?? |
| Pultrusion(挤拉成型) |
| Compressive strength ( MPa ) |
170 -220 |
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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