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Ensinger PEI

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Corning FUSIBLE PHOTOGRAY 16 Photochromic crown glass
Categories: Ceramic; Glass; Optical

Material Notes: Application : Ophthalmic lenses : Progressive addition. (heat forming)

Information provided by Corning Incorporated.

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Physical PropertiesOriginal ValueComments
Density 2.70 g/cc
 
Thermal PropertiesOriginal ValueComments
CTE, linear 6.00 µm/m-°C
Softening Point 685 °C
Annealing Point 530 °C
Strain Point 685 °C
 
Optical PropertiesOriginal ValueComments
Refractive Index 1.59629
@Wavelength 656.3 nm
Line: C; Hydrogen
 1.59694
@Wavelength 643.8 nm
Line: C'; Cadmium
 1.60050
@Wavelength 587.6 nm
Line: d; Helium
 1.60151
@Wavelength 486.1 nm
Line: F; Hydrogen
 1.60387
@Wavelength 546.1 nm
Line: e; Mercury
 1.61123
@Wavelength 480 nm
Line: F'; Cadmium
Abbe Number 42ve
 42.2vd
 
Descriptive Properties
ColorClear to medium gray

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CCORN926 / 233337

Proto3000 – 3D Engineering Solutions

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