Free From Asbestos Jointing SheetNon-asbestos sheet material, made primarily of aramid and inorganic fibers with a special synthetic rubber binder and fillers, is rolled and vulcanized. It has excellent oil, fuel oil, and water resistance, making it ideal for engine gaskets and packings in automobiles, motorcycles, marine applications, and generators. Joint sheets are produced at Thailand plant and India plant.
Thailand plant (Thai Leakless Corporation Ltd), 100 inch calender roll x 3 units
India plant (Leakless Gasket India Pvt Ltd.), 100 inch calender roll x 2 units
Joint Sheet Product List| Product No | Type | Features |
|---|---|---|
| FFA6 | General | As a gasket/packing material with excellent resistance to oil, fuel oil, and water, it can be used in power equipment engines and industrial equipment. |
| FFA7B | High Strength | It can be used as a high-performance gasket material with high tensile strength, flexibility after heating, oil resistance, fuel resistance, water resistance, and creep resistance. |
| FFA16K | High Temperature | This newly developed material uses expanded graphite in inorganic and aramid fibers, and has excellent oil resistance, fuel resistance, water resistance, and stress relaxation resistance at high temperatures. |
General Specifications| Test items | Unit | FFA6 | FFA7B | FFA16K | |
|---|---|---|---|---|---|
| Thickness | mm | 0.5 | 0.5 | 0.5 | |
| Specific gravity | g/cm³ | 1.70～2.00 | 1.40～1.70 | 1.40～1.80 | |
| Tensile strength | Perpendicular to the fiber | MPa | 13.7 Min. | 20.0 Min. | 11.0 Min. |
| Compression properties P=34.5MPa |
Compression rate | % | 6.0～9.0 | 5.0～15.0 | 5.0～15.0 |
| Recovery rate | % | 40.0 Min. | 50.0 Min. | 60.0 Min. | |
| IRM903 oil resistance 150℃ x 5 hours |
Thickness increase rate | % | 15.0 Max. | 25.0 Max. | 5.0 Max. |
| Weight increase rate | % | 15.0 Max. | 25.0 Max. | 15.0 Max. | |
| Fuel C fuel oil resistance 25℃ x 5 hours |
Thickness increase rate | % | 20.0 Max. | 25.0 Max. | 12.0 Max. |
| Weight increase rate | % | 20.0 Max. | 25.0 Max. | 20.0 Max. | |
| Stress relaxation rate P=14.7MPa、150℃ｘ22 hours |
% | 26.0 Max. | 25.0 Max. | 20.0 Max. | |
| Usage temperature | ℃ | -50～180 | -50～180 | -50～300 | |
| Sheet structure, | 3 Layers | 2 Layers | 2 Layers | ||
| Dimensions (thickness) | mm | 0.3、0.4、0.5、0.8、1.0、1.5、2.0、3.0 | |||
| Dimensions (width x length) | mm | 1270ｘ1270、1270ｘ1905、1270ｘ3810 | |||
The above specification data is based on our test results and experiments.
The operating temperature is for reference only.
Actual operating conditions may vary, so we recommend that you perform a confirmation test before use.
Inquiry via e-mail
info@nlk.co.jp