MIL-P-12420C, MILITARY SPECIFICATION: PLASTIC MATERIAL, CELLULAR, ELASTOMERIC (21-DEC-1973) [NO S/S DOCUMENT]
MIL-P-12420C, MILITARY SPECIFICATION: PLASTIC MATERIAL, CELLULAR, ELASTOMERIC (21-DEC-1973) [NO S/S DOCUMENT]., This specification covers expanded unicellular plastic in sheet form.