SPECIFICATIONS FOR FIBREBOARD BOXES Liquids in Metal Cans or Rigid Plastic Inner Containers Each Exceeding 2 1/2 gallons in Fibreboard Boxes (Applicable only in connection with Items 222 and 222-1)
    Liquids in metal or high density polyethylene inner containers each exceeding 2 1/2 gallons capacity may only be shipped in fibreboard boxes meeting the following requirements:
       (a) Boxes must have inner and outer flaps meeting, or outer flaps meeting and gaps between inner top and bottom flaps filled with fibreboard pads.
       (b) (1) For rectangular or square containers-box must meet all requirements for boxes testing not less than 200 pounds or having an edge crush test of 32 pounds.
          (2) For cylindrical containers-box must meet all requirements for boxes testing not less than 275 pounds or having an edge crush test of 44 pounds.
       (c) When two or more inner containers are packed in one box, the containers must be separated by partitions of:
          (1) Doublewall corrugated fibreboard, or
          (2) Two thicknesses of singlewall corrugated fibreboard.
       (d) Where inner containers have extended spouts, suitable protection to prevent damage to spouts must be provided.
       (e) Total capacity of containers in one box must not exceed nine gallons.
       (f) Box may have die-cut hole in top flaps over closure cap and may be perforated along score lines around such die-cut hole and into flaps to permit easy opening.