These tubes have been biaxially oriented by a process developed by IRC, Leeds University and have axial and hoop strengths which are significantly higher than those of isotropic material.
| 订货叶/strong> |
包装规格 |
| Length (Round) |
| 906-398-49 |
100mm |
| 299-803-34 |
200mm |
| 475-417-53 |
500mm |
| 624-151-79 |
680mm |
产品参数
| Colour[颜色] |
Yellow |
| Inside Diameter[内部直径] |
57mm |
| Length[长度] |
100mm - 680mm |
| Outside Diameter[外部直径] |
63mm |
| Structure[结构] |
Biaxially Oriented Tube |
| Wall Thickness[壁厚] |
3mm |
| 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 @23ℂ/td> |
| Upper working temperature ( C ) |
55 - 120 |
| Electrical Properties(电气特? |
| 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? |
| 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
| 外部直径 |
?mm |
0.05mm |
| 聚合?/td> |
10% |
| 陶瓷 |
10% |
|
| ?mm |
0.1mm |
| 聚合?/td> |
10% |
| 陶瓷 |
10% |
|
| >5mm |
5% |
| 聚合?/td> |
10% |
| 陶瓷 |
10% |
|
| 壁厚 |
|
10% |
| 聚合?/td> |
20% |
| 陶瓷 |
20% |
|
| 长度 |
<100mm |
1mm |
| ?00mm |
+5% / -1% |
