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Two major damages always occur :-
| Damages to goods due to excessive moisture within container as a result of condensation . | |
| Damages to goods & carton boxes due to movements as result of acceleration & deceleration. |
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Condensation is the result of excessive humidity in the air. If the humidity level goes beyond the amount that the air is able to hold at a particular temperature , the relative humidity (RH) has reached 100 % and the moisture condenses.
Condensation cannot occur if the RH is less than 100 % . In a container the humidity condenses mostly on the ceiling , in the form of water drops , which fall on the cargo as container ran and cause moisture damages.
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Container cargo can be subjected to significant temperature variations when stored on deck in the sun , while in storage awaiting transshipment, or on crossing the equator.
As the temperature in the container rises the enclosed air absorbs more moisture. These are many sources of moisture available in a container - the wooden floor & pallets, packaging material & even the cargo itself.
Conversely , when there is a drop in temperature , the air is not able to hold this extra moisture. This is then released as droplets of water in the form of condensation . The temperature at which this condensation takes place is called the DEW POINT .
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Common damages include corrosion , rust , fungus, mould formation, caking of powders, delamination - damage to labels & packaging .
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Use Desiccant
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Since it is made of special clay , environmental friendly and can absorb moisture up to 50 % of its dry weight.
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After the container doors have been closed , Protecpac Desiccant controls humidity inside the container through continuously adsorbing the moisture from the enclosed air. Our desiccant is designed to hold the moisture and not release it back into the container's climate.
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