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Rulon Bearings

Corning 9754 Clear Germanate IR Transmitting Glass
Categories: Ceramic; Glass; Optical
Material Notes: Excellent clarity from UV to NIR, plus good environmental resistance.

Information provided by Corning Incorporated.
Vendors: No vendors are listed for this material. Please click here if you are a supplier and would like information on how to add your listing to this material.
 
Physical PropertiesMetricEnglishComments
Density 3.51 g/cc0.127 lb/in³
 
Mechanical PropertiesMetricEnglishComments
Hardness, Knoop 560560kg/mm²; 100 g load
Modulus of Elasticity 84.0 GPa12200 ksi
Modulus of Rupture 0.0439 GPa6.37 ksiAbraded
Poissons Ratio 0.290.29
Shear Modulus 35.4 GPa5130 ksi
 
Electrical PropertiesMetricEnglishComments
Volume Resistivity  3.20e+10 ohm-cm
@Temperature 550 °C		3.20e+10 ohm-cm
@Temperature 1020 °F
 3.20e+12 ohm-cm
@Temperature 450 °C		3.20e+12 ohm-cm
@Temperature 842 °F
 7.90e+14 ohm-cm
@Temperature 350 °C		7.90e+14 ohm-cm
@Temperature 662 °F
Dielectric Constant  9.95
@Frequency 100 - 10000 Hz,
Temperature 350 °C		9.95
@Frequency 100 - 10000 Hz,
Temperature 662 °F
 10.05
@Frequency 10000 Hz,
Temperature 400 °C		10.05
@Frequency 10000 Hz,
Temperature 752 °F
 10.08
@Frequency 100 Hz,
Temperature 400 °C		10.08
@Frequency 100 Hz,
Temperature 752 °F
 10.08
@Frequency 1000 Hz,
Temperature 400 °C		10.08
@Frequency 1000 Hz,
Temperature 752 °F
 10.35
@Frequency 10000 Hz,
Temperature 550 °C		10.35
@Frequency 10000 Hz,
Temperature 1020 °F
 10.41
@Frequency 1000 Hz,
Temperature 550 °C		10.41
@Frequency 1000 Hz,
Temperature 1020 °F
 10.61
@Frequency 100 Hz,
Temperature 550 °C		10.61
@Frequency 100 Hz,
Temperature 1020 °F
Dissipation Factor  0.00115
@Frequency >=100 Hz,
Temperature 300 °C		0.00115
@Frequency >=100 Hz,
Temperature 572 °F
 0.0013
@Frequency >=1000 Hz,
Temperature 3200 °C		0.0013
@Frequency >=1000 Hz,
Temperature 5790 °F
 0.00137
@Frequency >=100 Hz,
Temperature 25.0 °C		0.00137
@Frequency >=100 Hz,
Temperature 77.0 °F
 0.00137
@Frequency >=1000 Hz,
Temperature 25.0 °C		0.00137
@Frequency >=1000 Hz,
Temperature 77.0 °F
 0.0015
@Frequency >=10000 Hz,
Temperature 300 °C		0.0015
@Frequency >=10000 Hz,
Temperature 572 °F
 0.0017
@Frequency >=10000 Hz,
Temperature 25.0 °C		0.0017
@Frequency >=10000 Hz,
Temperature 77.0 °F
 0.0039
@Frequency >=10000 Hz,
Temperature 550 °C		0.0039
@Frequency >=10000 Hz,
Temperature 1020 °F
 0.013
@Frequency >=1000 Hz,
Temperature 550 °C		0.013
@Frequency >=1000 Hz,
Temperature 1020 °F
 0.072
@Frequency >=100 Hz,
Temperature 550 °C		0.072
@Frequency >=100 Hz,
Temperature 1020 °F
 
Thermal PropertiesMetricEnglishComments
Thermal Conductivity 1.00 W/m-K6.94 BTU-in/hr-ft²-°F
 2.01 W/m-K
@Temperature 190 °C		13.9 BTU-in/hr-ft²-°F
@Temperature 374 °F
 3.01 W/m-K
@Temperature 320 °C		20.9 BTU-in/hr-ft²-°F
@Temperature 608 °F
 4.02 W/m-K
@Temperature 425 °C		27.8 BTU-in/hr-ft²-°F
@Temperature 797 °F
 5.02 W/m-K
@Temperature 525 °C		34.8 BTU-in/hr-ft²-°F
@Temperature 977 °F
 6.02 W/m-K
@Temperature 600 °C		41.7 BTU-in/hr-ft²-°F
@Temperature 1110 °F
Maximum Service Temperature, Air 650 °C1200 °Fnormal
 850 °C1560 °Fextreme
Softening Point 874 °C1610 °F
Annealing Point 735 °C1360 °F
Strain Point 697 °C1290 °F
 
Optical PropertiesMetricEnglishComments
Refractive Index  1.56569
@Wavelength 5500 nm		1.56569
@Wavelength 5500 nm
 1.59521
@Wavelength 4500 nm		1.59521
@Wavelength 4500 nm
 1.61686
@Wavelength 3500 nm		1.61686
@Wavelength 3500 nm
 1.63203
@Wavelength 2500 nm		1.63203
@Wavelength 2500 nm
 1.6431
@Wavelength 1500 nm		1.6431
@Wavelength 1500 nm
 1.6506
@Wavelength 950 nm		1.6506
@Wavelength 950 nm
 1.65289
@Wavelength 850 nm		1.65289
@Wavelength 850 nm
 1.65599
@Wavelength 750 nm		1.65599
@Wavelength 750 nm
 1.656
@Wavelength 656.3 nm		1.656
@Wavelength 656.3 nm		nC
 1.6601
@Wavelength 589.3 nm		1.6601
@Wavelength 589.3 nm		nd
 1.66356
@Wavelength 600 nm		1.66356
@Wavelength 600 nm
 1.66754
@Wavelength 550 nm		1.66754
@Wavelength 550 nm
 1.6702
@Wavelength 486.1 nm		1.6702
@Wavelength 486.1 nm		nF
 1.69093
@Wavelength 400 nm		1.69093
@Wavelength 400 nm
Abbe Number 46.546.5vd
Transmission, Visible  85 %
@Thickness 1.346 mm,
Wavelength 400 nm		85 %
@Thickness 0.05299 in,
Wavelength 400 nm		Includes surface losses
 86 %
@Wavelength 450 - 650 nm,
Thickness 1.346 mm		86 %
@Wavelength 450 - 650 nm,
Thickness 0.05299 in		Includes surface losses
IR Transmittance  5.0 %
@Thickness 1.346 mm,
Wavelength 6000 nm		5.0 %
@Thickness 0.05299 in,
Wavelength 6000 nm		Includes surface losses
 68 %
@Thickness 1.346 mm,
Wavelength 5000 nm		68 %
@Thickness 0.05299 in,
Wavelength 5000 nm		Includes surface losses
 85 %
@Wavelength 3000 - 4000 nm,
Thickness 1.346 mm		85 %
@Wavelength 3000 - 4000 nm,
Thickness 0.05299 in		Includes surface losses
 88 %
@Wavelength 1000 - 2500 nm,
Thickness 1.346 mm		88 %
@Wavelength 1000 - 2500 nm,
Thickness 0.05299 in		Includes surface losses
UV Transmittance  0.00 %
@Thickness 1.346 mm,
Wavelength 250 nm		0.00 %
@Thickness 0.05299 in,
Wavelength 250 nm		Includes surface losses
 10 %
@Thickness 1.346 mm,
Wavelength 300 nm		10 %
@Thickness 0.05299 in,
Wavelength 300 nm		Includes surface losses
 70 %
@Thickness 1.346 mm,
Wavelength 350 nm		70 %
@Thickness 0.05299 in,
Wavelength 350 nm		Includes surface losses
 
Descriptive Properties
Stress Optical Coefficient262 nm/cm/kg/mm²

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