... ,Isostatic Graphite,Vibration Graphite,High density and high Flexural Strength graphite material . (Die molded graphite),High pure extruded graphite,Special ... carburizing treatment graphite materialCHARACTERISTIC :1. Characterized by high temperature resistance ,corrosion resistance, good thermal shock resistance ... and reduction. Boats and trays for sintering. High quality graphite sheet