材料 >> 陶瓷
石英,熔融,管, SiO, 20mm ID, 23mm OD
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介绍 | 订货号 | 包装规格 | | Length (Round) | | 543-133-32 | 100 mm | | 891-664-15 | 200 mm | | 458-020-09 | 500 mm | | 252-504-53 | 1000 mm |
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参数 | Inside Diameter[内部直径] | 20mm | | Length[长度] | 100 mm - 1000 mm | | Outside Diameter[外部直径] | 23mm | | Wall Thickness[壁厚] | 1.5mm | | Pultrusion(挤拉成型) | | Compressive strength ( MPa ) | 1100 | | Chemical Resistance(耐化学性) | | Acids - concentrated | Good | | Acids - dilute | Good | | Alkalis | Fair | | Halogens | Good | | Metals | Fair | | Physical Properties(物理性质) | | Apparent porosity ( % ) | 0.00 | | Density ( g cm⁻³ ) | 2.200 | | Refractive index | 1.460 | | Useful optical transmission range | 180 - 2500 nm | | Thermal Properties(热性能) | | Coefficient of thermal expansion ( x10⁻⁶ K⁻¹ ) | 0.540 @20-1000 | | Melting point ( C ) | 1715.00 | | Specific heat ( J K⁻¹ kg⁻¹ ) | 670.0 - 740.0 @25℃ | | Thermal conductivity ( W m⁻¹ K⁻¹ ) | 1.46 @20℃ | | Upper continuous use temperature ( C ) | 1100 - 1400 | | Electrical Properties(电气特性) | | Dielectric constant | 3.8 | | Dielectric strength ( kV mm⁻¹ ) | 25.0 - 40.0 | | Volume resistivity ( Ohmcm ) | 10¹⁸@25℃ | | Mechanical Properties(机械性能) | | Hardness - Knoop ( kgf mm⁻² ) | 820 | | Hardness - Vickers ( kgf mm⁻² ) | 1000 | | Shear strength ( MPa ) | 70 | | Tensile modulus ( GPa ) | 72.00 - 74.00 | | Tensile strength ( MPa ) | 48.00 |
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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