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Momentive Performance Materials Type 219 Fused Quartz Tubing

Category Ceramic , Glass , Oxide , Silicon Oxide
Manufacturer Momentive Performance Materials (Former GE Quartz)
Trade Name
Port Ningbo port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Momentive Performance Materials Type 219 Fused Quartz Tubing.pdf
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Material Notes:
Known as "Ozone-Free" or "Germicidal" quartz tubing. Transmits UV-A and UV-B while blocking the deep, high energy wavelengths that cause ozone generation and pose the greatest exposure risks. Transmits the 253.7 nm mercury emission very efficiently, making it an ideal material for disinfecting applications and various other UV treatments. Softening point 1660°C. Annealing point 1204°C. Strain point 1106°C.Data provided by GE Quartz.GE Quartz became a part of Momentive Performance Materials in 2006.
Physical Properties Metric English Comments
Density 2.21 g/cc
0.0798 lb/in³
Viscosity 5.60e+14 cP

@Temperature 1100 °C
 5.60e+14 cP

@Temperature 2010 °F
Mechanical Properties Metric English Comments
Knoop Microhardness 570
570
kg/mm²
Hardness, Mohs 5.5 - 6.5
5.5 - 6.5
(Type 214)
Modulus of Elasticity 75.0 GPa
10900 ksi
Young's Modulus
Compressive Strength 94.0 MPa
13600 psi
design compressive strength
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 0.700 J/g-°C

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

@Temperature 32.0 - 122 °F
Thermal Conductivity 1.40 W/m-K
9.72 BTU-in/hr-ft²-°F
Softening Point 1660 °C
3020 °F
Annealing Point 1204 °C
2199 °F
Strain Point 1106 °C
2023 °F
Optical Properties Metric English Comments
Refractive Index 1.456
1.456
Transmission, Visible 92 %
92 %
Entire visible spectrum; 1 mm thickness (includes surface reflection losses)
IR Transmittance 93 %

@Wavelength <=2500 nm,
Thickness 1.00 mm
 93 %

@Wavelength <=2500 nm,
Thickness 0.0394 in
 Very wavelength dependent - drop begins above 2500 nm and cutoff almost complete at 4200 nm; (includes surface reflection losses)
UV Transmittance 0.00 %

@Wavelength <=220 nm,
Thickness 1.00 mm
 0.00 %

@Wavelength <=220 nm,
Thickness 0.0394 in
 Highly wavelength dependent - cutoff below 220 nm; (includes surface reflection losses)
Electrical Properties Metric English Comments
Electrical Resistivity 2.50e+10 ohm-cm

@Temperature 350 °C
 2.50e+10 ohm-cm

@Temperature 662 °F
Dielectric Constant 5.8

@Frequency 1e+6 Hz
 5.8

@Frequency 1e+6 Hz
Descriptive Properties Value Comments
Color Clear
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