The container is used both for the production: • Fine gold and silver spherical grains • Gold and silver spherical grains • Grains with high surface area for refining purposes
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These units are made entirely out of stainless steel and are cylindrical in shape with truncated cone bottoms.
They are also fitted with special discharge & rapid opening valves to discharge the grains into steel containers. They have centrifugal pumps for moving the water and for partial discharge. Graining operations are carried out in graphite or ceramic crucible or dies; the latter are supported by a stainless steel frame fitted with a propane/air burner to control the pour.