This product is formed by pressing mechanically or sticking flexible graphite sheets together with metal plate,It has excellent sealing property for microscopic surface irregularities and strong compensation capacity for uneven sealing curface.it also has good compressibility,good resilience,small stress relaxation and long working life.It is mainly used for making cylinder gaskets of engines and punching into all kinds of sealing gaskets.Size1.0-3.0×1500×1500mm,1.0-3.0×1000×1000mm。