| Study on Reliability of Valid Accelerated Test of Storage Life of Rubbers and Rubber Products |
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| DOI： |
| Key Words: vulcanizate；rubber products；accelerated aging |
| Author Name | Affiliation | | Li Yongjin | Northwest Institute of Rubber Industrial Goods |
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| Abstract: |
| A lot of data from the oven accelerated aging test and the natural aging test on the rubbers and their products were analysed. The results showed that the predicted storage life and service life of rubbers and their products with the accelerated test were in accordance with the measured ones，and the accelerated determination of the storage life was practicable. Several exceptional cases with larger differences between the predicted result and measured one were given. It was attributed to the different mechanisms between the accelerated aging and natural aging caused by relative humidity，physical relexation and swelling etc.. The difference resulted from the relative humidity was unavoidable. Therefore，the accelerated determination of the storage life based on the thermal oxidative aging mechanism had a definite drawback. |
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