The West P&I Club has recently encountered a cargo liquefaction case involving a cargo of ball clay that was loaded in Lumut, Malaysia for discharge in Chittagong, Bangladesh. A similar case was reported in 2013. Therefore the Club issues this warning and urges operators to pay special attention when loading a clay cargo.
According to the cub, laboratory testing of samples of the cargo drawn from the vessel showed a Flow Moisture Point (FMP) of 29.7% and Transportable Moisture Limit (TML) of 26.7%, when determined on the flow table, and an FMP of 32.1% and TML of 28.9% when determined by the penetration test. The lowest moisture content of the cargo onboard was notably higher than either TML, at 36.4%.
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