Songhan Plastic Technology Co.,Ltd.
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Schott P-SK57 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
Download PDF Schott P-SK57 Glass.pdf
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Material Notes:
Suitable for precision moldingInformation Provided by SCHOTT North America, Inc.
Physical Properties Metric English Comments
Density 3.01 g/cc
0.109 lb/in³
Mechanical Properties Metric English Comments
Knoop Microhardness 535
535
.1/20
Modulus of Elasticity 93.0 GPa
13500 ksi
Poissons Ratio 0.249
0.249
Shear Modulus 37.0 GPa
5370 ksi
calculated
Thermal Properties Metric English Comments
CTE, linear 7.20 µm/m-°C

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

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

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

@Temperature 68.0 - 572 °F
Specific Heat Capacity 0.760 J/g-°C
0.182 BTU/lb-°F
Thermal Conductivity 1.01 W/m-K
7.01 BTU-in/hr-ft²-°F
Transformation Temperature, Tg 493 °C
919 °F
Optical Properties Metric English Comments
Refractive Index 1.587

@Wavelength 587.6 nm
 1.587

@Wavelength 587.6 nm
 n<sub>d</sub>
1.58935

@Wavelength 546.1 nm
 1.58935

@Wavelength 546.1 nm
 n<sub>e</sub>
Transmission, Visible 98.9 %

@Thickness 10.0 mm,
Wavelength 380 nm
 98.9 %

@Thickness 0.394 in,
Wavelength 380 nm
99.4 %

@Thickness 10.0 mm,
Wavelength 405 nm
 99.4 %

@Thickness 0.394 in,
Wavelength 405 nm
99.6 %

@Thickness 10.0 mm,
Wavelength 460 nm
 99.6 %

@Thickness 0.394 in,
Wavelength 460 nm
99.9 %

@Thickness 10.0 mm,
Wavelength 580 nm
 99.9 %

@Thickness 0.394 in,
Wavelength 580 nm
99.9 %

@Thickness 10.0 mm,
Wavelength 700 nm
 99.9 %

@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
99.1 %

@Thickness 10.0 mm,
Wavelength 1530 nm
 99.1 %

@Thickness 0.394 in,
Wavelength 1530 nm
UV Transmittance 12.3 %

@Thickness 10.0 mm,
Wavelength 310 nm
 12.3 %

@Thickness 0.394 in,
Wavelength 310 nm
82.1 %

@Thickness 10.0 mm,
Wavelength 334 nm
 82.1 %

@Thickness 0.394 in,
Wavelength 334 nm
98.4 %

@Thickness 10.0 mm,
Wavelength 370 nm
 98.4 %

@Thickness 0.394 in,
Wavelength 370 nm
Chemical Properties Metric English Comments
Acid Class, SR 52.3
52.3
Alkali Class, AR 2.0
2.0
Stain Resistance Class, FR 3.0
3.0
Descriptive Properties Value Comments
B 1
Climatic Resistance Test CR 4
HG 3
K (10-6mm2/N) 2.17
Phosphate Resistance PR 3
T1013.0 (°C) 494
T107.6 (°C) 593
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