... can be as sealing ring in the equipment, such as centrifugal pump, hydraulic turbine ,etc.5. Anticorrosion material: Widely used ... departments.6. Insulation, high temperature resistant, radiation protection materials7.Molds: hot pressing molds, static casting molds, centrifugal casting molds, pressure casting ... for melting and reduction. Boats and trays for sintering. High quality graphite sheet