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.
| 订货号 | 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⁻³ ) | 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 ( x10⁻⁶ K⁻¹ ) | 100.000 - 200.000 |
| Heat-deflection temperature - 0.45MPa ( C ) | 75 |
| Heat-deflection temperature - 1.8MPa ( C ) | 46.0 |
| Specific heat ( J K⁻¹ kg⁻¹ ) | 1900.0 |
| Thermal conductivity ( W m⁻¹ K⁻¹ ) | 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⁻¹ ) | 22.0 |
| Dissipation factor @ 1MHz | 1.0000 - 10.0000 x 10⁻⁴ |
| Surface resistivity ( Ohm/sq ) | 10¹³ |
| Volume resistivity ( Ohmcm ) | 10¹⁵-10¹⁸ |
| Mechanical Properties(机械性能) |
| Coefficient of friction | 0.29 |
| Hardness - Rockwell | D60-73-Shore |
| Izod impact strength ( J m⁻¹ ) | 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
| 外部直径 | ≤2mm | ±0.05mm |
|---|
| 聚合物 | ±10% |
| 陶瓷 | ±10% |
|
| ≤5mm | ±0.1mm |
| 聚合物 | ±10% |
| 陶瓷 | ±10% |
|
| >5mm | ±5% |
| 聚合物 | ±10% |
| 陶瓷 | ±10% |
|
| 壁厚 | | ±10% |
|---|
| 聚合物 | ±20% |
| 陶瓷 | ±20% |
|
| 长度 | <100mm | ±1mm |
|---|
| ≥100mm | +5% / -1% |
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