... for smelting jewelryWe may supply the following isostatic graphite material:Rods: dia.300x400, dia.400x400, dia.450x400, dia.480x400, dia.500x350 ... continuous casting,precious Metals Smelting,high temperature corrosion resistance container,Cemented Carbide sinter,Vacuum Furnace and Diamond sinter and etc. Graphite tube ...