# 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="https://refractiveindex.info/download/data/2017/schott_2017-01-20b.agf">SCHOTT Zemax catalog 2017-01-20b</a> (obtained from <a href="https://www.schott.com/en-us/products/optical-glass-p1000267/downloads/">http://www.schott.com</a>)<br>See also <a href="https://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: 0.32 2.5
    coefficients: 0 1.31053414 0.00740877235 0.169376189 0.0254563489 1.10987714 107.751087
  - type: tabulated k
    data: |
        0.320 1.8667E-06
        0.334 5.2551E-07
        0.350 1.5515E-07
        0.365 5.9594E-08
        0.370 4.8078E-08
        0.380 3.3108E-08
        0.390 2.5080E-08
        0.400 2.0537E-08
        0.405 1.9484E-08
        0.420 1.7494E-08
        0.436 1.5351E-08
        0.460 1.3238E-08
        0.500 7.9777E-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 1.0137E-08
        1.530 1.0834E-07
        1.970 7.3075E-07
        2.325 3.4194E-06
        2.500 7.2916E-06
CONDITIONS:
    temperature: 293
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: 2.6e-06 9.4e-09 -2.3e-11 4.9e-07 5.96e-10 0.178
    nd: 1.587
    Vd: 59.6
    glass_code: 587596.301
    glass_status: standard
    density:
      - value: 3012
    thermal_expansion:
      - temperature_range: 243 343
        value: 7.23e-06
      - temperature_range: 293 573
        value: 8.9e-06
    dPgF: -0.0024
    resistance:
        climatic: 4.0
        stain: 3.0
        acid: 52.3
        alkali: 2.0
        phosphate: 3.0