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Ceradyne Thermo-Sil® UHS 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® UHS Fused Silica.pdf
Price	EMAIL US sales@lookpolymers.com

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	1.92 - 2.02 g/cc	0.0694 - 0.0730 lb/in³
Water Absorption	8.0 - 12 %	8.0 - 12 %	ASTM C20
Porosity	8.0 - 12 %	8.0 - 12 %	ASTM C20
Crystallinity	<= 0.50 %	<= 0.50 %

Mechanical Properties	Metric	English	Comments
Modulus of Elasticity	36.5 - 40.0 GPa	5290 - 5800 ksi
Modulus of Rupture	0.0545 - 0.0579 GPa	7.90 - 8.40 ksi	ASTM C133
Flexural Strength	54.5 - 57.9 MPa	7900 - 8400 psi
Compressive Strength	172.4 - 241.4 MPa	25000 - 35010 psi	ASTM C133

Thermal Properties	Metric	English
CTE, linear	0.500 µm/m-°C @Temperature 20.0 °C	0.278 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	0.750 W/m-K	5.20 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

Electrical Properties	Metric	English	Comments
Dielectric Constant	3.27 - 3.31	3.27 - 3.31
Dissipation Factor	0.0010	0.0010

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