... extruded graphite,Special carburizing treatment graphite materialCHARACTERISTIC :1. Characterized by high temperature resistance ,corrosion resistance, good thermal shock resistance ,good ... lubricanting oil.4. Sealing material: it can be as sealing ring in the equipment, such as centrifugal pump, hydraulic turbine ... for melting and reduction. Boats and trays for sintering. High quality graphite sheet