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Master Bond adhesives

Schott LASF35 022291.541, Optical Glass
Categories: Ceramic; Glass; Optical
Material Notes:

Information provided by SCHOTT.
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Physical PropertiesMetricEnglishComments
Density 5.41 g/cc0.195 lb/in³
 
Chemical PropertiesMetricEnglishComments
Acid Class, SR 1.31.3
Alkali Class, AR 1.01.0
Stain Resistance Class, FR 0.000.00
 
Mechanical PropertiesMetricEnglishComments
Hardness, Knoop 810810HK (0.1/20)
Modulus of Elasticity 132 GPa19100 ksi
Poissons Ratio 0.3030.303
Shear Modulus 50.7 GPa7350 ksiCalculated
 
Thermal PropertiesMetricEnglishComments
CTE, linear  7.40 µm/m-°C
@Temperature -30.0 - 70.0 °C		4.11 µin/in-°F
@Temperature -22.0 - 158 °F
 8.50 µm/m-°C
@Temperature 20.0 - 300 °C		4.72 µin/in-°F
@Temperature 68.0 - 572 °F
Specific Heat Capacity 0.445 J/g-°C0.106 BTU/lb-°F
Thermal Conductivity 0.920 W/m-K6.38 BTU-in/hr-ft²-°F
Transformation Temperature, Tg 774 °C1430 °F
 
Optical PropertiesMetricEnglishComments
Refractive Index  1.959
@Wavelength 2323.4 nm		1.959
@Wavelength 2323.4 nm
 1.966
@Wavelength 1970.1 nm		1.966
@Wavelength 1970.1 nm
 1.974
@Wavelength 1529.6 nm		1.974
@Wavelength 1529.6 nm
 1.986
@Wavelength 1060 nm		1.986
@Wavelength 1060 nm
 1.987
@Wavelength 1014 nm		1.987
@Wavelength 1014 nm
 1.995
@Wavelength 852.1 nm		1.995
@Wavelength 852.1 nm
 2.006
@Wavelength 706.5 nm		2.006
@Wavelength 706.5 nm
 2.011
@Wavelength 656.3 nm		2.011
@Wavelength 656.3 nm
 2.013
@Wavelength 643.8 nm		2.013
@Wavelength 643.8 nm
 2.014
@Wavelength 632.8 nm		2.014
@Wavelength 632.8 nm
 2.021
@Wavelength 589.3 nm		2.021
@Wavelength 589.3 nm
 2.022
@Wavelength 587.6 nm		2.022
@Wavelength 587.6 nm
 2.03
@Wavelength 546.1 nm		2.03
@Wavelength 546.1 nm
 2.047
@Wavelength 486.1 nm		2.047
@Wavelength 486.1 nm
 2.049
@Wavelength 480 nm		2.049
@Wavelength 480 nm
 2.068
@Wavelength 435.8 nm		2.068
@Wavelength 435.8 nm
 2.086
@Wavelength 404.7 nm		2.086
@Wavelength 404.7 nm
Abbe Number 28.8428.84ve
 29.0629.06vd
Optical Dispersion 0.035170.03517nf - nc
 0.0357210.035721nf' - nc'
Transmission, Visible  55 %
@Thickness 25.0 mm,
Wavelength 420 nm		55 %
@Thickness 0.984 in,
Wavelength 420 nm
 67 %
@Thickness 25.0 mm,
Wavelength 436 nm		67 %
@Thickness 0.984 in,
Wavelength 436 nm
 77.4 %
@Thickness 25.0 mm,
Wavelength 460 nm		77.4 %
@Thickness 0.984 in,
Wavelength 460 nm
 78.7 %
@Thickness 10.0 mm,
Wavelength 420 nm		78.7 %
@Thickness 0.394 in,
Wavelength 420 nm
 85.2 %
@Thickness 10.0 mm,
Wavelength 436 nm		85.2 %
@Thickness 0.394 in,
Wavelength 436 nm
 87.4 %
@Thickness 25.0 mm,
Wavelength 500 nm		87.4 %
@Thickness 0.984 in,
Wavelength 500 nm
 90.3 %
@Thickness 10.0 mm,
Wavelength 460 nm		90.3 %
@Thickness 0.394 in,
Wavelength 460 nm
 94.3 %
@Thickness 25.0 mm,
Wavelength 546 nm		94.3 %
@Thickness 0.984 in,
Wavelength 546 nm
 94.8 %
@Thickness 10.0 mm,
Wavelength 500 nm		94.8 %
@Thickness 0.394 in,
Wavelength 500 nm
 96.2 %
@Thickness 25.0 mm,
Wavelength 580 nm		96.2 %
@Thickness 0.984 in,
Wavelength 580 nm
 96.9 %
@Thickness 25.0 mm,
Wavelength 620 nm		96.9 %
@Thickness 0.984 in,
Wavelength 620 nm
 97.4 %
@Thickness 25.0 mm,
Wavelength 660 nm		97.4 %
@Thickness 0.984 in,
Wavelength 660 nm
 97.7 %
@Thickness 10.0 mm,
Wavelength 546 nm		97.7 %
@Thickness 0.394 in,
Wavelength 546 nm
 98.1 %
@Thickness 25.0 mm,
Wavelength 700 nm		98.1 %
@Thickness 0.984 in,
Wavelength 700 nm
 98.5 %
@Thickness 10.0 mm,
Wavelength 580 nm		98.5 %
@Thickness 0.394 in,
Wavelength 580 nm
 98.7 %
@Thickness 10.0 mm,
Wavelength 620 nm		98.7 %
@Thickness 0.394 in,
Wavelength 620 nm
 99 %
@Thickness 10.0 mm,
Wavelength 660 nm		99 %
@Thickness 0.394 in,
Wavelength 660 nm
 99.2 %
@Thickness 10.0 mm,
Wavelength 700 nm		99.2 %
@Thickness 0.394 in,
Wavelength 700 nm
IR Transmittance  55 %
@Thickness 25.0 mm,
Wavelength 2500 nm		55 %
@Thickness 0.984 in,
Wavelength 2500 nm
 72 %
@Thickness 25.0 mm,
Wavelength 2325 nm		72 %
@Thickness 0.984 in,
Wavelength 2325 nm
 78.7 %
@Thickness 10.0 mm,
Wavelength 2500 nm		78.7 %
@Thickness 0.394 in,
Wavelength 2500 nm
 87.7 %
@Thickness 10.0 mm,
Wavelength 2325 nm		87.7 %
@Thickness 0.394 in,
Wavelength 2325 nm
 93.4 %
@Thickness 25.0 mm,
Wavelength 1970 nm		93.4 %
@Thickness 0.984 in,
Wavelength 1970 nm
 97.3 %
@Thickness 10.0 mm,
Wavelength 1970 nm		97.3 %
@Thickness 0.394 in,
Wavelength 1970 nm
 98.7 %
@Thickness 25.0 mm,
Wavelength 1530 nm		98.7 %
@Thickness 0.984 in,
Wavelength 1530 nm
 99.4 %
@Thickness 25.0 mm,
Wavelength 1060 nm		99.4 %
@Thickness 0.984 in,
Wavelength 1060 nm
 99.5 %
@Thickness 10.0 mm,
Wavelength 1530 nm		99.5 %
@Thickness 0.394 in,
Wavelength 1530 nm
 99.8 %
@Thickness 10.0 mm,
Wavelength 1060 nm		99.8 %
@Thickness 0.394 in,
Wavelength 1060 nm
UV Transmittance  3.0 %
@Thickness 10.0 mm,
Wavelength 365 nm		3.0 %
@Thickness 0.394 in,
Wavelength 365 nm
 5.0 %
@Thickness 25.0 mm,
Wavelength 380 nm		5.0 %
@Thickness 0.984 in,
Wavelength 380 nm
 10 %
@Thickness 10.0 mm,
Wavelength 370 nm		10 %
@Thickness 0.394 in,
Wavelength 370 nm
 18 %
@Thickness 25.0 mm,
Wavelength 390 nm		18 %
@Thickness 0.984 in,
Wavelength 390 nm
 30.2 %
@Thickness 10.0 mm,
Wavelength 380 nm		30.2 %
@Thickness 0.394 in,
Wavelength 380 nm
 32 %
@Thickness 25.0 mm,
Wavelength 400 nm		32 %
@Thickness 0.984 in,
Wavelength 400 nm
 39 %
@Thickness 25.0 mm,
Wavelength 405 nm		39 %
@Thickness 0.984 in,
Wavelength 405 nm
 50.4 %
@Thickness 10.0 mm,
Wavelength 390 nm		50.4 %
@Thickness 0.394 in,
Wavelength 390 nm
 63.4 %
@Thickness 10.0 mm,
Wavelength 400 nm		63.4 %
@Thickness 0.394 in,
Wavelength 400 nm
 68.6 %
@Thickness 10.0 mm,
Wavelength 405 nm		68.6 %
@Thickness 0.394 in,
Wavelength 405 nm
 
Descriptive Properties
Climatic resistance1
Grindability1according to JOGIS
Phosphate resistance1.3
Stress optical coefficient0.73[10-6mm2/N]

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