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Flexible graphite roll(sheet) is made from flake graphite with high carbon content which has gone through chemical treatment,expanding under high temperature and then rolling . Characteristics: 1)High or Low Temperature Resistance, 2)Corrosion Resistance,Anti-irradiation,Low Creep Relaxation , 3)Good Elasticity &Recovery,Excellent Self-lubrecity & Low Friction Coefficient. Usage: 1)Basic material for making all kinds of composite graphite sheets,graphite tapes,packing & sealing gaskets. 2)Being widely usedasdynamic and static sealing for machine,pipe, pump and valve in the field of power,petroleum,chemical,instrument industry as well as machinery industry. 3)Itcan serve as a good substitutefor thetraditional sealing material such as rubber, fluorated plastics and asbestos,etc. Technical index :ItemClassAClassBClassC0.7 1.1g/cm3 Tolerance of density±0.03±0.04±0.050.2 1.5mm Tolerance of thickness±0.02±0.03±0.04Carbon content(%)99.999.599(Mpa) Tensile strength≥4.3(Mpa) Compressive stength≥160Compressibility(%)≥40Recovery(%)≥12(PPM) Sulphur content≤200≤500≤1300(PPM) Chloride content≤30≤40≤50