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Schott GG420 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
Download PDF	Schott GG420 Long Pass Filter.pdf
Price	EMAIL US sales@lookpolymers.com
	Online Service lookpolymers 27660005

Material Notes:

Colloidally colored glass. Data provided by the manufacturer, Schott Glas Mainz.Similar glasses include GG395, GG400, GG385, GG435, GG455, GG475, GG495, OG515, OG530, OG550, OG570, OG590, RG610, RG630, RG645, 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/inÂ³

Thermal Properties	Metric	English
CTE, linear	7.70 Âµm/m-Â°C @Temperature -30.0 - 70.0 Â°C	4.28 Âµin/in-Â°F @Temperature -22.0 - 158 Â°F
	8.60 Âµm/m-Â°C @Temperature 20.0 - 300 Â°C	4.78 Âµin/in-Â°F @Temperature 68.0 - 572 Â°F
Transformation Temperature, Tg	586 Â°C	1090 Â°F
Glass Temperature Coefficient	0.080	0.080

Optical Properties	Metric	English	Comments
Refractive Index	1.53 @Wavelength 1014 nm	1.53 @Wavelength 1014 nm	Hg
	1.54 @Wavelength 587.6 nm	1.54 @Wavelength 587.6 nm	He
	1.56 @Wavelength 435.8 nm	1.56 @Wavelength 435.8 nm	Hg
Transmission, Visible	<= 0.70 % @Wavelength 400 - 410 nm	<= 0.70 % @Wavelength 400 - 410 nm
	90 % @Wavelength 500 - 510 nm	90 % @Wavelength 500 - 510 nm	Internal transmittance of 99% from 500-510 nm
IR Transmittance	91 % @Wavelength 710 - 1600 nm	91 % @Wavelength 710 - 1600 nm	Internal transmittance of 100% Â from 710-1600 nm.
UV Transmittance	0.0010 % @Wavelength 200 - 400 nm	0.0010 % @Wavelength 200 - 400 nm	Internal transmittance of 0.001% from 200-400 nm.
Reflection Coefficient, Visible (0-1)	0.90	0.90

Chemical Properties	Metric	English
Acid Class, SR	1	1
Alkali Class, AR	2.3	2.3
Stain Resistance Class, FR	0.0	0.0

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