Expanded Graphite Sheet
Expanded Graphite Sheet


Grafoil is Selected from the high purity natural flake graphite.
Expanded graphite sheets are made through the advanced chemical treatment and mechanical procedure without fibers, binders or other additives.
Expanded graphite sheet offer excellent sealing capabilities under extreme conditions with a longer life and less maintenance.Nuclear Style grade:440N


Expanded graphite sheets made for packing rings and various kinds of gaskets.
Cut into strip for filler of spiral wound gasket - Style TA440
Expanded graphite sheets used widely in chemical, automotive and pump, valve industries. As a superior replacement for asbestos, new more applications are Being identified daily.

'-240~500°C under oxidizing environment
-240~3500°C under non-oxidizing environment

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Item Nuclear
Industrial grade
Tolerance of Density   g/cm3 ±0.05 ±0.06
Carbon Content       ≥% 99.5 98/99
Tensile strength       ≥Mpa 5 4
Compressibility       ≥% 30 30
Recovery             ≥% 15 15
Sulphur Content       ≤% 700 1200
Chlorine Content      ≤% 25 50
Stress relaxation rate  % 10 10
Lgnition loss          ≤% 0.5 2
Item Sheets Rolls
Density  g/cm3 1 1
Length 1000, 1500mm 30~100m
Width mm 5~1000, 1500 3~1000~1500
Thickness mm 0.5~3 0.2~1.1
Special density, thickness, shape or grade available on request.

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