| Planigraph™ Graphite Gasketing Sheet | |||||
|---|---|---|---|---|---|
| Feature | UM | LG | LGR | LGRF | LGRHDI |
| Graphite density | gr/cm3 | 1.0 | 1.0 | 1.0 | 1.0 |
| Carbon Content | % | ≥ 98.0 | ≥ 98.0 | ≥ 98.0 | ≥ 98.0 |
| Ash Content | % | < 2.0 | < 2.0 | < 2.0 | < 2.0 |
| Sulphur Content | ppm | ≤ 1000 | ≤ 1000 | ≤ 1000 | ≤ 1000 |
| Halogen Content | ppm | ≤ 200 | ≤ 200 | ≤ 200 | ≤ 200 |
| Tensile Strenght | MPa | ≥ 4.0 | ≥ 4.0 | ≥ 4.0 | ≥ 4.0 |
| Compression ratio | % | 40 - 50 | 40 - 50 | 35 - 55 | 25 - 35 |
| Recovery | % | > 7 | > 7 | ≥ 9.0 | > 15 |
| Relaxation stress 16h, 300°C, initial stress 50 N/mm2 | N/mm2 | > 45 | > 45 | > 45 | > 45 |
| Maximum assembly load RT | N/mm2 | 40 | 60 | 140 | 200 |
| Temperature range service | °C | -200 / 550 | -200 / 550 | -200 / 550 | -200 / 550 |
| Maximum operating pressure | bar | 40 | 75 | 100 | 200 |