Non-Asbestos Jointing Sheets Gasket are made of special non-asbestos heat-resisting Fibre, heat-resisting packing material, and special rubber compound heating and compression molding it.
Material: Made of special non-asbestos heat-resisting Fibre, heat-resisting packing material and nature rubber compound heating and compression molding it.
Uses: Substitution of corresponding models of asbestos rubber sheet ,Used for the equipment in water,steam,etc.and used as sealing material in the joints of pipeline
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NXB200 Non-Asbestos Jointing Sheet Gasket |
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NXB300 Non-Asbestos Jointing Sheet Gasket |
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NXB350 Non-Asbestos Jointing Sheet Gasket |
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NNY150 Non-Asbestos Jointing Sheet Gasket |
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NNY250 Non-Asbestos Jointing Sheet Gasket |
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NNY300 Non-Asbestos Jointing Sheet Gasket |
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NNY350 Non-Asbestos Jointing Sheet Gasket |
| Item | NXB200 | NXB300 | NXB350 | NNY150 | NNY250 | NNY300 | NNY350 |
|---|---|---|---|---|---|---|---|
| Tensile strength MPa≥ | 5.0 | 7.0 | 11.0 | 8.0 | 10.0 | 12.0 | 15.0 |
| Aging Coefficient ≥ | 0.9 | ||||||
| Density g/cm³ | 1.6—2.0 | 1.6—2.0 | 1.6—2.0 | 1.6—1.8 | 1.6—1.8 | 1.6—1.8 | 1.6—1.8 |
| Compressibility % | 12 ± 7 | 12 ± 7 | 12 ± 7 | 12 ± 7 | 12 ± 7 | 12 ± 7 | 12 ± 7 |
| Rebound degree | 35 | 40 | 45 | 40 | 45 | 50 | 50 |
| Pliability | No Crack | No Crack | No Crack | No Crack | No Crack | No Crack | No Crack |
| Stress-relaxation≤ | 45 | 45 | 45 | 40 | 40 | 30 | 30 |
| Item | NNY150 | NNY250 | NNY300 | NNY350 |
|---|---|---|---|---|
| Oil sealing With the temperature of 15℃to 30℃ 75﹟aviation gasoline for 30 min | 10 MPa pressure for 30 min No leaking | 12 MPa pressure for 30 min No leaking | 15MPa pressure for 30 min No leaking | 16 MPa pressure for 30 min No leaking |
| With the temperature of 150±2℃ dipped in No.20 aviation oil for 5h and then taken out and laid for 5min. | ||||
| Tensile strength-reducing % | 40 | 30 | 25 | 25 |
| Thickness-increasing %≤ | 5—20 | 5—20 | 5—18 | 5—18 |
| Appearance change | No bubble | No bubble | No bubble | No bubble |
| With the temperature of 15 to 30 ℃ dipped in No.75 aviation oil for 5hand then taken out and laid for 5min. | ||||
| Tensile strength MPa ≥ | 5 | 6 | 8 | 10 |
| Thickness-increasing % | 5—25 | 5—25 | 5—20 | 5—20 |
| Pliability | No Crack | No Crack | No Crack | No Crack |
