Royal Purple Ltd. manufactures Air Hammer Oil, a parasynthetic oil designed to increase the life of air hammers and rock drills. It is non-corrosive to ferrous and non-ferrous metals, including case-hardened metals. This oil displaces water, and is suitable in protecting equipment in wet environments; it also fortifies against heat. Air Hammer Oil components are on the Toxic Substances Control Act's approved list and comply with OSHA and EPA guidelines. The product is compatible with all mineral and most synthetic industrial oils, and comes in 5-gallon pails and 55-gallon drums.

Royal Purple Ltd., Card No. 107