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Schott BG34 Conversion Filter

Category Ceramic , Glass , Filter , Optical
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..Similar glasses include FG3, FG13
Physical Properties Metric English Comments
Density 3.23 g/cc
0.117 lb/in³
Thermal Properties Metric English Comments
CTE, linear 9.90 µm/m-°C

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

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

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

@Temperature 68.0 - 572 °F
Transformation Temperature, Tg 441 °C
826 °F
Optical Properties Metric English Comments
Refractive Index 1.59

@Wavelength 587.6 nm
 1.59

@Wavelength 587.6 nm
 He
1.61

@Wavelength 404.7 nm
 1.61

@Wavelength 404.7 nm
 Hg
Transmission, Visible 71 %

@Wavelength 410 nm
 71 %

@Wavelength 410 nm
 Internal transmittance of 79% at 410 nm.
IR Transmittance 81 %

@Wavelength 2600 nm
 81 %

@Wavelength 2600 nm
 Internal transmittance of 90% at 2600 nm.
UV Transmittance <= 1.0 %

@Wavelength 200 - 340 nm
 <= 1.0 %

@Wavelength 200 - 340 nm
60 %

@Wavelength 390 nm
 60 %

@Wavelength 390 nm
 Internal transmittance of 66% at 390 nm
Reflection Coefficient, Visible (0-1) 0.90
0.90
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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