Used for auto exhaust pipe and Muffler joint, It is a kind of high strength and high elastic expanded graphite filler sealing, Application: Special spheric shape allows the sealing to fully nestie against the sealed surf ace when the auto exhaust pipe swing in all directions, therefore, an effective sealing is achieved. Good for sealing of the exhaust pipe of diesel, petrol and motorcycle engines. According to difference of production way, Available types: EG-08PG Pure graphite ring, compressed by pure graphite sheet EG-08WR Reinforced graphite ring, Compressed by graphite sheet, inserted SS304 wire net EG-08FM Full Metal Ring, Compressed by full SS304 wire net.