半岛bd体育手机客户端 介绍
| 订货号 |
包装规格 |
| 077-407-50 |
1 Piece |
| 819-761-35 |
2 Piece |
| 785-843-16 |
5 Piece |
| 606-064-02 |
10 Piece |
| 707-493-66 |
20 Piece |
| 831-487-23 |
50 Piece |
半岛bd体育手机客户端 参数
| Colour[颜色] |
Natural |
| Diameter[直径] |
31.75mm |
| Quantity[数量] |
1 Piece - 50 Piece |
| Physical Properties(物理性质) |
| Density ( g cm?? ) |
0.950 |
| Flammability |
HB |
| Limiting oxygen index ( % ) |
17 |
| Radiation resistance |
Fair |
| Refractive index |
1.540 |
| Resistance to Ultra-violet |
Poor |
| Water absorption - over 24 hours ( % ) |
< 0.010 |
| Thermal Properties(热性能) |
| Coefficient of thermal expansion ( x10?? K?? ) |
100.000 - 200.000 |
| Heat-deflection temperature - 0.45MPa ( C ) |
75 |
| Heat-deflection temperature - 1.8MPa ( C ) |
46.0 |
| Specific heat ( J K?? kg?? ) |
1900.0 |
| Thermal conductivity ( W m?? K?? ) |
0.45 - 0.52 @23℃ |
| Upper working temperature ( C ) |
55 - 120 |
| Electrical Properties(电气特性) |
| Dielectric constant @1MHz |
2 - 2 |
| Dielectric strength ( kV mm?? ) |
22.0 |
| Dissipation factor @ 1MHz |
1.0000 - 10.0000 x 10?? |
| Surface resistivity ( Ohm/sq ) |
10?? |
| Volume resistivity ( Ohmcm ) |
10??-10?? |
| Mechanical Properties(机械性能) |
| Coefficient of friction |
0.29 |
| Hardness - Rockwell |
D60-73-Shore |
| Izod impact strength ( J m?? ) |
20.0 - - 210.0 |
| Poisson's ratio |
0.460 |
| Tensile modulus ( GPa ) |
0.50 - 1.20 |
| Tensile strength ( MPa ) |
15.00 - 40.00 |
| Chemical Resistance(耐化学性) |
| Acids - concentrated |
Good-Fair |
| Acids - dilute |
Good |
| Alcohols |
Good |
| Alkalis |
Good |
| Aromatic hydrocarbons |
Fair |
| Greases and Oils |
Good-Fair |
| Halogenated Hydrocarbons |
Fair-Poor |
| Halogens |
Fair-Poor |
| Ketones |
Good-Fair |
其他参数
公差
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