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Ceradyne Thermo-Sil® Castable 220 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 220 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 2.06 - 2.12 g/cc
0.0744 - 0.0766 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 0.0103 - 0.0124 GPa
1.49 - 1.80 ksi
ASTM C133
Flexural Strength 10.3 - 12.4 MPa
1490 - 1800 psi
Compressive Strength 48.3 - 51.7 MPa
7010 - 7500 psi
ASTM C133
Thermal Properties Metric English Comments
CTE, linear 1.70 µm/m-°C

@Temperature 20.0 °C
0.944 µin/in-°F

@Temperature 68.0 °F
Thermal Conductivity 0.720 W/m-K
5.00 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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