Songhan Plastic Technology Co.,Ltd.
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Schott N-KZFS8 Glass

Category Ceramic , Glass
Manufacturer Schott North America
Trade Name
Port Ningbo 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 3.20 g/cc
0.116 lb/in³
Mechanical Properties Metric English Comments
Knoop Microhardness 570
570
.1/20
Modulus of Elasticity 103 GPa
14900 ksi
Poissons Ratio 0.248
0.248
Shear Modulus 41.0 GPa
5950 ksi
calculated
Thermal Properties Metric English Comments
CTE, linear 7.80 µm/m-°C

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

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

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

@Temperature 68.0 - 572 °F
Specific Heat Capacity 0.760 J/g-°C
0.182 BTU/lb-°F
Thermal Conductivity 1.05 W/m-K
7.29 BTU-in/hr-ft²-°F
Transformation Temperature, Tg 509 °C
948 °F
Optical Properties Metric English Comments
Refractive Index 1.72047

@Wavelength 587.6 nm
 1.72047

@Wavelength 587.6 nm
 n<sub>d</sub>
1.72539

@Wavelength 546.1 nm
 1.72539

@Wavelength 546.1 nm
 n<sub>e</sub>
Transmission, Visible 92.4 %

@Thickness 10.0 mm,
Wavelength 380 nm
 92.4 %

@Thickness 0.394 in,
Wavelength 380 nm
96.7 %

@Thickness 10.0 mm,
Wavelength 405 nm
 96.7 %

@Thickness 0.394 in,
Wavelength 405 nm
98.8 %

@Thickness 10.0 mm,
Wavelength 460 nm
 98.8 %

@Thickness 0.394 in,
Wavelength 460 nm
99.8 %

@Thickness 10.0 mm,
Wavelength 580 nm
 99.8 %

@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 76.4 %

@Thickness 10.0 mm,
Wavelength 2500 nm
 76.4 %

@Thickness 0.394 in,
Wavelength 2500 nm
99.3 %

@Thickness 10.0 mm,
Wavelength 1530 nm
 99.3 %

@Thickness 0.394 in,
Wavelength 1530 nm
UV Transmittance 4.2 %

@Thickness 10.0 mm,
Wavelength 320 nm
 4.2 %

@Thickness 0.394 in,
Wavelength 320 nm
14.1 %

@Thickness 10.0 mm,
Wavelength 334 nm
 14.1 %

@Thickness 0.394 in,
Wavelength 334 nm
66.5 %

@Thickness 10.0 mm,
Wavelength 350 nm
 66.5 %

@Thickness 0.394 in,
Wavelength 350 nm
88.7 %

@Thickness 10.0 mm,
Wavelength 370 nm
 88.7 %

@Thickness 0.394 in,
Wavelength 370 nm
Chemical Properties Metric English Comments
Acid Class, SR 1.0
1.0
Alkali Class, AR 1.0
1.0
Stain Resistance Class, FR 0.00
0.00
Descriptive Properties Value Comments
B 1
Climatic Resistance Test CR 1
HG 4
K (10-6mm2/N) 2.94
Phosphate Resistance PR 1
T1013.0 (°C) 515
T107.6 (°C) 635
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