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Sealing compound
Product Description
| Performance | Brand | |||
| VK650 | VK750 | VK850 | ||
| Normal performance | Hardness | 60 | 70 | 80 |
| Tensile Strength Mpa | 16 | 14 | 15 | |
| Elongation at break % | 335 | 259 | 212 | |
| Heat aging resistance | Hardness change | +4 | +3 | +3 |
| Tensile strength change rate % | 2.5 | 1.1 | 0.6 | |
| Rate of change in elongation at break % | -8.3 | -5.4 | -3.3 | |
| Resistant to ASTM 1# oil | Hardness change | +3 | +4 | +3 |
| Volume change % | -3.2 | -3.5 | -3.1 | |
| Resistant to ASTM 3# oil | Hardness change | -6 | -5 | -5 |
| Volume change % | +11.2 | +9.6 | +8.6 | |
| Compression set % | 23 | 19 | 17 | |
| Brittle temperature ℃ | -40 | -40 | -40 | |
| Features and uses | Various high temperature resistant oil resistant O-rings and seals | |||
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