HH-B-100B (NOTICE-1), FEDERAL SPECIFICATION: BARRIER MATERIAL VAPOR (FOR PIPE, DUCT AND EQUIPMENT THERMAL, INSULATION) (10-SEP-1990) [S/S BY ASTM-C1136]
HH-B-100B (NOTICE-1), FEDERAL SPECIFICATION: BARRIER MATERIAL VAPOR (FOR PIPE, DUCT AND EQUIPMENT THERMAL, INSULATION) (10-SEP-1990) [S/S BY ASTM-C1136].