Asbestos-free GUFERO GFM 390 jointing sheets (also known as asbestos-free plates, asbestos-free jointing sheets, Klingerit plates, etc.) are manufactured from aramid fibres, mineral fibres and a high quality NBR. The asbestos-free GUFERO GFM 390 seal is water-resistant and oil-resistant and is most frequently used for low to medium loads. These seals are designed for low operating pressure, power transformers, compressors, oil pans or combustion engines.
| Density |
1,50 - 1,90 g/cm3 |
| Compressibility |
7 - 15 % |
| The maximum temperature |
350 °C |
| Maximum continuous temperature |
250 °C |
| Maximum operating pressure |
70 Kg/cm2 |