团体标准 T/CPIA0015—2019ICS31.030 L90 中国光伏行业协会 发布光伏组件用背板 Backsheetforphotovoltaicmodule 2019-10-15实施 2019-09-27发布 全国团体标准信息平台 全国团体标准信息平台 T/CPIA0015—2019 I目次 前  言......................................................................................................................................................III 1范围.....................................................................................................................................................................1 2规范性引用文件.................................................................................................................................................1 3术语和定义.........................................................................................................................................................1 4产品分类.............................................................................................................................................................2 5技术要求.............................................................................................................................................................2 6取样、预处理条件和试验条件........................................................................................................................6 7试验方法.............................................................................................................................................................6 7.1外观.............................................................................................................................................................6 7.2厚度.............................................................................................................................................................6 7.3拉伸强度和断裂伸长率............................................................................................................................6 7.4层间剥离强度（复合型背板）................................................................................................................8 7.5背板与EVA剥离强度................................................................................................................................8 7.6背板与硅胶剥离强度................................................................................................................................9 7.7背板与胶带剥离强度（90°）..............................................................................................................10 7.8涂层附着力（涂覆型背板）..................................................................................................................10 7.9耐磨性.......................................................................................................................................................11 7.10抗划伤性...................................................................................................................................................12 7.11热收缩率...................................................................................................................................................12 7.12耐热性.......................................................................................................................................................12 7.13击穿电压...................................................................................................................................................13 7.14体积电阻率...............................................................................................................................................13 7.15绝缘穿透距离DTI...................................................................................................................................13 7.16相比电痕化指数CTI...............................................................................................................................14 7.17黄变指数...................................................................................................................................................14 7.18透射率..........................