Ask X3What does 49 CFR 178.930 (Standards for fiberboard Large Packagings) require?
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Based on 49 CFR 178.930, fiberboard Large Packagings intended to contain solids (designated as 50G fiberboard) must meet the following practical construction and capacity standards:
* Materials and Water Resistance: They must be built from strong, solid or double-faced corrugated fiberboard (single or multiwall) that fits the intended capacity and use. The outer surface must resist water so that a 30-minute Cobb method water absorption test shows a mass increase of no more than 155 grams per square meter (0.0316 pounds per square foot).
* Bending and Assembly: The fiberboard must have proper bending qualities. It must be cut, creased (without cutting through the thickness), and slotted so it can be assembled without cracking, surface breaks, or undue bending. The fluting or corrugated fiberboard must be firmly glued to the facings.
* Puncture Resistance: All walls—including the top and bottom—must have a minimum puncture resistance of 15 Joules (11 foot-pounds of energy).
* Joints: Manufacturers' joints in the outer packaging must use an appropriate overlap and be taped, glued, metal-stapled, or fastened with an equally effective method. Glued or taped joints must use a water-resistant adhesive. Metal staples must pass completely through all fastened pieces and be formed or protected so they will not abrade or puncture any inner liner.
* Pallets: Any integral pallet base or detachable pallet must be suitable for mechanical handling when the Large Packaging is filled to its maximum permissible gross mass. They must be designed without protrusions that could damage the Large Packaging during handling. If a detachable pallet is used, the body must be securely attached to it for transport and handling stability, and the pallet's top surface must be free of damaging protrusions.
* Strengthening Devices: You may use external strengthening devices (such as timber supports) to improve stacking performance, but they must remain on the outside of the liner.
* Load Distribution: Load-bearing surfaces on Large Packagings meant for stacking must be designed to distribute the load stably.
* Capacity Limits: They must have a volumetric capacity between 450 L (119 gallons) and 3,000 L (793 gallons).