CoorsTek FUSED QUARTZ Min. 99.99% SiO 2

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CoorsTek FUSED QUARTZ Min. 99.99% SiO₂
Categories:	Ceramic; Oxide; Silicon Oxide
Material Notes:	Information provided by CoorsTek.
Key Words:	SiO2
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Physical Properties	Metric	English	Comments

Density	2.20 g/cc	0.0795 lb/in³	ASTM-C20

Mechanical Properties	Metric	English	Comments
Hardness, Vickers	5.0 @Load 1.00 kg	5.0 @Load 2.20 lb	ASTM-C1327
	6.0 @Load 0.500 kg	6.0 @Load 1.10 lb	ASTM-C1327
Modulus of Elasticity	72.0 GPa	10400 ksi	ASTM-C848
Flexural Strength	104 MPa	15100 psi	4-Point; ASTM-C1161
	128 MPa	18600 psi	3-Point; ASTM-C1161
Poissons Ratio	0.16	0.16	ASTM-C848
Fracture Toughness	1.10 MPa-m½	1.00 ksi-in½	K_IC; KNOOP 1000 gm

Electrical Properties	Metric	English	Comments
Volume Resistivity	9.00e+9 ohm-cm @Temperature 1000 °C	9.00e+9 ohm-cm @Temperature 1830 °F	ASTM-D1829
	1.00e+11 ohm-cm @Temperature 600 °C	1.00e+11 ohm-cm @Temperature 1110 °F	ASTM-D1829
	3.00e+11 ohm-cm @Temperature 500 °C	3.00e+11 ohm-cm @Temperature 932 °F	ASTM-D1829
	6.00e+12 ohm-cm @Temperature 300 °C	6.00e+12 ohm-cm @Temperature 572 °F	ASTM-D1829
	>= 1.00e+14 ohm-cm @Temperature 25.0 °C	>= 1.00e+14 ohm-cm @Temperature 77.0 °F	ASTM-D1829
Dielectric Constant	3.8 @Frequency 1e+6 Hz	3.8 @Frequency 1e+6 Hz	ASTM-D150
	3.8 @Frequency 5.00e+9 Hz	3.8 @Frequency 5.00e+9 Hz	TE₀₁₁ Resonant Mode
Dielectric Strength	31.5 kV/mm @Thickness 1.00 mm	800 kV/in @Thickness 0.0394 in	ASTM-D116
Dissipation Factor	<= 0.00010	<= 0.00010	ASTM-D150
	0.000060 @Frequency 5.00e+9 Hz	0.000060 @Frequency 5.00e+9 Hz	TE₀₁₁ Resonant Mode

Thermal Properties	Metric	English	Comments
CTE, linear	0.400 µm/m-°C @Temperature 1000 °C	0.222 µin/in-°F @Temperature 1830 °F	ASTM-C372
	0.500 µm/m-°C @Temperature 800 °C	0.278 µin/in-°F @Temperature 1470 °F	ASTM-C372
	0.700 µm/m-°C @Temperature 400 °C	0.389 µin/in-°F @Temperature 752 °F	ASTM-C372
Specific Heat Capacity	0.750 J/g-°C	0.179 BTU/lb-°F	ASTM-E1269
Thermal Conductivity	1.30 W/m-K	9.02 BTU-in/hr-ft²-°F	ASTM-C408

Component Elements Properties	Metric	English	Comments
Iron, Fe	<= 0.00010 %	<= 0.00010 %	in Sintered Material per Glow Discharge Mass Spec
Magnesium, Mg	<= 0.00010 %	<= 0.00010 %	in Sintered Material per Glow Discharge Mass Spec
Other, total	<= 0.0030 %	<= 0.0030 %	in Sintered Material per Glow Discharge Mass Spec
Silicon, Si	<= 0.00 %	<= 0.00 %	in Sintered Material per Glow Discharge Mass Spec
SiO2	>= 99.99 %	>= 99.99 %
Sodium, Na	<= 0.00010 %	<= 0.00010 %	in Sintered Material per Glow Discharge Mass Spec

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CCOOR824 / 254572

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