Moisture Control for Shipping Containers
During ocean transportation, moisture inside a container can condense on the roof and side walls as temperatures change throughout the journey.
Water droplets may fall onto cartons, pallets, machinery, furniture, paper products, and other cargo. This is commonly known as Container Rain.
Container desiccants are used to absorb excess moisture inside shipping containers and help reduce condensation during transit.
What Causes Container Rain?
Moisture inside a container may come from:
- Cargo itself
- Wooden pallets
- Cartons and packaging materials
- Humid loading environments
- Temperature changes during transportation
As temperatures fluctuate, moisture in the air condenses on the container ceiling and walls, creating water droplets that can affect cargo and packaging.
Common Cargo Applications
Furniture & Wood Products
Wood products naturally absorb and release moisture. Condensation can affect both product appearance and packaging condition during long-distance shipments.
Machinery & Metal Products
Excess moisture may lead to corrosion on metal surfaces during transportation and storage.
Paper & Packaging Materials
Cartons and paper products can soften or lose strength when exposed to high humidity.
Textile Products
Garments, fabrics, and other textile products are often shipped with moisture protection.
Food & Agricultural Products
Many agricultural products and packaged foods require humidity control during transportation.
Available Desiccant Types
Calcium Chloride Desiccants
A common choice for export containers and ocean freight shipments.
Suitable for:
- Long transit routes
- High-humidity destinations
- International container shipping
Mineral Desiccants
Suitable for general transportation and storage applications.
Commonly used for:
- Warehousing
- Domestic transportation
- Shorter transit periods
Available Formats
Hanging Type
Designed to be suspended from container lashing rings or side walls.
Suitable for most export container shipments.
Top-Load Type
Placed directly on top of cargo.
Often used when containers are tightly packed and wall space is limited.
Typical Product Weights
Common specifications include:
- 1 kg Hanging Desiccant
- 4 kg Hanging Desiccant
- 2 kg Hanging Desiccant
Custom specifications are available upon request.
Container Protection Solutions
Different risks inside a shipping container require different protection methods.
| Risk | Recommended Solution |
| Cargo Movement | Container Lashing Systems |
| Void Spaces Between Cargo | Dunnage Air Bags |
| Moisture & Condensation | Container Desiccants |
These products are frequently used together in export shipments to address multiple transportation risks.
Compliance & Customization
Available with:
- Custom Packaging
- Private Label Programs
- Customized Printing
- REACH & RoHS Compliant Options (Upon Request)
Need Help Selecting the Right Container Desiccant?
Please provide:
✔ Cargo Type
✔ Container Size
✔ Destination Country
✔ Estimated Transit Time
✔ Quantity Requirements
Our team will recommend a suitable desiccant solution and provide a quotation within 24 hours.
