材料 >> 陶瓷
红宝石,球体, AlO CrO SiO, 2mm 直径
半岛bd体育手机客户端 介绍
| 订货号 |
包装规格 |
| 446-725-86 |
10 Piece |
| 357-174-74 |
20 Piece |
| 611-526-56 |
50 Piece |
| 732-584-10 |
100 Piece |
半岛bd体育手机客户端 参数
| Diameter[直径] |
2mm |
| Quantity[数量] |
10 Piece - 100 Piece |
| Sphericity[球面] |
0.625μm |
| Surface Finish[表面光洁度] |
Polished |
| Type[类型] |
Precision Sphere |
| Mechanical Properties(机械性能) |
| Hardness - Knoop ( kgf mm?? ) |
2000 |
| Hardness - Vickers ( kgf mm?? ) |
2500 - 3000 |
| Tensile modulus ( GPa ) |
350.00 - 390.00 |
| Tensile strength ( MPa ) |
250.00 - 400.00 |
| Physical Properties(物理性质) |
| Apparent porosity ( % ) |
0.00 |
| Density ( g cm?? ) |
3.980 |
| Useful optical transmission range |
150 - 5500 nm |
| Pultrusion(挤拉成型) |
| Compressive strength ( MPa ) |
2100 |
| Electrical Properties(电气特性) |
| Dielectric constant |
7.5 - 11.5 |
| Dielectric strength ( kV mm?? ) |
15.0 - 50.0 |
| Volume resistivity ( Ohmcm ) |
10??@25℃ |
| Chemical Resistance(耐化学性) |
| Acids - concentrated |
Good |
| Acids - dilute |
Good |
| Alkalis |
Good |
| Halogens |
Good |
| Metals |
Good |
| Thermal Properties(热性能) |
| Coefficient of thermal expansion ( x10?? K?? ) |
5.800 @20-1000℃ |
| Melting point ( C ) |
2050.00 |
| Specific heat ( J K?? kg?? ) |
750.0 @25℃ |
| Thermal conductivity ( W m?? K?? ) |
35.00 - 40.00 @20℃ |
| Upper continuous use temperature ( C ) |
1800 - 1950 |
其他参数
公差
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