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Ceradyne Thermo-Sil® HS Fused Silica

Category Ceramic , Oxide , Silicon Oxide
Manufacturer Ceradyne Advanced Ceramics
Trade Name Thermo-Sil®
Port Ningbo port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Ceradyne Thermo-Sil® HS Fused Silica.pdf
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Material Notes:
Fused Silica is an excellent thermal insulator with an extremely low coefficient of thermal expansion. It is excellent for thermal shock applications. The key characteristics of this material are:High Thermal Shock Resistance Radio wave, IR & Microwave Transparent Information provided by Ceradyne Company
Physical Properties Metric English Comments
Bulk Density 1.99 - 2.02 g/cc
0.0719 - 0.0730 lb/in³
Water Absorption 8.0 - 10 %
8.0 - 10 %
ASTM C20
Porosity 8.0 - 10 %
8.0 - 10 %
ASTM C20
Crystallinity <= 1.0 %
<= 1.0 %
Mechanical Properties Metric English Comments
Modulus of Elasticity 37.2 GPa
5400 ksi
Modulus of Rupture 0.0172 - 0.0200 GPa
2.49 - 2.90 ksi
ASTM C133
Flexural Strength 17.2 - 20.0 MPa
2490 - 2900 psi
Compressive Strength 48.3 - 51.7 MPa
7010 - 7500 psi
ASTM C133
Thermal Properties Metric English Comments
CTE, linear 0.600 µm/m-°C

@Temperature 20.0 °C
0.333 µin/in-°F

@Temperature 68.0 °F
Specific Heat Capacity 0.630 J/g-°C

@Temperature 800 °C
0.151 BTU/lb-°F

@Temperature 1470 °F
1.00 J/g-°C

@Temperature 20.0 °C
0.239 BTU/lb-°F

@Temperature 68.0 °F
Thermal Conductivity 0.840 W/m-K
5.83 BTU-in/hr-ft²-°F
Shrinkage 0.0 %

@Temperature 1100 °C
0.0 %

@Temperature 2010 °F
Optical Properties Metric English Comments
IR Transmittance 90 %
90 %
transparent; thickness not quantified
UV Transmittance 90 %
90 %
transparent; thickness not quantified
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