Graphite sheet
Expanded Graphite Sheet
Expanded graphite sheet made from high-purity flake graphite. Extreme temperature resistance and excellent sealing for i.....
Expanded Graphite Sheet is manufactured from high-purity natural flake graphite through advanced chemical expansion and precision rolling technology. The material is produced without the use of fibers, binders, or additional fillers, resulting in a pure graphite sheet with exceptional sealing properties. It performs reliably in harsh operating environments, delivers long service life, and requires minimal maintenance when compared to traditional sealing materials.
Features
High-Purity Material
Made from refined natural graphite, offering excellent carbon content, stable performance, and reliable sealing in elevated temperatures and corrosive environments.
Superior Sealing Performance
The sheet maintains stable compressibility and recovery rates, enabling tight sealing under extreme pressure and thermal cycling conditions.
Asbestos-Free Design
Provides an advanced alternative to asbestos-based gasket materials, suitable for a wide range of industrial sealing applications.
Thermal and Chemical Stability
Handles aggressive media and extreme temperatures from −240°C to 500°C in oxidizing environments, and up to 3500°C in non-oxidizing conditions, with a full pH range of 0 to 14.
Applications
Expanded Graphite Sheet is widely used for sealing and thermal protection in chemical plants, automotive systems, petroleum refining, pumps, and valves. It can be cut into spiral wound gasket fillers or processed into packing rings and various precision gaskets. As a high-performance asbestos replacement material, it continues to expand into new applications requiring superior heat resistance and chemical stability.
Technical data sheet
Item |
Nuclear grade |
Industrial grade |
Density g/cm3 |
1.0 |
1.0 |
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 |
loss on ignition ≤% |
0.5 |
2.0 |
Temperature: |
-240~500°C under oxidizing environment,-240~3500°C under non-oxidizing environment |
|
PH Range |
0 - 14 |
|
Size:
Item |
Sheets |
Rolls |
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.