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Schott NG5 Neutral Density Filter

Category Ceramic , Glass , Filter , Optical
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:
Ionically colored glass. Data provided by the manufacturer, Schott Glas Mainz..Similar glasses include NG3, NG4, NG1, NG9, NG10, NG11, NG 12
Physical Properties Metric English Comments
Density 2.43 g/cc
0.0878 lb/in³
Thermal Properties Metric English Comments
CTE, linear 6.60 µm/m-°C

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

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

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

@Temperature 68.0 - 572 °F
Transformation Temperature, Tg 474 °C
885 °F
Optical Properties Metric English Comments
Refractive Index 1.50

@Wavelength 587.6 nm
 1.50

@Wavelength 587.6 nm
 He
Transmission, Visible 51 - 55 %

@Wavelength 400 - 700 nm
 51 - 55 %

@Wavelength 400 - 700 nm
 Internal transmittance of 55-60% from 400-700 nm.
IR Transmittance 64 %

@Wavelength 2500 - 2600 nm
 64 %

@Wavelength 2500 - 2600 nm
 Internal transmittance of 70% at 2500-2600 nm.
UV Transmittance <= 1.0 %

@Wavelength 200 - 330 nm
 <= 1.0 %

@Wavelength 200 - 330 nm
46 %

@Wavelength 390 nm
 46 %

@Wavelength 390 nm
 Internal transmittance of 50% at 390 nm
Reflection Coefficient, Visible (0-1) 0.92
0.92
Chemical Properties Metric English Comments
Acid Class, SR 3.2
3.2
Alkali Class, AR 2
2
Stain Resistance Class, FR 1
1
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