MIL-R-21931A, MILITARY SPECIFICATION: RESIN, EPOXY (05-JAN-1977) [NO S/S DOCUMENT]
MIL-R-21931A, MILITARY SPECIFICATION: RESIN, EPOXY (05-JAN-1977) [NO S/S DOCUMENT]., This specification covers one type of thermosetting epoxy resin compound used in ordnance applications.