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Schott N-LAF2 Glass

Category Ceramic , Glass
Manufacturer Schott North America
Trade Name
Port Shanghai port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
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Material Notes:
Information Provided by SCHOTT North America, Inc.
Physical Properties Metric English Comments
Density 4.30 g/cc
0.155 lb/in³
Mechanical Properties Metric English Comments
Knoop Microhardness 530
530
.1/20
Modulus of Elasticity 94.0 GPa
13600 ksi
Poissons Ratio 0.288
0.288
Shear Modulus 36.0 GPa
5220 ksi
calculated
Thermal Properties Metric English Comments
CTE, linear 8.10 µm/m-°C

@Temperature -30.0 - 70.0 °C
 4.50 µin/in-°F

@Temperature -22.0 - 158 °F
9.10 µm/m-°C

@Temperature 20.0 - 300 °C
 5.06 µin/in-°F

@Temperature 68.0 - 572 °F
Specific Heat Capacity 0.510 J/g-°C
0.122 BTU/lb-°F
Thermal Conductivity 0.670 W/m-K
4.65 BTU-in/hr-ft²-°F
Transformation Temperature, Tg 653 °C
1210 °F
Optical Properties Metric English Comments
Refractive Index 1.74397

@Wavelength 587.6 nm
 1.74397

@Wavelength 587.6 nm
 n<sub>d</sub>
1.74791

@Wavelength 546.1 nm
 1.74791

@Wavelength 546.1 nm
 n<sub>e</sub>
Transmission, Visible 83.1 %

@Thickness 10.0 mm,
Wavelength 380 nm
 83.1 %

@Thickness 0.394 in,
Wavelength 380 nm
94.4 %

@Thickness 10.0 mm,
Wavelength 405 nm
 94.4 %

@Thickness 0.394 in,
Wavelength 405 nm
98.5 %

@Thickness 10.0 mm,
Wavelength 460 nm
 98.5 %

@Thickness 0.394 in,
Wavelength 460 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 700 nm
 99.8 %

@Thickness 0.394 in,
Wavelength 700 nm
IR Transmittance 69.3 %

@Thickness 10.0 mm,
Wavelength 2500 nm
 69.3 %

@Thickness 0.394 in,
Wavelength 2500 nm
99.6 %

@Thickness 10.0 mm,
Wavelength 1530 nm
 99.6 %

@Thickness 0.394 in,
Wavelength 1530 nm
UV Transmittance 22.9 %

@Thickness 10.0 mm,
Wavelength 350 nm
 22.9 %

@Thickness 0.394 in,
Wavelength 350 nm
62.6 %

@Thickness 10.0 mm,
Wavelength 365 nm
 62.6 %

@Thickness 0.394 in,
Wavelength 365 nm
71.3 %

@Thickness 10.0 mm,
Wavelength 370 nm
 71.3 %

@Thickness 0.394 in,
Wavelength 370 nm
Chemical Properties Metric English Comments
Acid Class, SR 52.2
52.2
Alkali Class, AR 1.0
1.0
Stain Resistance Class, FR 3.0
3.0
Descriptive Properties Value Comments
B 1
Climatic Resistance Test CR 2
HG 6
K (10-6mm2/N) 1.42
Phosphate Resistance PR 2.2
T1013.0 (°C) 645
T107.6 (°C) 742
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