... graphite,excellent materials for EDM ,metal continuous casting;Sintering,precious metals smelting,graphite moulds, etc CDCarbon is the BEST and LARGEST isostatic graphite ... . We could produce the following isostatic graphite material:Rods: dia400*450mm, dia.450 ... drawings. Applications: Semiconductor (monocrystalline Silicon), EDM, Ceramic Sinter, graphite moulds in continuous casting,precious Metals ...