MIL-B-16008C, MILITARY SPECIFICATION: BRICK, INSULATION, HIGH TEMPERATURE, FIRE CLAY (20-SEP-1965)

MIL-B-16008C, MILITARY SPECIFICATION: BRICK, INSULATION, HIGH TEMPERATURE, FIRE CLAY (20-SEP-1965)., This specification covers one type of thermal insulating brick for use as back-up insulation for refractory furnace linings of boiler furnaces.