The UK P&I Club says that it has received a number of claims concerning damaged grain cargoes due to cargo sweat and provides the following advice and information on the benefits of ventilation. Cargo sweat can be caused primarily by either cargo heating up or from a vessel transiting from a warmer to cooler environment.
“If there is a temperature differential between the outside of the stow and the inside, moisture migration will result. Such moisture migration will also occur when one part of the bulk heats up for any particular reason, such as insect infestation, microbiological activity or proximity to a hot bulkhead. In all these circumstances, moisture will migrate from the warmer region to colder parts of the stow.” explains George Devereese of the Loss Prevention Department at UK P&I Club.
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