High-hardness HNBR compound for turning
Product Features
• Non-stick and crack-free after vulcanization
• Smooth turning parts without chipping
• Low pressure deformation
• Good sealing performance
Performance Parameters
| Testing items | standard | numerical values |
| hardness | shoreA | 85 |
| Tensile strength | MPa | 21 |
| and elongation at break | % | 150 |
| thermal aging (150℃*72h) |
Hardness change shoreA | 2 |
| Strength change % | 12 | |
| Elongation change % | -10 | |
| Oil resistant to No. 1 (150℃*24h) |
Changes in hardness | 1 |
| ( shoreA), | 9 | |
| strength (%), | -11 | |
| elongation (%), and volume (%) | 3.5 | |
| Oil resistant to No.3 (150℃*24h) |
Hardness change shoreA | -3 |
| Strength change | -7 | |
| % Elongation change | 15 | |
| % Volume change % | 16 | |
| Type B vdtage tane ormer | 150℃*72h | 19 |
| Low-temperature | ℃ | -45 |
| brittle density | g/cms | 1.4 |