JGT574-2019······1

1 范圍······4

2 規(guī)范性引用文件······4

3 術語和定義······4

4 分類、規(guī)格和標記······5

5 一般要求······6

6 要求······6

7 試驗方法······8

8 檢驗規(guī)則······12

9 標志、包裝、運輸和貯存······14

附錄A（規(guī)范性附錄） 耐久性試驗方法······15