Flexible graphite was the first fluid sealing material made exclusively from pure, natural graphite flake. Its resistance to heat, fire, corrosion and aggressive chemicals make it the most universally applicable sealing solution on the market today.They are made through the advanced chemical treatment and mechanical procedure without fibers, binders or other additives. It offers excellent sealing capabilities under extreme conditions with a longer life and less maintenance. It can be cut into strip for filler of spiral wound gasket.
Application
Used widely in chemical, automotive and pump, valve industries. As a superior replacement for asbestos, new more applications are Being identified daily.
Temperature
-240~800°C under oxidizing environment
-240~2800°C under non-oxidizing environment
Technical Data
Items | Typical Value | Specification |
Carbon content | >=99% | 99.25% |
Tensile strength (D= 1g/cm2) | ≥4.0Mpa | 4.27Mpa |
Thickness | ≤±H*7% | 2.0±0.02mm |
| Temperature (oxidizing environment) | --- | -240~800°C |
Temperature (non-oxidizing environment) | --- | -240~2800°C |
Density (G/CM2) | ±0.07g/cm3 | 1.05g/cm3 |
Compressibility | 35%~55% | 43.1% |
Elastic recovery | ≥9% | 9.26% |
Ash content | ≤2.0% | 0.86% |
Mass loss(450℃) | ≤1.0% | 0.55% |
Mass loss(600℃) | ≤20% | 16.9% |
Sulfur content | ≤1200ppm | --- |
total chlorine content | ≤80ppm | 37ppm |
PH Range | --- | 0 - 14 |
