ASTM D-130. MGM Model 9A. For detection of the copper corrosiveness of aviation gasoline, automotive gasoline, farm tractor fuel, cleaners such as Stoddard solvent, diesel fuel, fuel oil, etc. The bomb is made of highly polished stainless steel, with O-ring seal for hand tightening. Each bomb is subjected to a hydrostatic test of 500 lbs. Do not use Thread Compound. Do not use this bomb for testing Liquefied Petroleum Gases (see P2840).