A 5-6 nm ultrathin formvar film supported standard copper square mesh grids. Copper grid, 200 mesh. All of our film is laid on the shiny side of the grid.
從最近期的版本中選擇一個：
分析證明 (COA)
Lot/Batch Number
It looks like we've run into a problem, but you can still download Certificates of Analysis from our 文件 section.
