Container-level moisture systems that stop cargo claims on long ocean routes.
The context
Container rain is not an edge case, it is physics. A steel box crossing climate zones cools at night, the moisture in the air and in the cargo condenses on the ceiling, and it drips back onto the load. Every cargo claim for water damage on a dry container traces back to that cycle.
Dose the container, not just the cartons. Absorpoles hang in the side-panel recess and use space cargo cannot; container bags and adhesive cargo bags cover loads where hanging is impractical. Dosage is set by route length, climate zones crossed and cargo moisture content.
Moisture risks
Each of these has its own threshold and its own failure signature. Knowing which one you are fighting is what sets the target humidity.
Container rain
Condensation forms on the container roof overnight and falls onto the cargo.
Cargo sweat
Moisture already inside hygroscopic cargo condenses onto the goods themselves.
Carton collapse and stack failure
Damp corrugated loses compression strength and stacks fail in transit.
Label and print damage
Lifted labels and smeared print cause rejection at destination even with sound goods.
Claim and reputation cost
A water-damaged container costs the claim, the replacement and the customer relationship.
Recommended products
Calcium chloride hanging pole
Vertical calcium chloride poles that hang in the corrugated recess of a container side panel and collect brine in a sealed chamber.
Four to eight poles protect a full 20 ft container
Dual-layer container desiccant
Leak-proof dual-layer Tyvek and non-woven bags that hold a sea container dry across a full long-haul voyage.
Over 200% absorption capacity, protecting for more than 90 days
Calcium chloride & bentonite clay
High-profile food-grade desiccant in DuPont Tyvek, blending bentonite clay with calcium chloride.
Stops container rain, dewdrops and transit odour
Adhesive-mounted cargo bags
1 kg units supplied as 200 g × 5 strips with an adhesive sticker for direct mounting.
Sticks in place — no hooks, no hanging points needed
Large-format desiccant bags
Heavy bags from 200 g to 5 kg for corrugated cases, engineering crates and shipping containers.
Absorbs 35–40% of its own weight, with an optional hanging hook
Calcium chloride hanging unit
Our own calcium chloride moisture absorber in a hanging format, available from just 25 pieces.
Low minimum order for trial shipments
Compliance & documentation
ISPM-15, IATA and ISO compliant packaging for global shipments. Tell us the route and we will calculate the dose.
Talk to our experts
Send us the product, the enclosure, the route and the storage period. You will get a desiccant type, a dose and a format back — not just a price list.