Home / Standards / GB/Z 28820.4-2022 GB/Z 28820.4-2022 Active Long-term radiation ageing in polymers—Part 4: Effects of different temperatures and dose rates under radiation conditions 聚合物长期辐射老化 第4部分:辐射条件下不同温度和剂量率的影响 Standard Type GBZ ICS 17.240;29.035.01 CCS K15 Status 现行 Issue Date 2022-07-11 Implementation N/A Responsible Dept 中国电器工业协会 Drafting Unit N/A