Military Specification Grain, Abrasive, Soft for Carbon Removal

Author:  U. S. Specification
Source:  MIL-G-5634C plus AMENDMENT 2 and 3
Doc ID:  1970018
Year of Publication:  1970
Abstract:  
This specification covers soft abrasive grains to be used as abrasive blasting material for the removal of carbon from metal surfaces, and cleaning of operating jet engines.