... Granularity: 325mesh Compressive strength: 50-85Mpa High Carbon Expandable Graphite 1.It can be used in hot water, high temperature ... chemicals, instruments, meters, etc. Making by rolling high-carbon flake graphite which is chemically treated in high temperature. It is the ... use: can be made into a variety of graphite strip, packing, gaskets, composite panels, cylinder gasket for a variety of pipes ...