半岛bd体育手机客户端 介绍
| 订货号 |
包装规格 |
| Sizes |
| 921-635-84 |
250 mm x 250 mm |
| 204-484-46 |
500 mm x 500 mm |
半岛bd体育手机客户端 参数
| Thickness[厚度] |
0.5mm |
| Physical Properties(物理性质) |
| Abbe number |
80.0 - 84.0 |
| Density ( g cm?? ) |
1.200 |
| Flammability |
HB |
| Limiting oxygen index ( % ) |
17 |
| Radiation resistance |
Fair |
| Refractive index |
1.478 |
| Resistance to Ultra-violet |
Good |
| Water absorption - over 24 hours ( % ) |
0.900 - 2.200 |
| Chemical Resistance(耐化学性) |
| Acids - dilute |
Fair-Poor |
| Alcohols |
Poor |
| Alkalis |
Fair-Poor |
| Aromatic hydrocarbons |
Poor |
| Greases and Oils |
Good-Poor |
| Halogenated Hydrocarbons |
Poor |
| Halogens |
Poor |
| Ketones |
Poor |
| Mechanical Properties(机械性能) |
| Elongation at break ( % ) |
60.0 |
| Hardness - Rockwell |
99 |
| Izod impact strength ( J m?? ) |
260.0 |
| Tensile modulus ( GPa ) |
0.30 - 2.00 |
| Tensile strength ( MPa ) |
20.00 - 60.00 |
| Thermal Properties(热性能) |
| Coefficient of thermal expansion ( x10?? K?? ) |
140.000 |
| Heat-deflection temperature - 0.45MPa ( C ) |
73 |
| Heat-deflection temperature - 1.8MPa ( C ) |
62.0 |
| Lower working temperature ( C ) |
< -40 |
| Thermal conductivity ( W m?? K?? ) |
0.16 - 0.32 @23℃ |
| Upper working temperature ( C ) |
60 - 100 |
| Electrical Properties(电气特性) |
| Dielectric constant @1MHz |
3 - 6 |
| Dielectric strength ( kV mm?? ) |
10.0 |
| Dissipation factor @ 1kHz |
0.0400 |
| Volume resistivity ( Ohmcm ) |
10??-10?? |
其他参数
公差
| 长度 |
<100mm |
±1mm |
| ≥100mm |
+2% / -1% |
| 直径 |
<100mm |
±1mm |
| ≥100mm |
+2% / -1% |
| 厚度 |
|
±10% |
| 陶瓷 |
±20% |
| 复合材料 |
±20% |
| 聚合物 |
±20% |
| 长度 1 |
<100mm |
±1mm |
| ≥100mm |
+2% / -1% |
| 长度 2 |
<100mm |
±1mm |
| ≥100mm |
+2% / -1% |
|
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