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Schott RG645 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:
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, GG385, RG665, RG695, RG715, RG780, RG830, RG850, RG1000, WG225, WG280, WG295, WG305, WG320
Physical Properties Metric English Comments
Density 2.76 g/cc
0.0997 lb/in³
Thermal Properties Metric English Comments
CTE, linear 9.80 µm/m-°C

@Temperature -30.0 - 70.0 °C
5.44 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 597 °C
1110 °F
Glass Temperature Coefficient 0.16
0.16
Optical Properties Metric English Comments
Refractive Index 1.53

@Wavelength 852.1 nm
1.53

@Wavelength 852.1 nm
Cs
1.53

@Wavelength 1014 nm
1.53

@Wavelength 1014 nm
Hg
1.54

@Wavelength 578.6 nm
1.54

@Wavelength 578.6 nm
He
Transmission, Visible <= 0.0090 %

@Wavelength 400 - 620 nm
<= 0.0090 %

@Wavelength 400 - 620 nm
90 %

@Wavelength 690 nm
90 %

@Wavelength 690 nm
Internal transmittance of 99% at 690 nm
IR Transmittance 91 %

@Wavelength 700 - 1800 nm
91 %

@Wavelength 700 - 1800 nm
Internal transmittance of 100%  from 700-1800 nm.
UV Transmittance 0.0010 %

@Wavelength 200 - 400 nm
0.0010 %

@Wavelength 200 - 400 nm
Internal transmittance of 0.001% or less from 200-400 nm.
Reflection Coefficient, Visible (0-1) 0.91
0.91
Chemical Properties Metric English Comments
Acid Class, SR 4.4
4.4
Alkali Class, AR 1
1
Stain Resistance Class, FR 3
3
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