GB/T 31973-2015 Translated English of Chinese Standard. (GBT 31973-2015, GB/T31973-2015, GBT31973-2015): Natural Weathering Exposure Tests for Automotive Non-Metallic Materials and PartsThis Standard specifies the principle, exposure site, equipment on exposure site, test sample, test duration, test procedure, and test report of the natural weathering exposure tests for automotive non-metallic materials and parts. This Standard is applicable to the natural weathering exposure tests for automotive non-metallic materials and parts. |
Contents
| 3 | |
| 4 | |
| 5 | |
Exposure Site | 6 |
Test Specimen | 11 |
Test Period | 12 |
Test Report | 15 |
Appendix A Informative Chinas Major Climate Types | 16 |
Appendix B Normative Temperature Control and Temperature Corrected Radiation Energy | 17 |
Normative Aging Definition Appearance Inspection Items | 20 |
Common terms and phrases
5min Aging Definition aluminum alloy ambient factors amount of radiation amount of solar amount of specimens Annual cumulative temperature Annual rainfall annual solar radiation assembly automotive non-metallic materials backplane black box exposure chamber body chamber Entire chamber chamber is completely China’s Major Climate climate Total annual completely sealed Control temperature corrected radiation energy corrosion-resistant crack Definition Description desert climate device under glass dimension environmental exposure period exposure site Hainan horizontal surface Indirect exposure device installing the specimen Major Climate Types materials and component measuring equipment measuring instrument Mongolia natural atmospheric conditions natural weathering exposure place the specimen plastic plywood provisions of GB/T radiation intensity relative humidity relevant provisions Set test period solar radiation energy special requirements Specimen surface appears standard sample Taiwan Temperature control Temperature Corrected Radiation test chamber Entire tests for automotive thermocouple Total annual solar trim strip truck Pillar ultraviolet radiation vertical surface weathering exposure tests Xinjiang