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蓝宝?球体, AlO 99.9, 10mm 直径
蓝宝?球体, AlO 99.9, 10mm 直径图片
品牌: Goodfellow
产地: 英国
索取资料及报件/span>
品牌: Goodfellow
产地: 英国
产品介绍
订货叶/strong> 包装规格
405-329-14 1 Piece
038-344-13 2 Piece
204-533-30 5 Piece
815-289-81 10 Piece

产品参数

Diameter[直径] 10mm
Quantity[数量] 1 Piece - 10 Piece
Sphericity[球面] 0.625μm
Surface Finish[表面光洁度] Polished
Type[类型] Precision Sphere
Pultrusion(挤拉成型)
Compressive strength ( MPa ) 2100
Mechanical Properties(机械性能)
Hardness - Knoop ( kgf mm?? ) 2000
Hardness - Vickers ( kgf mm?? ) 1600 - 1800
Tensile modulus ( GPa ) 350.00 - 390.00
Tensile strength ( MPa ) 250.00 - 400.00
Thermal Properties(热性能)
Coefficient of thermal expansion ( x10?? K?? ) 5.800 @20-1000ℂ/td>
Melting point ( C ) 2050.00
Specific heat ( J K?? kg?? ) 750.0 @25ℂ/td>
Thermal conductivity ( W m?? K?? ) 35.00 - 40.00 @20ℂ/td>
Upper continuous use temperature ( C ) 1800 - 1950
Chemical Resistance(耐化学?
Acids - concentrated Good
Acids - dilute Good
Alkalis Good
Halogens Good
Metals Good
Physical Properties(物理性质)
Apparent porosity ( % ) 0.00
Density ( g cm?? ) 3.985
Refractive index 1.710-1.790
Useful optical transmission range 200 - 5500 nm
Electrical Properties(电气特?
Dielectric constant 7.5 - 11.5
Dielectric strength ( kV mm?? ) 15.0 - 50.0
Volume resistivity ( Ohmcm ) >10??@25ℂ/td>

其他参数

公差

直径 5%
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