HH-B-100B, FEDERAL SPECIFICATION: BARRIER MATERIAL VAPOR (FOR PIPE, DUCT AND EQUIPMENT THERMAL, INSULATION) (28-SEP-1973) [S/S BY ASTM-C1136]

HH-B-100B, FEDERAL SPECIFICATION: BARRIER MATERIAL VAPOR (FOR PIPE, DUCT AND EQUIPMENT THERMAL, INSULATION) (28-SEP-1973) [S/S BY ASTM-C1136]., This specification covers vapor barriers (jackets and facings) applied over thermal insulation for pipes, ducts, and equipment facings) applied over thermal insulation for pipes, ducts, and equipment.