InterDry Power Desiccant – Weight gain by absorption

We have been testing and tweaking our products for many years. I would like to have a look at one of those tests that we participated in together with 4 of our main competitors.

Below is the result of a test where the weight gain by absorption was calculated by a temperature of 38 degrees Celcius, 90% Relative Humidity, during a period of one month. Calculations were made by re-calibrating the initial weight to 1000 grams uniformly amongst all different brands of desiccant so that direct comparison was possible.

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All products showed initially a very high absorption in the first 7 days. Our competitors dropped out very quickly as you can see. Other Brand 2 started losing its absorption power after 5 days and even started leaking after 7 days. Other Brand 3 and Other Brand 6 started leaking on day 11.

Can you imagine what happens to your cargo if in the first week there is no protection from humidity inside your container?

InterDry Power Desiccant 1000 grams went on to absorb moisture resulting in a final weight of approximately 2800 grams.


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InterDry Thailand introduces: Ecopack Clay Desiccant

ecopack 247x300 InterDry Thailand introduces: Ecopack Clay Desiccant

Ecopack Clay Desiccant

 

We are very excited to announce our new product: “Ecopack Clay Desiccant”. Ecopack consists of highly absorbent natural claymixed with CaCl2 (Calcium Chloride).

Ecopack is typically used for the protection of goods in containers over long distances and through various climate zones. Ecopack is ideal for goods shipped in jute bags, cardboard cartons, wooden cases or crates or unpacked goods.

Ecopack can absorb over 70% of its own weight and provide moisture protection for over 45 days.

It is very safe in use especially at saturation as the beads remain hard and maintain moisture. Ecopack does not leak.

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Ecopack vs. competition:

Ecopack activated clay desiccant is the perfect material to replace silica gel.

Its price is competitive, it absorbs more than silica and it fulfils REACH regulation requirements  (DMF and Cobalt Chloride free).
Unlike silica gel, Ecopack is environment friendly, non toxic and can be disposed of as normal waste.
For those clients requesting a high quality desiccant with superior absorption rate, slightly more expensive CaCl based desiccants are still the best choice.

Come and check it out at: http://www.interdrythailand.com/products/clay_desiccant.htm

 

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 InterDry Thailand introduces: Ecopack Clay Desiccant

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Moisture Damage can be Prevented

Sea Containers are an economical and safe way of shipping almost any kind of cargo. But putting a cargo into a closed strong box also entails a constant risk of moisture damage for every kind of cargo on every voyage.

  • Metals corrode, discolour and loose their shine
  • Cargo and packaging get mouldy, soft, crumbled and discoloured.
  • Bad smell
  • Physical damage from water, ice, things gluing together, caking etc

Such damage may result in substantial losses and costs. Yet obviously not every shipment suffers moisture damage, and most of those that do, suffer only limited damage. In fact, lots of moisture damage remains unrecognized, because it is considered “normal”. Very few shippers have a good system of feedback from the receivers of their goods. There may be lots of things they don’t know.

The pattern of moisture damage may seem random. The moisture processes are examples of strongly non-linear physics. That means that very small differences in the cargo and voyage conditions can have a huge effect of the outcome. That is why you may have 4 perfectly safe shipments and the 5th may be a disaster. This means that there is always a risk of moisture damage in the next shipment, even if the last one was ok.

Moisture Damage can be Prevented

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Water damage in a container

All containers contain moisture from the time of loading and in the cargo. No container is airtight. Moisture will move in and out of the container during the course of the voyage – “Container Breathing”.

The objective of a moisture protection program is to prevent the build up of moisture in the air to levels where it may cause damage. This is done by reducing the amount of the moisture entering the container and by using “Absorbers” to remove moisture from the air.

We like to present the Nordic Power Desiccant moisture protection program as a kind of checklist of things that should be arranged as well as possible. And it is to be noted that many of the items on the list can be influenced only to a degree. Yet even small changes can result in big improvements. In some cases a few tens of grams of water in the wrong place is enough to cause significant damage.

Storing pallets inside or outside is often enough to make the difference between no
damage and “disaster”. Simply adjusting the temperature of the cargo at loading can prevent damage. Thus it is well worth to make what improvements are at all practical, and the balance will then have to be taken up by the packaging and the absorbers.

Is the Container Tight?

A minimum requirement is of course that the container is watertight against rain and spray. That is usually the case, but especially the bottom side and the doors are vulnerable to damage that may not be noticed.

Check the seals. Certainly no container is airtight, but a container in good condition
allows air (and moisture) to move in and out of the container only slowly, over hours
perhaps. That significantly reduces the amount of moisture moving into the container under common circumstances. (Container Breathing)

Tape the vent holes if you are shipping a dry cargo. For a moist cargo, such as
agricultural commodities, it is usually better to leave the vent holes open.

Is the Container Dry?

A container that has been washed before loading, brought in from outside into a warm loading area or stored in a humid place, may contain lots of water. In particular, attention must be paid to the container floor. The humidity of the wood should not be above 18%.

All pallets and other wooden dunnage must be dry. Preferably the moisture content
should not above 18% and certainly not above 20%. It is easy to check the humidity with a small handheld device commonly used in the construction industry and costing a couple of hundred Euros.

For more information check us out at http://www.interdrythailand.com

 Moisture Damage can be Prevented

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