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Corning Vycor® 7930 Porous 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
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Material Notes:
Open cell porous glass which exhibits excellent moisture absorbing properties ("thirsty"). It is mechanically hard and strong, nondusting, nonflaking, and chemically inert. These properties allow it to be employed as a noncontaminating getter - it rapidly absorbs water and organic contaminants. It is often used for filtration and separation of compounds. The open-cell network allows permeability on a selective basis. Also available crushed/powdered.Information provided by Corning Incorporated.
Physical Properties Metric English Comments
Density 1.50 g/cc
0.0542 lb/in³
Porosity 28 %
28 %
by volume
Specific Surface Area 250 m²/g
250 m²/g
Internal
Pore Size 0.00400 microns
0.000157 mil
Average
Mechanical Properties Metric English Comments
Modulus of Elasticity 17.2 GPa
2500 ksi
Modulus of Rupture 0.0414 GPa
6.00 ksi
Abraded "A" Rods
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
Softening Point 1530 °C
2790 °F
Annealing Point 1020 °C
1870 °F
Strain Point 890 °C
1630 °F
Component Elements Properties Metric English Comments
B2O3 3.0 %
3.0 %
Na2O 0.40 %
0.40 %
SiO2 96 %
96 %
Electrical Properties Metric English Comments
Dielectric Constant 3.1

@Frequency 100 Hz
3.1

@Frequency 100 Hz
After activation at 400°C and desiccator drying
Dissipation Factor 0.0070

@Frequency 100 Hz
0.0070

@Frequency 100 Hz
After activation at 400°C and desiccator drying
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