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Rulon Bearings

Schott P-SF69 723292.293, Optical Glass
Categories: Ceramic; Glass; Optical
Material Notes:

Information provided by SCHOTT.
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Physical PropertiesMetricEnglishComments
Density 2.93 g/cc0.106 lb/in³
 
Mechanical PropertiesMetricEnglishComments
Hardness, Knoop 612612HK (0.1/20)
Modulus of Elasticity 96.0 GPa13900 ksi
Poissons Ratio 0.2510.251
Shear Modulus 38.4 GPa5570 ksiCalculated
 
Thermal PropertiesMetricEnglishComments
CTE, linear  9.00 µm/m-°C
@Temperature -20.0 - 70.0 °C		5.00 µin/in-°F
@Temperature -4.00 - 158 °F
 11.1 µm/m-°C
@Temperature 30.0 - 200 °C		6.17 µin/in-°F
@Temperature 86.0 - 392 °F
Specific Heat Capacity 0.820 J/g-°C0.196 BTU/lb-°F
Thermal Conductivity 1.12 W/m-K7.77 BTU-in/hr-ft²-°F
Transformation Temperature, Tg 508 °C946 °F
Softening Point 602 °C1120 °Fviscosity of 107.6 cP
Annealing Point 508 °C946 °Fviscosity of 1013 cP
 
Optical PropertiesMetricEnglishComments
Refractive Index  1.674
@Wavelength 2323.4 nm		1.674
@Wavelength 2323.4 nm
 1.68
@Wavelength 1970.1 nm		1.68
@Wavelength 1970.1 nm
 1.687
@Wavelength 1529.6 nm		1.687
@Wavelength 1529.6 nm
 1.697
@Wavelength 1060 nm		1.697
@Wavelength 1060 nm
 1.698
@Wavelength 1014 nm		1.698
@Wavelength 1014 nm
 1.703
@Wavelength 852.1 nm		1.703
@Wavelength 852.1 nm
 1.711
@Wavelength 706.5 nm		1.711
@Wavelength 706.5 nm
 1.715
@Wavelength 656.3 nm		1.715
@Wavelength 656.3 nm
 1.716
@Wavelength 643.8 nm		1.716
@Wavelength 643.8 nm
 1.717
@Wavelength 632.8 nm		1.717
@Wavelength 632.8 nm
 1.722
@Wavelength 589.3 nm		1.722
@Wavelength 589.3 nm
 1.722
@Wavelength 587.6 nm		1.722
@Wavelength 587.6 nm
 1.72833
@Wavelength 546.1 nm		1.72833
@Wavelength 546.1 nm
 1.74
@Wavelength 486.1 nm		1.74
@Wavelength 486.1 nm
 1.741
@Wavelength 480 nm		1.741
@Wavelength 480 nm
 1.755
@Wavelength 435.8 nm		1.755
@Wavelength 435.8 nm
 1.768
@Wavelength 404.7 nm		1.768
@Wavelength 404.7 nm
Abbe Number 2929ve
 29.2329.23vd
Optical Dispersion 0.0247180.024718nf - nc
 0.0251160.025116nf' - nc'
Transmission, Visible  84 %
@Thickness 25.0 mm,
Wavelength 436 nm		84 %
@Thickness 0.984 in,
Wavelength 436 nm
 91 %
@Thickness 25.0 mm,
Wavelength 420 nm		91 %
@Thickness 0.984 in,
Wavelength 420 nm
 96.3 %
@Thickness 10.0 mm,
Wavelength 420 nm		96.3 %
@Thickness 0.394 in,
Wavelength 420 nm
 96.4 %
@Thickness 25.0 mm,
Wavelength 460 nm		96.4 %
@Thickness 0.984 in,
Wavelength 460 nm
 97.6 %
@Thickness 10.0 mm,
Wavelength 436 nm		97.6 %
@Thickness 0.394 in,
Wavelength 436 nm
 98.3 %
@Thickness 25.0 mm,
Wavelength 500 nm		98.3 %
@Thickness 0.984 in,
Wavelength 500 nm
 98.5 %
@Thickness 10.0 mm,
Wavelength 460 nm		98.5 %
@Thickness 0.394 in,
Wavelength 460 nm
 99.2 %
@Thickness 25.0 mm,
Wavelength 546 nm		99.2 %
@Thickness 0.984 in,
Wavelength 546 nm
 99.3 %
@Thickness 25.0 mm,
Wavelength 620 nm		99.3 %
@Thickness 0.984 in,
Wavelength 620 nm
 99.3 %
@Thickness 10.0 mm,
Wavelength 500 nm		99.3 %
@Thickness 0.394 in,
Wavelength 500 nm
 99.3 %
@Thickness 25.0 mm,
Wavelength 660 nm		99.3 %
@Thickness 0.984 in,
Wavelength 660 nm
 99.4 %
@Thickness 25.0 mm,
Wavelength 700 nm		99.4 %
@Thickness 0.984 in,
Wavelength 700 nm
 99.4 %
@Thickness 25.0 mm,
Wavelength 580 nm		99.4 %
@Thickness 0.984 in,
Wavelength 580 nm
 99.7 %
@Thickness 10.0 mm,
Wavelength 546 nm		99.7 %
@Thickness 0.394 in,
Wavelength 546 nm
 99.7 %
@Thickness 10.0 mm,
Wavelength 660 nm		99.7 %
@Thickness 0.394 in,
Wavelength 660 nm
 99.7 %
@Thickness 10.0 mm,
Wavelength 620 nm		99.7 %
@Thickness 0.394 in,
Wavelength 620 nm
 99.8 %
@Thickness 10.0 mm,
Wavelength 700 nm		99.8 %
@Thickness 0.394 in,
Wavelength 700 nm
 99.8 %
@Thickness 10.0 mm,
Wavelength 580 nm		99.8 %
@Thickness 0.394 in,
Wavelength 580 nm
IR Transmittance  58 %
@Thickness 25.0 mm,
Wavelength 2500 nm		58 %
@Thickness 0.984 in,
Wavelength 2500 nm
 68 %
@Thickness 25.0 mm,
Wavelength 2325 nm		68 %
@Thickness 0.984 in,
Wavelength 2325 nm
 80.4 %
@Thickness 10.0 mm,
Wavelength 2500 nm		80.4 %
@Thickness 0.394 in,
Wavelength 2500 nm
 85.7 %
@Thickness 10.0 mm,
Wavelength 2325 nm		85.7 %
@Thickness 0.394 in,
Wavelength 2325 nm
 89 %
@Thickness 25.0 mm,
Wavelength 1970 nm		89 %
@Thickness 0.984 in,
Wavelength 1970 nm
 95.4 %
@Thickness 10.0 mm,
Wavelength 1970 nm		95.4 %
@Thickness 0.394 in,
Wavelength 1970 nm
 98.3 %
@Thickness 25.0 mm,
Wavelength 1530 nm		98.3 %
@Thickness 0.984 in,
Wavelength 1530 nm
 99.3 %
@Thickness 10.0 mm,
Wavelength 1530 nm		99.3 %
@Thickness 0.394 in,
Wavelength 1530 nm
 99.8 %
@Thickness 25.0 mm,
Wavelength 1060 nm		99.8 %
@Thickness 0.984 in,
Wavelength 1060 nm
 99.9 %
@Thickness 10.0 mm,
Wavelength 1060 nm		99.9 %
@Thickness 0.394 in,
Wavelength 1060 nm
UV Transmittance  0.90 %
@Thickness 25.0 mm,
Wavelength 365 nm		0.90 %
@Thickness 0.984 in,
Wavelength 365 nm
 8.0 %
@Thickness 25.0 mm,
Wavelength 370 nm		8.0 %
@Thickness 0.984 in,
Wavelength 370 nm
 16 %
@Thickness 10.0 mm,
Wavelength 365 nm		16 %
@Thickness 0.394 in,
Wavelength 365 nm
 36.4 %
@Thickness 10.0 mm,
Wavelength 370 nm		36.4 %
@Thickness 0.394 in,
Wavelength 370 nm
 39 %
@Thickness 25.0 mm,
Wavelength 380 nm		39 %
@Thickness 0.984 in,
Wavelength 380 nm
 66 %
@Thickness 25.0 mm,
Wavelength 390 nm		66 %
@Thickness 0.984 in,
Wavelength 390 nm
 68.6 %
@Thickness 10.0 mm,
Wavelength 380 nm		68.6 %
@Thickness 0.394 in,
Wavelength 380 nm
 80 %
@Thickness 25.0 mm,
Wavelength 400 nm		80 %
@Thickness 0.984 in,
Wavelength 400 nm
 84 %
@Thickness 25.0 mm,
Wavelength 405 nm		84 %
@Thickness 0.984 in,
Wavelength 405 nm
 84.7 %
@Thickness 10.0 mm,
Wavelength 390 nm		84.7 %
@Thickness 0.394 in,
Wavelength 390 nm
 91.5 %
@Thickness 10.0 mm,
Wavelength 400 nm		91.5 %
@Thickness 0.394 in,
Wavelength 400 nm
 93.3 %
@Thickness 10.0 mm,
Wavelength 405 nm		93.3 %
@Thickness 0.394 in,
Wavelength 405 nm
 
Descriptive Properties
Acid resistance class1according to JOGIS
Stress optical coefficient2.66[10-6mm2/N]
Water resistance class1according to JOGIS
Yield point/sag temperature547°C

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