# this file is part of refractiveindex.info database
# refractiveindex.info database is in the public domain
# copyright and related rights waived via CC0 1.0

REFERENCES: "<a href=\"http://refractiveindex.info/download/data/2017/schott_2017-01-20b.agf\">SCHOTT Zemax catalog 2017-01-20b</a> (obtained from <a href=\"http://www.schott.com/advanced_optics/english/download/\">http://www.schott.com</a>)<br>See also <a href=\"http://refractiveindex.info/download/data/2017/schott_2017-01-20.pdf\">SCHOTT glass data sheets</a>"
COMMENTS: "suitable for precision molding        "
DATA:
  - type: formula 2 
    wavelength_range: 0.31 2.5
    coefficients: 0 1.18318503 0.00722141956 0.0871756426 0.0268216805 1.03133701 101.702362
  - type: tabulated k
    data: |
        0.310 3.8602E-06
        0.320 1.4536E-06
        0.334 3.3459E-07
        0.350 8.0850E-08
        0.365 3.1801E-08
        0.370 2.4996E-08
        0.380 1.7054E-08
        0.390 1.2477E-08
        0.400 1.0227E-08
        0.405 9.0558E-09
        0.420 8.0456E-09
        0.436 8.3521E-09
        0.460 7.3395E-09
        0.500 6.3790E-09
        0.546 5.2218E-09
        0.580 5.5469E-09
        0.620 5.9295E-09
        0.660 6.3120E-09
        0.700 6.6946E-09
        1.060 3.3758E-09
        1.530 1.0336E-07
        1.970 5.2286E-07
        2.325 2.6396E-06
        2.500 6.1794E-06
SPECS:
    n_absolute: false
    wavelength_vacuum: false
    nd: 1.5164
    Vd: 64.06
    glass_code: 516641.243
    glass_status: standard
    density: 2.433 g/cm<sup>3</sup>
    thermal_expansion:
      - temperature_range: -30 70 °C
        coefficient: 5.99e-06 K<sup>-1</sup>
      - temperature_range: 20 300 °C
        coefficient: 7.32e-06 K<sup>-1</sup>
    dPgF: -0.0025
    climatic_resistance: 1.0
    stain_resistance: 0.0
    acid_resistance: 1.0
    alkali_resistance: 2.3
    phosphate_resistance: 2.3
