... domestic road, rail, sea and air transport. Economical: design for container transport, particularly for all kinds of containers. For example, to ... load one 20 feet container, using IBCs loads 4 tons more than using barrels. ... and no leakage.*Gas-tight experiment: 20Kpam air pressure for 20 minutes, no breakage and no leakage.*Hydraulic experiment: 100Kpa water ...