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Ceradyne Thermo-Sil® Castable 120 Fused Silica

Category Ceramic , Oxide , Silicon Oxide
Manufacturer Ceradyne Advanced Ceramics
Trade Name Thermo-Sil®
Port Shanghai port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Ceradyne Thermo-Sil® Castable 120 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 1.856 g/cc
0.06705 lb/in³
Water Absorption 13 - 15 %
13 - 15 %
ASTM C20
Porosity 13 - 15 %
13 - 15 %
ASTM C20
Crystallinity <= 2.0 %
<= 2.0 %
Mechanical Properties Metric English Comments
Modulus of Rupture 0.00830 - 0.0103 GPa
1.20 - 1.49 ksi
ASTM C133
Flexural Strength 8.30 - 10.3 MPa
1200 - 1490 psi
Compressive Strength 27.6 - 41.4 MPa
4000 - 6000 psi
ASTM C133
Thermal Properties Metric English Comments
CTE, linear 0.800 µm/m-°C

@Temperature 20.0 °C
0.444 µin/in-°F

@Temperature 68.0 °F
Specific Heat Capacity 1.00 J/g-°C

@Temperature 20.0 °C
0.239 BTU/lb-°F

@Temperature 68.0 °F
Thermal Conductivity 0.620 W/m-K
4.30 BTU-in/hr-ft²-°F
Shrinkage 0.2 %

@Temperature 1100 °C
0.2 %

@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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