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Master Bond adhesives

Schott P-LAK35 693532.385, Optical Glass
Categories: Ceramic; Glass; Optical
Material Notes:

Information provided by SCHOTT.
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Physical PropertiesMetricEnglishComments
Density 3.85 g/cc0.139 lb/in³
 
Chemical PropertiesMetricEnglishComments
Acid Class, SR 53.353.3
Alkali Class, AR 1.31.3
Stain Resistance Class, FR 5.05.0
 
Mechanical PropertiesMetricEnglishComments
Hardness, Knoop 616616HK (0.1/20)
Modulus of Elasticity 101 GPa14600 ksi
Poissons Ratio 0.2890.289
Shear Modulus 39.2 GPa5690 ksiCalculated
 
Thermal PropertiesMetricEnglishComments
CTE, linear  8.10 µm/m-°C
@Temperature -30.0 - 70.0 °C		4.50 µin/in-°F
@Temperature -22.0 - 158 °F
 9.70 µm/m-°C
@Temperature 20.0 - 300 °C		5.39 µin/in-°F
@Temperature 68.0 - 572 °F
Specific Heat Capacity 0.630 J/g-°C0.151 BTU/lb-°F
Thermal Conductivity 0.720 W/m-K5.00 BTU-in/hr-ft²-°F
Transformation Temperature, Tg 508 °C946 °F
Softening Point 598 °C1110 °Fviscosity of 107.6 cP
Annealing Point 511 °C952 °Fviscosity of 1013 cP
 
Optical PropertiesMetricEnglishComments
Refractive Index  1.657
@Wavelength 2323.4 nm		1.657
@Wavelength 2323.4 nm
 1.664
@Wavelength 1970.1 nm		1.664
@Wavelength 1970.1 nm
 1.671
@Wavelength 1529.6 nm		1.671
@Wavelength 1529.6 nm
 1.678
@Wavelength 1060 nm		1.678
@Wavelength 1060 nm
 1.679
@Wavelength 1014 nm		1.679
@Wavelength 1014 nm
 1.682
@Wavelength 852.1 nm		1.682
@Wavelength 852.1 nm
 1.687
@Wavelength 706.5 nm		1.687
@Wavelength 706.5 nm
 1.69
@Wavelength 632.8 nm		1.69
@Wavelength 632.8 nm
 1.69
@Wavelength 643.8 nm		1.69
@Wavelength 643.8 nm
 1.693
@Wavelength 587.6 nm		1.693
@Wavelength 587.6 nm
 1.693
@Wavelength 589.3 nm		1.693
@Wavelength 589.3 nm
 1.695
@Wavelength 656.3 nm		1.695
@Wavelength 656.3 nm
 1.696
@Wavelength 546.1 nm		1.696
@Wavelength 546.1 nm
 1.702
@Wavelength 486.1 nm		1.702
@Wavelength 486.1 nm
 1.703
@Wavelength 480 nm		1.703
@Wavelength 480 nm
 1.707
@Wavelength 435.8 nm		1.707
@Wavelength 435.8 nm
 1.715
@Wavelength 404.7 nm		1.715
@Wavelength 404.7 nm
 1.725
@Wavelength 365 nm		1.725
@Wavelength 365 nm
 1.736
@Wavelength 334.1 nm		1.736
@Wavelength 334.1 nm
Abbe Number 52.9552.95ve
 53.253.2vd
Optical Dispersion 0.0130360.013036nf - nc
 0.0131560.013156nf' - nc'
Transmission, Visible  97.7 %
@Thickness 25.0 mm,
Wavelength 420 nm		97.7 %
@Thickness 0.984 in,
Wavelength 420 nm
 98 %
@Thickness 25.0 mm,
Wavelength 436 nm		98 %
@Thickness 0.984 in,
Wavelength 436 nm
 98.5 %
@Thickness 25.0 mm,
Wavelength 460 nm		98.5 %
@Thickness 0.984 in,
Wavelength 460 nm
 99.2 %
@Thickness 25.0 mm,
Wavelength 620 nm		99.2 %
@Thickness 0.984 in,
Wavelength 620 nm
 99.2 %
@Thickness 10.0 mm,
Wavelength 420 nm		99.2 %
@Thickness 0.394 in,
Wavelength 420 nm
 99.2 %
@Thickness 25.0 mm,
Wavelength 660 nm		99.2 %
@Thickness 0.984 in,
Wavelength 660 nm
 99.2 %
@Thickness 25.0 mm,
Wavelength 500 nm		99.2 %
@Thickness 0.984 in,
Wavelength 500 nm
 99.3 %
@Thickness 25.0 mm,
Wavelength 700 nm		99.3 %
@Thickness 0.984 in,
Wavelength 700 nm
 99.3 %
@Thickness 25.0 mm,
Wavelength 580 nm		99.3 %
@Thickness 0.984 in,
Wavelength 580 nm
 99.4 %
@Thickness 25.0 mm,
Wavelength 546 nm		99.4 %
@Thickness 0.984 in,
Wavelength 546 nm
 99.4 %
@Thickness 10.0 mm,
Wavelength 436 nm		99.4 %
@Thickness 0.394 in,
Wavelength 436 nm
 99.7 %
@Thickness 10.0 mm,
Wavelength 620 nm		99.7 %
@Thickness 0.394 in,
Wavelength 620 nm
 99.7 %
@Thickness 10.0 mm,
Wavelength 460 nm		99.7 %
@Thickness 0.394 in,
Wavelength 460 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 700 nm		99.7 %
@Thickness 0.394 in,
Wavelength 700 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 580 nm		99.7 %
@Thickness 0.394 in,
Wavelength 580 nm
 99.8 %
@Thickness 10.0 mm,
Wavelength 500 nm		99.8 %
@Thickness 0.394 in,
Wavelength 500 nm
IR Transmittance  22 %
@Thickness 25.0 mm,
Wavelength 2500 nm		22 %
@Thickness 0.984 in,
Wavelength 2500 nm
 50 %
@Thickness 25.0 mm,
Wavelength 2325 nm		50 %
@Thickness 0.984 in,
Wavelength 2325 nm
 75.8 %
@Thickness 10.0 mm,
Wavelength 2325 nm		75.8 %
@Thickness 0.394 in,
Wavelength 2325 nm
 84.6 %
@Thickness 10.0 mm,
Wavelength 2500 nm		84.6 %
@Thickness 0.394 in,
Wavelength 2500 nm
 87 %
@Thickness 25.0 mm,
Wavelength 1970 nm		87 %
@Thickness 0.984 in,
Wavelength 1970 nm
 94.6 %
@Thickness 10.0 mm,
Wavelength 1970 nm		94.6 %
@Thickness 0.394 in,
Wavelength 1970 nm
 98.1 %
@Thickness 25.0 mm,
Wavelength 1530 nm		98.1 %
@Thickness 0.984 in,
Wavelength 1530 nm
 99.2 %
@Thickness 10.0 mm,
Wavelength 1530 nm		99.2 %
@Thickness 0.394 in,
Wavelength 1530 nm
 99.9 %
@Thickness 10.0 mm,
Wavelength 1060 nm		99.9 %
@Thickness 0.394 in,
Wavelength 1060 nm
 99.9 %
@Thickness 25.0 mm,
Wavelength 1060 nm		99.9 %
@Thickness 0.984 in,
Wavelength 1060 nm
UV Transmittance  0.50 %
@Thickness 25.0 mm,
Wavelength 300 nm		0.50 %
@Thickness 0.984 in,
Wavelength 300 nm
 2.6 %
@Thickness 10.0 mm,
Wavelength 290 nm		2.6 %
@Thickness 0.394 in,
Wavelength 290 nm
 6.0 %
@Thickness 25.0 mm,
Wavelength 310 nm		6.0 %
@Thickness 0.984 in,
Wavelength 310 nm
 15.8 %
@Thickness 10.0 mm,
Wavelength 300 nm		15.8 %
@Thickness 0.394 in,
Wavelength 300 nm
 21 %
@Thickness 25.0 mm,
Wavelength 320 nm		21 %
@Thickness 0.984 in,
Wavelength 320 nm
 35.3 %
@Thickness 10.0 mm,
Wavelength 310 nm		35.3 %
@Thickness 0.394 in,
Wavelength 310 nm
 48 %
@Thickness 25.0 mm,
Wavelength 334 nm		48 %
@Thickness 0.984 in,
Wavelength 334 nm
 53.6 %
@Thickness 10.0 mm,
Wavelength 320 nm		53.6 %
@Thickness 0.394 in,
Wavelength 320 nm
 74 %
@Thickness 25.0 mm,
Wavelength 350 nm		74 %
@Thickness 0.984 in,
Wavelength 350 nm
 74.6 %
@Thickness 10.0 mm,
Wavelength 334 nm		74.6 %
@Thickness 0.394 in,
Wavelength 334 nm
 88 %
@Thickness 25.0 mm,
Wavelength 365 nm		88 %
@Thickness 0.984 in,
Wavelength 365 nm
 88.7 %
@Thickness 10.0 mm,
Wavelength 350 nm		88.7 %
@Thickness 0.394 in,
Wavelength 350 nm
 90.7 %
@Thickness 25.0 mm,
Wavelength 370 nm		90.7 %
@Thickness 0.984 in,
Wavelength 370 nm
 94 %
@Thickness 25.0 mm,
Wavelength 380 nm		94 %
@Thickness 0.984 in,
Wavelength 380 nm
 95 %
@Thickness 10.0 mm,
Wavelength 365 nm		95 %
@Thickness 0.394 in,
Wavelength 365 nm
 96 %
@Thickness 25.0 mm,
Wavelength 390 nm		96 %
@Thickness 0.984 in,
Wavelength 390 nm
 96.2 %
@Thickness 10.0 mm,
Wavelength 370 nm		96.2 %
@Thickness 0.394 in,
Wavelength 370 nm
 97 %
@Thickness 25.0 mm,
Wavelength 400 nm		97 %
@Thickness 0.984 in,
Wavelength 400 nm
 97.3 %
@Thickness 25.0 mm,
Wavelength 405 nm		97.3 %
@Thickness 0.984 in,
Wavelength 405 nm
 98.4 %
@Thickness 10.0 mm,
Wavelength 380 nm		98.4 %
@Thickness 0.394 in,
Wavelength 380 nm
 98.8 %
@Thickness 10.0 mm,
Wavelength 390 nm		98.8 %
@Thickness 0.394 in,
Wavelength 390 nm
 98.9 %
@Thickness 10.0 mm,
Wavelength 400 nm		98.9 %
@Thickness 0.394 in,
Wavelength 400 nm
 99.1 %
@Thickness 10.0 mm,
Wavelength 405 nm		99.1 %
@Thickness 0.394 in,
Wavelength 405 nm
 
Descriptive Properties
Acid resistance class4according to JOGIS
Climatic resistance2
Grindability119according to JOGIS
Phosphate resistance4.3
Stress optical coefficient1.76[10-6mm2/N]
Water resistance class3according to JOGIS
Yield point/sag temperature544°C

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