shipping knowlege

Guide to Containers: Types and Packing Tips

Common Types of Containers

  • Dry Container (DC or GP): The most common container used for general cargo that is suitable for container shipping. Excludes goods like refrigerated items, live animals, and plants.
  • Dry Cargo Container
  • Reefer Container (RF or HR for High Cube): Designed for goods that require temperature control, such as perishable items or goods needing a constant temperature.
  • Refrigerated Container
  • Open Top Container (OT): Suitable for oversized goods like machinery, allowing loading from the top. Equipped with a PVC waterproof cover and a detachable frame for easy handling.
  • Open Top Container
  • Flat Rack (FR): Specialized for heavy goods loaded from the top or sides, like pipes and heavy machinery.
  • Flat rack container
  • Hanger Container (HT): Ideal for transporting garments, offering flexibility for hanging clothes with ropes or rods, saving on transportation and handling costs.
  • Hanger Container
  • Tanker Container: Consists of a liquid tank within a frame, used for transporting liquids such as alcohol, oil, liquid food products, and chemicals.
  • Tanker Container

Container Packing Tips

  1. Volume Utilization: The internal volume of a container varies slightly based on its construction and materials. Generally, about 85% of the theoretical volume is effectively utilized. For example:
    • A 20-foot container typically can accommodate 28 cubic meters of cargo.
    • A 40-foot container can accommodate about 54 cubic meters.
    • A 40-foot high cube can accommodate about 68 cubic meters.
    • A 45-foot high cube can accommodate about 76 cubic meters.
  2. Weight Limitations: Every container displays its tare weight and maximum load on its door. However, actual cargo weight is often limited by shipping lines or terminal restrictions. For heavy cargo, always confirm weight limits with the shipping company to avoid overweight fees.
  3. Flat Rack Containers: Used for oversized or heavy cargo. These do not have fixed volume or weight limits. Ensure accurate dimensions and weight of the cargo are provided to confirm feasibility with the shipping line.
  4. Open Top Containers: Designed for tall cargo, allowing loading from the top with a crane. They can also be used for other cargo types for ease of loading.
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