The material is formed by integrating graphite foil ,(PAN)graphite felt,carbon cloth,and then subjecting them to secondary high temperature purification treatment.The material is superior in ableation resistance performance,thermal shock resistance performance,airflow washing proof performance and thermal insulation performance.It is mainly used for vacuum high pressure air quenching furnace,low pressure fritting furnace,single crystal furnace,muliticrystalline Dss.