ASTM D1261 Copper Test Specimen

Copper corrosion test strip for ASTM D1261 (Effect of Grease on Copper). The copper strip is 5/16" x 1-3/4" x 1/8" (7.9mm x 44.5mm x 3.2mm). This test method has been withdrawn by ASTM, but is still referenced in some specifications, including MIL-L-46150, a military specification that covers a type of weapons lubricant. Customized test specimens are available on request.