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Corning Vycor® 7950 Red Glass

Category	Ceramic , Glass , Optical , Oxide , Silicon Oxide
Manufacturer	Corning Incorporated
Trade Name	Vycor®
Port	Shanghai port,China
Trade Terms	FOB, CFR, CIF
Payment Terms	L/C, T/T, Western Union
Download PDF	Corning Vycor® 7950 Red Glass.pdf
Price	EMAIL US sales@lookpolymers.com
	Online Service lookpolymers 27660005

Material Notes:

Used to reduce the light of quartz lamps (blocks most visible white light while transmitting IR). One specific use is blocking glare from heating units.Special Features:Superior optical qualityTight dimensional controlThermal and chemical properties ideally suited to high temperatures.Excellent thermal shock resistanceInformation provided by Corning Incorporated.

Physical Properties	Metric	English	Comments
Density	2.18 g/cc	0.0788 lb/in³

Mechanical Properties	Metric	English	Comments
Hardness, Knoop	487	487	KHN<sup>100</sup>
Modulus of Elasticity	66.2 GPa	9600 ksi
Poissons Ratio	0.19	0.19
Shear Modulus	28.0 GPa	4060 ksi

Thermal Properties	Metric	English	Comments
CTE, linear	0.750 µm/m-°C @Temperature 0.000 - 300 °C	0.417 µin/in-°F @Temperature 32.0 - 572 °F
Specific Heat Capacity	0.750 J/g-°C	0.179 BTU/lb-°F
Thermal Conductivity	1.38 W/m-K	9.57 BTU-in/hr-ft²-°F
Maximum Service Temperature, Air	900 °C	1650 °F	Continuous
Softening Point	1530 °C	2790 °F	10<sup>7.6</sup> Poise
Annealing Point	1020 °C	1870 °F	10<sup>13</sup> Poise
Strain Point	890 °C	1630 °F	10<sup>14</sup> Poise

Optical Properties	Metric	English	Comments
IR Transmittance	60 % @Wavelength 800 nm	60 % @Wavelength 800 nm
	65 % @Wavelength 1500 nm	65 % @Wavelength 1500 nm

Component Elements Properties	Metric	English	Comments
SiO2	96 %	96 %

Electrical Properties	Metric	English
Volume Resistivity	1.30e+8 ohm-cm @Temperature 350 °C	1.30e+8 ohm-cm @Temperature 662 °F
	5.00e+9 ohm-cm @Temperature 250 °C	5.00e+9 ohm-cm @Temperature 482 °F
Dielectric Constant	3.8 @Frequency 1e+6 Hz	3.8 @Frequency 1e+6 Hz
Dissipation Factor	0.00040 @Frequency 1e+6 Hz	0.00040 @Frequency 1e+6 Hz

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