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- Name：Expanded Graphite Sheet / Roll
- Number：G - Grafoil 340
- Class：Graphite Sheet
- Added time：2012-07-11
- Views：1942
- Sold amount：0
Details
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:340NAPPLICATION: Made for packing rings and various kinds of gaskets. Cut into strip for filler of spiral wound gasket - Style TA340
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 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
|
2.0
|
DIMENSIONS:
|
Item
|
Sheets
|
Rolls
|
|
Density g/cm3
|
1.0
|
1.0
|
|
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.