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TranSorb® Desiccants Keep Transient Cargo Dry

TrabSorb® helps reduce product claims for damages and provides brand insurance

A global economy has brought an expansion in trade and commercial activity over longer distribution chains and supply networks. It has also brought an uptick in the number of goods being transported over long distances.

With lengthy supply chains come the challenges of protecting cargo from damage over longer periods of time, across varying regions with varying conditions of temperature and humidity.

Because a significant portion of a product’s lifespan is spent in transport and storage, it’s critical to address root causes of product damage during this period.

Common in long-distance shipping and long-term storage are variations in temperature and humidity levels within transmodal shipping containers, or cargo containers.

Container Rain & Sweat are Responsible for Damage to a Variety of Products in Transit

Variations in temperature and humidity levels cause moisture to accumulate, a major threat to product quality which can lead to damage, malfunction and total loss. Moisture condenses on every surface within a trailer, railcar or shipboard container. This condensation affects both the products being transported and the packaging designed to protect them during transit.  When present, condensation resulting from humidity can:

  • Short circuits in electronics
  • Promote the growth of mold or mildew
  • Create corrosion and rust on metals
  • Spoil food items
  • Leads to peeling and warping
  • Deteriorates packaging
  • Clumps or cakes powders
  • Degrades chemicals

Since moisture itself is responsible for most forms of product and packaging degradation, it is essential to keep that moisture at moderate levels while product is being transported in shipping containers.

Container Sweat vs Container Rain


Lengthy periods of high relative humidity prompts the onset of moisture. This can cause “container rain”, a very common phenomenon in which accumulated condensation falls into goods within freight containers during transport by ocean truck, rail or air.  Container rain is responsible for damage to a wide variety of products. Metallic items such as canned food and steel machinery are subject to corrosion and rust. Mold, mildew and caking can form on dry goods such as bulk powders, spices, flour, coffee and pet foods. Finished products being shipped overseas in final consumer packaging are also subject to moisture damage that can prevent their final sale in the retail market.


Another cause for concern is “container sweat,” the formation of condensation on the surface of cargo containers. This phenomenon very commonly occurs before and after sea transportation when a container is exposed to daily temperature cycles from traveling over land or waiting on the dock. Container sweat also occurs as shipments move from tropical regions to cold or temperate areas. When temperatures decrease, the air holds much less moisture. As a result, that moisture is released and condenses onto cargo and interior surfaces of the container.

Desiccants Help Prevent Product Damage in Global Supply Chains

A viable option to mitigate moisture concerns is sorbent loading. Sorbents sense changes within the internal package or external environment and respond by actively adsorbing atmospheric moisture buildup and condensation due to temperature variation. Usually compounded into a granular composition, sorbents can easily be inserted into carrier formats such as bags, strips and net bags. They provide a safe, cost-effective solution for shippers and manufacturers transporting cargo over long distances.

By countering the threat of moisture accumulating-which can cause rusting, mold, odor, peeling of labels and wrinkled packaging among other types of damage-manufacturers effectively protect their products and ensure they are ready for the retail shelf. Use of sorbent technology or desiccants can also help reduce claims for damages against shippers and forwarders. By keeping products in optimal condition, sorbents provide brand insurance for both manufacturers and the brand owner.

Prevent Thousands of Dollars Worth of Damaged Cargo for a Few Dollars

TranSorb® Moisture Absorber StripsTo effectively protect products and packaging with sorbent technology, manufacturers and shippers must consider the conditions, the duration of the shipment and the value of the cargo. These factors help determine the appropriate type, amount and format of sorbent needed for each product type and package presentation.

Made in the USA!

Transorb® Humidity Absorbers Keep Sealed Areas Dry & Products Fresh

Easy, Effective and Affordable, TranSorb® is Scientifically Proven Reliable

Preserve, prolong and protect! Use Transorb®  Desiccants within freight or shipping containers and secondary packaging for the shipping and storing of clothing, spices, flour, coca, coffee, nuts, rice, grains, sugar, canned goods, fire arms, metal parts/cans, clothing, lumber, equipment, tools, steel pails and much more! Not to be confused with Silica Gel or Calcium Chloride type desiccants that potentially leach a water-based syrup, Transorb® Tyvek® Packs will always reamain dry.

Available in single bags or net strips - place or hang these non-leaching, high-performing non-toxic pouches throughout shipping containers,  sheds, freight carriers or place inside carton packaging. One 196 gram bag treats 36 cubic feet area (3’ x 4’ x 3’) and lasts over three months.  One master carton treats a 20 foot shipping container or trailer.

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