半岛bd体育手机客户端 介绍
| 订货号 |
包装规格 |
| Length (Round) |
| 405-568-31 |
100mm |
| 119-785-89 |
200mm |
| 991-269-62 |
500mm |
| 862-979-01 |
1000mm |
半岛bd体育手机客户端 参数
| Description[描述] |
Machining Feedstock |
| Diameter[直径] |
25mm |
| Length[长度] |
100mm - 1000mm |
| Mechanical Properties(机械性能) |
| Abrasive resistance - ASTM D1044 ( mg/1000 cycles ) |
10 - 15 |
| Coefficient of friction |
0.31 |
| Elongation at break ( % ) |
100.0 -150.0 |
| Hardness - Rockwell |
M70 |
| Izod impact strength ( J m?? ) |
600.0 - 850.0 |
| Poisson's ratio |
0.370 |
| Tensile modulus ( GPa ) |
2.30 - 2.40 |
| Tensile strength ( MPa ) |
55.00 - 75.00 |
| Physical Properties(物理性质) |
| Abbe number |
34.0 |
| Density ( g cm?? ) |
1.200 |
| Flammability |
V0-V2 |
| Limiting oxygen index ( % ) |
25 - 27 |
| Radiation resistance |
Fair |
| Refractive index |
1.584-6.000 |
| Resistance to Ultra-violet |
Fair |
| Water absorption - equilibrium ( % ) |
0.35 |
| Water absorption - over 24 hours ( % ) |
0.100 |
| Chemical Resistance(耐化学性) |
| Acids - concentrated |
Good |
| Acids - dilute |
Good |
| Alcohols |
Good |
| Alkalis |
Good-Poor |
| Aromatic hydrocarbons |
Poor |
| Greases and Oils |
Good-Fair |
| Halogenated Hydrocarbons |
Good-Poor |
| Halogens |
Poor |
| Ketones |
Poor |
| Thermal Properties(热性能) |
| Coefficient of thermal expansion ( x10?? K?? ) |
66.000 - 70.000 |
| Heat-deflection temperature - 0.45MPa ( C ) |
140 |
| Heat-deflection temperature - 1.8MPa ( C ) |
128.0 - 138.0 |
| Lower working temperature ( C ) |
-135 |
| Specific heat ( J K?? kg?? ) |
1200.0 |
| Thermal conductivity ( W m?? K?? ) |
0.19 - 0.22 @23℃ |
| Upper working temperature ( C ) |
115 - 130 |
| Electrical Properties(电气特性) |
| Dielectric constant @1MHz |
3 |
| Dielectric strength ( kV mm?? ) |
15.0 - 67.0 |
| Dissipation factor @ 1MHz |
0.0100 |
| Surface resistivity ( Ohm/sq ) |
10?? |
| Volume resistivity ( Ohmcm ) |
10??-10?? |
| Pultrusion(挤拉成型) |
| Compressive strength ( MPa ) |
> 80 |
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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