... precious metal smelting, etc may supply the following isostatic graphite material:Rods: dia400*450mm, dia.450*450mm, dia.480*500mm ... etc.Applications: Semiconductor (monocrystalline Silicon), EDM, Ceramic Sinter, graphite moulds in continuous casting,precious Metals Smelting Vacuum Furnace, ... Continuous Casting, Diamond sinter,Cemented Carbide sinter,ETC graphite mold for mechanical industry