位置:首页 > 产品中心
石英熔融颗粒
品牌:Goodfellow
产地:英国


产品介绍
订货号包装规格
Weight
607-750-0550 g
188-083-08100 g
400-749-15250 g

产品参数

Nominal Granule Size[标称颗粒大小]1 to 2
Weight[重量]50 g - 250 g
Pultrusion(挤拉成型)
Compressive strength ( MPa )1100
Chemical Resistance(耐化学性)
Acids - concentratedGood
Acids - diluteGood
AlkalisFair
HalogensGood
MetalsFair
Physical Properties(物理性质)
Apparent porosity ( % )0.00
Density ( g cm⁻3 )2.200
Refractive index1.460
Useful optical transmission range180 - 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 constant3.8
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
Goodfellow(顾特服)
相关产品:
| 首页 | 联系我们 | 会员服务 | 推广服务 | 友情链接 |
版权所有 CopyRight © 2008-2025 粤ICP备08119708号