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Schott WG320 Long Pass 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:
Base glass. Data provided by the manufacturer, Schott Glas Mainz.Similar glasses include GG395, GG400, GG420, GG435, GG455, GG475, GG495, OG515, OG530, OG550, OG570, OG590, RG610, RG630, RG645, RG665, RG695, RG715, RG780, RG830, RG850, RG1000, WG225, WG280, WG295, WG305, GG385
Physical Properties Metric English Comments
Density 3.22 g/cc
0.116 lb/in³
Thermal Properties Metric English Comments
CTE, linear 7.10 µm/m-°C

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

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

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

@Temperature 68.0 - 572 °F
Transformation Temperature, Tg 413 °C
775 °F
Glass Temperature Coefficient 0.060
0.060
Optical Properties Metric English Comments
Refractive Index 1.46

@Wavelength 1014 nm
1.46

@Wavelength 1014 nm
He
1.47

@Wavelength 587.6 nm
1.47

@Wavelength 587.6 nm
He
1.49

@Wavelength 365 nm
1.49

@Wavelength 365 nm
Hg
1.52

@Wavelength 253.7 nm
1.52

@Wavelength 253.7 nm
Hg
Transmission, Visible 90 %

@Wavelength 400 - 700 nm
90 %

@Wavelength 400 - 700 nm
Internal transmittance of 100%  from 400-700 nm.
IR Transmittance 90 %

@Wavelength 2500 - 2600 nm
90 %

@Wavelength 2500 - 2600 nm
Internal transmittance of 86% from 700-1700 nm.
UV Transmittance <= 0.20 %

@Wavelength 200 - 270 nm
<= 0.20 %

@Wavelength 200 - 270 nm
90 %

@Wavelength 370 - 390 nm
90 %

@Wavelength 370 - 390 nm
Internal transmittance of 100%  from 370-390 nm
Reflection Coefficient, Visible (0-1) 0.92
0.92
Chemical Properties Metric English Comments
Acid Class, SR 1
1
Alkali Class, AR 2
2
Stain Resistance Class, FR 0.0
0.0
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