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Inspection Items (Unit) Standard QC/T639-2004 Inspection Result Hardness (Shore A) 70±5 68 Strength Min Mpa 7.0 7.2 Elongation Rate Min. % 250 370 Breaking Tension Min. KN/m 15 16 Compression Deformation 100ºC×22hMax. % 50 50 100ºC×70hHot aging Strength Varies Max. % -25 25 Elongation Rate Max. % -25 25 (200PPhm20%，40ºC×70h） Ozone resist […]
| Inspection Items |
(Unit) |
Standard QC/T639-2004 |
Inspection
Result |
|
| Hardness (Shore A) | 70±5 | 68 | ||
| Strength Min | Mpa | 7.0 | 7.2 | |
| Elongation Rate Min. | % | 250 | 370 | |
| Breaking Tension Min. | KN/m | 15 | 16 | |
| Compression
Deformation |
100ºC×22hMax. | % | 50 | 50 |
|
100ºC×70hHot aging |
Strength Varies Max. | % | -25 | 25 |
| Elongation Rate Max. | % | -25 | 25 | |
| (200PPhm20%，40ºC×70h） Ozone resist | No Crack | No crack | ||
|
(23ºC×168h）Contamination |
Minor Yellow Contamination |
No Contamination |
||
| Brittleness Temperature Max. | ºC | -50 | -53 | |
