Graphite Shims

1 Shim (pictured shims may not reflect actual size)

Dimensions:

3cc -Dia. x 0.063"

4cc - Dia. x 0.063"

7cc - Dia. x 0.063"

15cc - Dia. x 0.063"

25cc - Dia. x 0.063"

40cc - Dia. x 0.063"

Graphite shims are used to thermally isolate crucibles from the cooled hearth.  Shims can assist with increasing evaporation rates.