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National Labs (8731-NL)
National Labs
The United States Department of Energy national laboratories and technology centers are a system of facilities and laboratories overseen by the United States Department of Energy (DOE) for the purpose of advancing science and technology to fulfill the DOE mission. Sixteen of the seventeen DOE ...
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CR-39 ®(Homalite H-911®)

OVERVIEW
Homalite H-911 CR-39® is a ultra-high optical quality sheet that provides solutions to challenging glazing & display applications in the Nuclear, Electronic & Aerospace industries.
CR-39® monomer is the dominant material for eyeglass lenses. Homalite casts CR-39® monomer into sheet form known by the trade name H-911. Homalite H-911 is clear, hard, almost colorless, and thermally set. Its surfaces are comparable in smoothness, luster, and chemical resistance to polished plate glass.

Optional Surfaces: Homalite material which is used as a filter/window in front of a display is often specified with a low-reflectance finish. These surface finishes minimize glare by reducing specular reflection. Unlike other filters, the low glare surface of Homalite filters is cast into the material. This surface is not a lamination or coating so it cannot separate, chip, peel or rub off. Two low-reflectance surfaces are available:
  • LR72 - The most light-diffusing surface. For mounting as close as possible to the light source. This finish provides a high level of light diffusion and is also characterized by its ability to provide resolution of 12 point, 1/8 inch high (pica) print or larger characters when the filter source is at a parallel to the plane of the light source at a distance of no greater than 1/2 inch from the source. Characters should be viewed perpendicular to the surface of the filter in ambient light (100 foot-candles.)
  • LR92 - This finish provides a lesser degree of light diffusion but higher resolution than LR 72 described above. Typically 12 point 1/8 inch high print or characters can be resolved through the part when it is placed parallel to the plane of the light source at a distance of no greater than 2 inches from the source. Characters should be viewed perpendicular to the surface of the filter at ambient light.
  • FEATURES AND BENEFITS
    Features of CR-39 ®(Homalite H-911®):
  • Chemical & solvent resistant
  • Abrasion-resistant
  • Impact-resistant
  • Resistance to gamma irradiation
  • Applications Include: Electronic Display Windows, Instrument Covers, Nuclear Laboratory Windows
  • (Homalite CR39) CR-39 ®(Homalite H-911®)
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