FTM 5304 Copper Test Strip
Copper test strips used in FTM 5304 (Corrosiveness of Greases or Semi-Solid Products). The test determines the presence of corrosive compounds in grease at room temperature. The copper test strip is 1" x 1" x 1/8" and is polished on one side per FTM 5304.
Customized test strips for modified versions of this test method are available on request.