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Intermediate Bulk Container. Commonly called container barrels, also known as the compound medium bulk containers. The specifications are 820L, 1000L and 1250L, commonly known as a ton packaging plastic container. The cask of IBC can be reused many times, and the advantages of filling, storing and transporting can significantly reduce the cost. Compared with barrel, IBC can save 35% storage space. Its dimensions are in accordance with ISO standards and are easy to operate as a principle, static empty drums can be stacked up to four levels and transported in any conventional way.