品牌: Goodfellow纯度含量: 99.995%产地: 英国
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| 品牌: | Goodfellow | | 纯度含量: | 99.995% | | 产地: | 英国 |
产品介绍 | 订货号 | 包装规格 | | Weight | | 573-212-77 | 50 g | | 754-689-76 | 100 g | | 477-096-81 | 200 g | | 808-879-11 | 500 g | | 081-634-80 | 1000 g | | 042-485-70 | 2000 g | | 584-576-94 | 5000 g |
产品参数 | Nominal Granule Size[标称颗粒大小] | 3 | | Purity[纯度] | 99.995% | | Weight[重量] | 50 g - 5000 g | | Typical Analysis(典型分析) | | Al | 15 PPM | | Li | 1 PPM | | Na | 1 PPM | | Zr | 2 PPM | | 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 |
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