Expanded Graphite Sheet & Roll are selected from the high purity natural flake graphite.They are made through the advanced chemical treatment and mechanical procedure etc.This products inhance excellent properties such as thermal stable,with stand high and low temperature,corrosion,resistance.It has been widely used for die formed packing rings and various kinds of gaskets.It is a basic material for making different kinds of graphi te seals.Special specifications can be ordered on customer's demands.