MatWeb - Material Property Data Advertise with MatWeb!     Register Now
Data sheets for over 180,000 metals, plastics, ceramics, and composites.
MatWeb - Material Property Data HOME  •   SEARCH  •   TOOLS  •   SUPPLIERS  •   FOLDERS  •   ABOUT US  •   FAQ  •   LOG IN    
Recently Viewed Materials (most recent at top)  

Login to see your most recently viewed materials here.

Or if you don't have an account with us yet, then click here to register.

  Searches:   Advanced  | Category  | Property  | Metals  | Trade Name  | Manufacturer  | Recently Viewed Materials
  

Ensinger PEI

(Viewing data as-entered. Click here to return)
Schott NG9 Neutral Density Filter
Categories: Ceramic; Glass; Optical; Filter

Material Notes: Ionically colored glass. Data provided by the manufacturer, Schott Glas Mainz..

Similar glasses include NG3, NG4, NG5, NG1, NG10, NG11, NG 12

Key Words: DIN N0.04
Vendors: No vendors are listed for this material. Please click here if you are a supplier and would like information on how to add your listing to this material.
 
Physical PropertiesOriginal ValueComments
Density 2.44 g/cc
 
Chemical PropertiesOriginal ValueComments
Acid Class, SR 3.2
Alkali Class, AR 2
Stain Resistance Class, FR 1
 
Thermal PropertiesOriginal ValueComments
CTE, linear 6.40 µm/m-°C
@Temperature -30.0 - 70.0 °C
 7.20 µm/m-°C
@Temperature 20.0 - 300 °C
Transformation Temperature, Tg 487 °C
 
Optical PropertiesOriginal ValueComments
Refractive Index 1.51
@Wavelength 587.6 nm
He
Transmission, Visible 3.0 - 6.0 %
@Wavelength 410 - 690 nm
 8.0 %
@Wavelength 700 nm
Internal transmittance of 9%  at 700 nm
IR Transmittance 49 %
@Wavelength 2600 nm
Internal transmittance of 53% at 2600 nm.
UV Transmittance <= 1.0 %
@Wavelength 200 - 390 nm
Internal transmittance of 0.001% from 200-390 nm.
Reflection Coefficient, Visible (0-1) 0.92
@Wavelength 587.6 nm
Reflection Factor P

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to go back to viewing the property data in MatWeb's normal format.

CSGT59 / 2048

Proto3000 – 3D Engineering Solutions

Please read our License Agreement regarding materials data and our Privacy Policy. Questions or comments about MatWeb? Please contact us at webmaster@matweb.com. We appreciate your input.

The contents of this web site, the MatWeb logo, and "MatWeb" are Copyright 1996-2024 by MatWeb, LLC. MatWeb is intended for personal, non-commercial use. The contents, results, and technical data from this site may not be reproduced either electronically, photographically or substantively without permission from MatWeb, LLC.