JG/T521-2017······1

1 范圍······4

2 規(guī)范性引用文件······4

3 術(shù)語和定義······4

4 分類和標(biāo)識······4

5 材料······5

6 要求······5

7 試驗方法······6

8 檢驗規(guī)則······7

9 標(biāo)志、包裝、運輸和貯存······7

參考文獻(xiàn)······9