12.8.7-QUALITY CONTROL ISSUES-OTA - BULK COFFEE IN CONTAINERS
OTA - bulk coffee in containers
Recent years have seen a substantial increase in the movement of coffee in bulk, using normal dry containers fitted with a liner. One advantage is the savings for shippers on the cost of bags (and no need to dispose of them at the receiving end), of course minus the cost of the liner. But there are other, not always immediately apparent advantages.
Coffee shipped in bulk, using normal dry containers fitted with a liner, always arrives in a better condition than coffee in bags when shipped under similar conditions. Shipping in bulk avoids most of the problems associated with bagged cargo: no baggy smells, no weight losses due to handling, generally better preservation of quality.
Air caught inside the closed liner is called interstitial air. Interstitial air in a bulk load hardly moves since the individual beans are obstructing the free flow of air, and so the hot air cannot easily move to the edge. As a result there is less transport of moisture to the roof and walls and the risk of condensation is thereby reduced.
Provided correct liners and procedures are used, and the coffee is shipped at the
correct moisture content
, then the incidence of claims on bulk cargo is vastly reduced compared to bagged cargo, according to some by as much as two-thirds.
The general principles for choosing a container are the same as when shipping bagged coffee. See 12.08.06.
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