Ø      Graphite crucible:

             Sizes -  cups, 2 , 3 , 4 ,5

Ø      Silicon carbide crucible:

Red Diamond Sigma Al shape – Al 60, Al          80,Al 100,Al 120,Al 150, Al 200, Al 250, Al 400, Al 500, Al 600

Sigma BUI Shape, TPI – with spout and TPI – without spout models on demand