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Momentive Performance Materials Type 214 Fused Quartz Tubing

Category Ceramic , Glass , Oxide , Silicon Oxide
Manufacturer Momentive Performance Materials (Former GE Quartz)
Trade Name
Port Shanghai port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Momentive Performance Materials Type 214 Fused Quartz Tubing.pdf
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Material Notes:
Used for clear fused quartz lamp tubing. GE 214 is a high purity, high transmittance, high temperature material with a low hydroxyl (OH-) content. It is suitable for a broad range of mercury, halogen, and other quartz lamp applications. Softening point 1683°C. Annealing point 1215°C. Strain point 1120°C.Data provided by GE Quartz.GE Quartz became a part of Momentive Performance Materials in 2006.
Physical Properties Metric English Comments
Density 2.20 g/cc
0.0795 lb/in³
Viscosity 7.60e+14 cP

@Temperature 1100 °C
 7.60e+14 cP

@Temperature 2010 °F
Mechanical Properties Metric English Comments
Knoop Microhardness 570
570
kg/mm²
Hardness, Mohs 5.5 - 6.0
5.5 - 6.0
Tensile Strength, Ultimate 48.0 MPa
6960 psi
design tensile strength
Modulus of Elasticity 72.0 GPa
10400 ksi
Young's Modulus
Compressive Strength >= 1100 MPa
>= 160000 psi
Lower limit of design compressive strength
Poissons Ratio 0.17
0.17
Shear Modulus 31.0 GPa
4500 ksi
Thermal Properties Metric English Comments
CTE, linear 0.400 µm/m-°C

@Temperature 20.0 °C
 0.222 µin/in-°F

@Temperature 68.0 °F
0.450 µm/m-°C

@Temperature 1000 °C
 0.250 µin/in-°F

@Temperature 1830 °F
0.600 µm/m-°C

@Temperature 500 °C
 0.333 µin/in-°F

@Temperature 932 °F
0.700 µm/m-°C

@Temperature 250 °C
 0.389 µin/in-°F

@Temperature 482 °F
Specific Heat Capacity 0.670 J/g-°C

@Temperature 0.000 - 50.0 °C
 0.160 BTU/lb-°F

@Temperature 32.0 - 122 °F
Thermal Conductivity 1.40 W/m-K
9.72 BTU-in/hr-ft²-°F
Softening Point 1683 °C
3061 °F
Annealing Point 1215 °C
2219 °F
Strain Point 1120 °C
2050 °F
Optical Properties Metric English Comments
Refractive Index 1.4585
1.4585
Transmission, Visible 92 %
92 %
Entire visible spectrum; 1 mm thickness (includes surface reflection losses)
IR Transmittance 93 %

@Wavelength 1000 - 3000 nm,
Thickness 1.00 mm
 93 %

@Wavelength 1000 - 3000 nm,
Thickness 0.0394 in
 Cutoff is at 5000 nm; (includes surface reflection losses).
UV Transmittance 80 %

@Wavelength 190 - 290 nm,
Thickness 1.00 mm
 80 %

@Wavelength 190 - 290 nm,
Thickness 0.0394 in
 Cutoff is at 160 nm; (includes surface reflection losses).
Electrical Properties Metric English Comments
Electrical Resistivity 7.00e+7 ohm-cm

@Temperature 350 °C
 7.00e+7 ohm-cm

@Temperature 662 °F
Dielectric Constant 3.75

@Frequency 1e+6 Hz
 3.75

@Frequency 1e+6 Hz
Dielectric Strength 4.00 kV/mm
102 kV/in
1 MHz
50.0 kV/mm
1270 kV/in
at 100 Hz
Dissipation Factor <= 0.00010
<= 0.00010
Descriptive Properties Value Comments
Color Clear
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