Songhan Plastic Technology Co.,Ltd.
 POLYMER SEARCH

Schott N-BAK4 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 N-BAK4 Glass.pdf
Price EMAIL US    sales@lookpolymers.com
  Online Service   lookpolymers   27660005
Material Notes:
Information Provided by SCHOTT North America, Inc.
Physical Properties Metric English Comments
Density 3.05 g/cc
0.110 lb/in³
Mechanical Properties Metric English Comments
Knoop Microhardness 550
550
.1/20
Modulus of Elasticity 77.0 GPa
11200 ksi
Poissons Ratio 0.24
0.24
Shear Modulus 31.0 GPa
4500 ksi
calculated
Thermal Properties Metric English Comments
CTE, linear 7.00 µm/m-°C

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

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

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

@Temperature 68.0 - 572 °F
Specific Heat Capacity 0.680 J/g-°C
0.163 BTU/lb-°F
Thermal Conductivity 0.880 W/m-K
6.11 BTU-in/hr-ft²-°F
Transformation Temperature, Tg 581 °C
1080 °F
Optical Properties Metric English Comments
Refractive Index 1.56883

@Wavelength 587.6 nm
1.56883

@Wavelength 587.6 nm
n<sub>d</sub>
1.57125

@Wavelength 546.1 nm
1.57125

@Wavelength 546.1 nm
n<sub>e</sub>
Transmission, Visible 97.6 %

@Thickness 10.0 mm,
Wavelength 380 nm
97.6 %

@Thickness 0.394 in,
Wavelength 380 nm
99.3 %

@Thickness 10.0 mm,
Wavelength 405 nm
99.3 %

@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
99.8 %

@Thickness 10.0 mm,
Wavelength 580 nm
99.8 %

@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 78.2 %

@Thickness 10.0 mm,
Wavelength 2500 nm
78.2 %

@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 1.2 %

@Thickness 10.0 mm,
Wavelength 320 nm
1.2 %

@Thickness 0.394 in,
Wavelength 320 nm
34.5 %

@Thickness 10.0 mm,
Wavelength 334 nm
34.5 %

@Thickness 0.394 in,
Wavelength 334 nm
95.4 %

@Thickness 10.0 mm,
Wavelength 370 nm
95.4 %

@Thickness 0.394 in,
Wavelength 370 nm
Chemical Properties Metric English Comments
Acid Class, SR 1.2
1.2
Alkali Class, AR 1.0
1.0
Stain Resistance Class, FR 0.00
0.00
Descriptive Properties Value Comments
B 0
Climatic Resistance Test CR 1
HG 2
K (10-6mm2/N) 2.9
Phosphate Resistance PR 1
T1013.0 (°C) 569
T107.6 (°C) 725
Copyright © lookpolymers.com All Rights Reserved