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Schott RG850 Long Pass Filter

Category Ceramic , Glass , Optical , Filter
Manufacturer Schott Glas Mainz
Trade Name
Port Shanghai port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
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Material Notes:
Colloidally colored 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, GG385, RG1000, WG225, WG280, WG295, WG305, WG320
Physical Properties Metric English Comments
Density 2.93 g/cc
0.106 lb/in³
Thermal Properties Metric English Comments
CTE, linear 9.70 µm/m-°C

@Temperature -30.0 - 70.0 °C
 5.39 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 571 °C
1060 °F
Glass Temperature Coefficient 0.22
0.22
Optical Properties Metric English Comments
Refractive Index 1.55

@Wavelength 852.1 nm
 1.55

@Wavelength 852.1 nm
 Cs
1.55

@Wavelength 1014 nm
 1.55

@Wavelength 1014 nm
 Hg
1.56

@Wavelength 587.6 nm
 1.56

@Wavelength 587.6 nm
 He
IR Transmittance 89 %

@Wavelength 1000 - 1900 nm
 89 %

@Wavelength 1000 - 1900 nm
 Internal transmittance of 97-98% from 930-2100 nm.
UV Transmittance <= 0.0010 %

@Wavelength 200 - 390 nm
 <= 0.0010 %

@Wavelength 200 - 390 nm
 Internal transmittance of 0.001% from 200-390 nm.
Reflection Coefficient, Visible (0-1) 0.91
0.91
Chemical Properties Metric English Comments
Acid Class, SR 52.4
52.4
Alkali Class, AR 1
1
Stain Resistance Class, FR 5
5
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