半岛bd体育手机客户端 介绍
| 订货号 |
包装规格 |
| Length (Round) |
| 578-229-47 |
200 mm |
| 278-684-72 |
500 mm |
| 835-587-73 |
1000 mm |
半岛bd体育手机客户端 参数
| Diameter[直径] |
20mm |
| Length[长度] |
200 mm - 1000 mm |
| Mechanical Properties(机械性能) |
| Abrasive resistance - ASTM D1044 ( mg/1000 cycles ) |
24 |
| Coefficient of friction |
0.20 - 0.40 |
| Elongation at break ( % ) |
50.0 |
| Hardness - Rockwell |
R77-83 |
| Izod impact strength ( J m?? ) |
120.0 - - 320.0 |
| Poisson's ratio |
0.340 |
| Tensile modulus ( GPa ) |
1.00 - 3.00 |
| Tensile strength ( MPa ) |
25.00 - 60.00 |
| Physical Properties(物理性质) |
| Density ( g cm?? ) |
1.760 |
| Flammability |
V-0 |
| Limiting oxygen index ( % ) |
44 |
| Radiation resistance |
Fair |
| Refractive index |
1.420 |
| Resistance to Ultra-violet |
Excellent |
| Water absorption - over 24 hours ( % ) |
0.040 |
| Thermal Properties(热性能) |
| Coefficient of thermal expansion ( x10?? K?? ) |
80.000 - 140.000 |
| Heat-deflection temperature - 0.45MPa ( C ) |
120 - 150 |
| Heat-deflection temperature - 1.8MPa ( C ) |
80.0 - 115.0 |
| Lower working temperature ( C ) |
-40 |
| Thermal conductivity ( W m?? K?? ) |
0.10 - 0.25 @23℃ |
| Upper working temperature ( C ) |
135 - 150 |
| Chemical Resistance(耐化学性) |
| Acids - concentrated |
Good |
| Acids - dilute |
Good |
| Alcohols |
Good |
| Alkalis |
Fair |
| Aromatic hydrocarbons |
Good |
| Greases and Oils |
Good |
| Halogenated Hydrocarbons |
Good-Fair |
| Halogens |
Good-Poor |
| Electrical Properties(电气特性) |
| Dielectric constant @1MHz |
8 |
| Dielectric strength ( kV mm?? ) |
13.0 |
| Dissipation factor @ 1kHz |
0.0600 |
| Surface resistivity ( Ohm/sq ) |
10?? |
| Volume resistivity ( Ohmcm ) |
10?? |
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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