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Schott BG12 Band Pass Filter

Category Ceramic , Glass , Optical , Filter
Manufacturer Schott Glas Mainz
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:
Ionically colored glass. Data provided by the manufacturer, Schott Glas Mainz.
Physical Properties Metric English Comments
Density 2.58 g/cc
0.0932 lb/in³
Thermal Properties Metric English Comments
CTE, linear 8.60 µm/m-°C

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

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

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

@Temperature 68.0 - 572 °F
Transformation Temperature, Tg 480 °C
896 °F
Optical Properties Metric English Comments
Refractive Index 1.52

@Wavelength 587.6 nm
 1.52

@Wavelength 587.6 nm
 He
1.53

@Wavelength 404.7 nm
 1.53

@Wavelength 404.7 nm
 Hg
Transmission, Visible <= 1.0 %

@Wavelength 540 - 700 nm
 <= 1.0 %

@Wavelength 540 - 700 nm
80 %

@Wavelength 390 - 400 nm
 80 %

@Wavelength 390 - 400 nm
 Internal transmittance of 87% from 390-400 nm
80 %

@Wavelength 400 - 410 nm
 80 %

@Wavelength 400 - 410 nm
 Internal transmittance of 87% from 400-410 nm
IR Transmittance 75 %

@Wavelength 2500 - 2600 nm
 75 %

@Wavelength 2500 - 2600 nm
 Internal transmittance of 82% at 2600 nm.
UV Transmittance <= 0.040 %

@Wavelength 200 - 310 nm
 <= 0.040 %

@Wavelength 200 - 310 nm
Reflection Coefficient, Visible (0-1) 0.92
0.92
Chemical Properties Metric English Comments
Acid Class, SR 1
1
Alkali Class, AR 1
1
Stain Resistance Class, FR 0.0
0.0
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