Specification:
Description:Grafoil is Selected from the high purity natural flake graphite. They are made through the advanced chemical treatment and mechanical procedure without fibers, binders or other additives. It offer excellent sealing capabilities under extreme conditions with a longer life and less maintenance.Nuclear Style grade:4070N
APPLICATION:
Made for packing rings and various kinds of gaskets.
Cut into strip for filler of spiral wound gasket - Style TA4070
Used widely in chemical, automotive and pump, valve industries. As a superior replacement for asbestos, new more applications are Being identified daily
Temperature:
-240~500°C under oxidizing environment
-240~3500°C under non-oxidizing environment
PH Range: 0 - 14

PARAMETER:
Item Nuclear grade Industrial grade
Tolerance Densityg/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 2.0

DIMENSION:
Item Sheets Rolls
Densityg/cm3 1.0 1.0
Length 1000,1500mm 30~100m
Width mm 5~1000,1500 3~1000~1500
Thickhness mm 0.5~3 0.2~1.1
Special density, thickness, shape or grade available on request.