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PRODUCT DATA of Fused Silica
MaterialFused Silica
Product Datasheetfused silica quartz
Chemical CompositionSiO2
PHYSICAL PROPERTIES
Specific Gravity2.2
ELASTIC PROPERTIES
Tensile Modulus72.4 GPa
Shear Modulus30 to 31 GPa
Poisson Ratio0.17
ELECTRICAL PROPERTIES
Dielectric Constant3.8
Dielectric Strength50 kV/mm
THERMAL PROPERTIES
Temperature Range600 °C(maximum)
Thermal Conductivity1.4 W/m.K
Thermal Expansion Coefficient0.6 μstrain/°C
Specific Heat0.67
OPTICAL PROPERTIES
Refractive Index1.46