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  Tin in ampoule
Tin in ampoule.

  Tin ingot
Tin ingot.

  High purity tin bar
High purity tin bars (5N).

  Tin granules
Tin granules.

  Tin glass Tin glass (bottom)
Tin glass.

  Tin pest before cooling (5N tin bar) Tin pest, 10 hours at -38 °C Tin pest 2 day at -38 °C
    Tin pest: Pure (5N) tin before cooling, partial conversion after 10 hours at -38 °C and full conversion to grey tin.


    Three time lapse video of tin pest:
    Conversion of tin ingot. 6 frames per hour.
   

    Machined piece at -40C. 1 second of video correspond 1 hour of real time, 20 frames per hour. Grid size - 1 cm.
   

    Tin disc. Conversion start by itself in several places