MIL-I-85491, MILITARY SPECIFICATION: INSULATION MATERIAL, POLYISOPRENE (06-OCT-1981)
MIL-I-85491, MILITARY SPECIFICATION: INSULATION MATERIAL, POLYISOPRENE (06-OCT-1981)., This specification establishes the requirements for three types of non-asbestos-containing polyisoprene insulation material in the uncured calendered state (see 6.3.1).