
2024-06-03
| Sample name: | PA black bellows | Sample Specification: | Ø29 * 34.5 |
| Number of samples/unit: | 1 piece | Sample lot number: | |
| Commission unit: | Operations | Test type: | Low temperature bending |
| Delivery date for checking: | 2022/10/6 | Completion date: | 2022/10/7 |
Test items:
PA bellows low temperature bending test, test requirements.
Take 3 sections of 300mm long bellows samples, place them in the oven at -55℃ and store them for 24 hours;
After testing, at room temperature up to 1 lap / 5s speed will be checked after the sample around the Ø 116mm mandrel for two laps;
Test requirements after the bellows, visual inspection should not be cracks and fractures phenomenon.
Test equipment: Constant Temperature Aging Tester
| Room temperature: | 23 ℃ | Humidity: | 80% | |||
| Test photos: | ||||||
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| test taker | posttest | Bend test | ||||
| Observation and analysis: | ||||||
| The sample did not collapse or crack when bent. | ||||||
| Conclusion: | ||||||
| The low temperature bending test on the black corrugated PA pipe was successful and met the design requirements. | ||||||
| Tester/Date: | Liao Yanfan 2022-10-7 | Review/date: | Li Dingzhuang 2022-10-7 |