Storage Container Damp Protection | Moisture Trap

Cargo Sweat & Container Rain Damp Protection for Storage Containers

Using a storage container for container storage is becoming increasingly popular as a cost effective way for storing large quantities of goods and possessions. However, despite many companies’ best efforts to ensure your possessions are protected in their storage containers, unfortunately they’re not always able to completely mitigate all problems, especially damp caused by condensation, commonly known as cargo sweat or container rain, as a consequence of weather conditions that they simply cannot control.

This is due to the very nature of steel storage containers themselves, as damp and moisture can occur when exposed to varying weather conditions, causing mould, rust and potentially a great deal of damage to any possessions inside when the moisture condenses resulting in cargo sweat or container rain.

Container rain and cargo sweat can occur when steel storage containers are exposed to extreme high and low temperatures, which then results in moisture condensation. The condensation droplets, commonly known as container rain, collect on the container walls and ceiling, then drop onto the contents of the storage containers, making them damp, which can cause them to go rusty or mouldy.

If your storage container suffers from damp, and your contents become affected by container rain or cargo sweat, stop it now by simply placing our 100% anhydrous calcium chloride desiccant based Aquadry Pole into the furrows of the steel container to absorb the moisture in the air immediately. The moisture will be collected in our completely sealed Aquadry Pole unit. Our anhydrous desiccant will prevent condensation from forming on your container contents or on the roof of the container, absorbing the moisture in the air, and collecting the water in the pole ensuring that the contents of your storage container remain dry.

You may find that your container storage hire company already stocks our Aquadry Pole – ask them about our product now – we’re sure that they will be able to advise you and answer any questions you may have.

Alternatively phone 0800 999 4474 for further information or technical support directly from ourselves.

Desiccant for Storage Container Rain & Cargo Sweat Protection

The Aquadry pole was designed and developed for three distinct markets; international steel container transport, enclosed spaces e.g. cellars, caravans, boats sheds, and static storage. Although the dynamics of these markets are different the technical aspects are very similar in that the basic criterion is to reduce the relative humidity in an enclosed space to a level below 40%. This is to protect the contents from both direct moisture damage and bacterial mould.

It is widely accepted that if the relative humidity is reduced below 40%, moisture damage is negated and mould growth is not sustainable. Above 50%, direct moisture damage in the shipping container from cargo sweat is significant as a result from the formation of condensation on the walls and ceiling of the container.

The Aquadry Pole is a desiccant based product, which is technically innovative and provides operational benefits. To appreciate the qualities of the Aquadry Pole, the mechanism and chemical nature of the anhydrous calcium chloride desiccant must be recognised.

The basic desiccant is anhydrous calcium chloride which is initially held in the top part of the pole behind the white laminate which allow moisture molecules to pass through and be captured by the desiccant. Calcium Chloride is a very powerful absorber of moisture to such an extent that every CaCl₂ molecule wants to absorb six water molecules. On achieving this it turns into a liquid which surprisingly will continue to absorb even more moisture until it is fully saturated, depending on the surrounding atmospheric conditions the original CaCl₂ can absorb more than 200% of its starting weight. The top part of the pole can hold over 500g of liquid before any liquid becomes visible in the bottom section. Once the liquid starts to appear then the process will continue. In an operational environment when the pole has been absorbing for a few weeks the Aquadry Pole will be noticeably heavier. This demonstates it is working. Liquid will slowly appear in the bottom chamber and will gradually rise up the chamber until the desiccant CaCl₂ is fully used.

If you require any further information or technical support please phone 0800 999 4474 or contact us below on enquiries@aquadryuk.com

Cargo Sweat & Container Rain Damp Protection for Storage Containers

Desiccant for Storage Container Rain & Cargo Sweat Protection

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