Stellite and colmonoy welding with hardness 32-45 HRc (for plunger, bottom
plate, neck ring jaw) Ceramic coating with
hardness 58-60 HRc (for mould holder rots etc.)
Electroerosion processes with CNC
EDM (Electrical Discharge Machines) by utilizing graphite or
copper
electrods (for blanks, blow moulds etc.)
Hard chromium coating with hardness 56-58 HRc (for blanks etc.)
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