What is a ISO tank container?

An ISO tank container is a specialized intermodal container designed for the safe, efficient, and standardized transportation of bulk liquids, gases, and powders. Built according to the specifications set by the International Organization for Standardization (ISO), these containers are integral to global logistics, ensuring seamless compatibility across various modes of transport, including road, rail, and sea.

Understanding the ISO Tank Container

An ISO tank container comprises a cylindrical stainless steel pressure vessel encased within a protective steel framework. This design ensures durability and safety during transit. The standard dimensions for these containers are typically 20 feet in length, 8 feet in width, and 8.5 feet in height, aligning with international shipping standards .

Key Features and Specifications

• Capacity: ISO tank containers generally have capacities ranging from 14,000 to 26,000 liters, accommodating various types of cargo .

• Materials: Constructed from high-grade stainless steel, these containers are resistant to corrosion and suitable for transporting both hazardous and non-hazardous materials.

• Safety Features: Equipped with pressure relief valves, manholes, and bottom discharge valves to ensure safe loading and unloading processes.

• Temperature Control: Some ISO tanks are designed with insulation and heating systems to maintain the required temperature for specific cargoes.

Types of ISO Tank Containers

ISO tank containers are categorized based on their design and the nature of the cargo they carry:

• T11 Tanks: Standard tanks used for transporting hazardous and non-hazardous liquids.

• T14 Tanks: Designed for more hazardous chemicals requiring higher safety standards.

• T75 Tanks: Cryogenic tanks used for transporting liquefied gases at extremely low temperatures.

• Swap Body Tanks: Larger tanks, typically 23 to 25 feet long, used primarily in Europe for rail transport.

Advantages of Using ISO Tank Containers

• Efficiency: Allows for the transportation of large volumes of liquids in a single container, reducing handling and packaging costs.

• Safety: Built to stringent international standards, ensuring the safe transport of hazardous materials.

• Intermodal Compatibility: Designed for seamless transfer between different modes of transport without the need to unload and reload the cargo.

• Environmental Benefits: Reusable and durable, ISO tanks reduce the reliance on single-use packaging, minimizing environmental impact.

Market Trends and Growth

The global ISO tank container market has been experiencing significant growth. In 2025, the market size is projected to reach approximately USD 2.03 billion, with expectations to grow to around USD 4.57 billion by 2034, reflecting a Compound Annual Growth Rate (CAGR) of 9.23% during the forecast period . This growth is driven by the increasing demand for safe and efficient transportation of bulk liquids, especially in the chemical, food and beverage, and energy sectors.

Applications Across Industries

• Chemical Industry: Transporting acids, solvents, and other hazardous chemicals.

• Food and Beverage: Carrying edible oils, juices, and other liquid food products.

• Pharmaceuticals: Ensuring the safe transport of sensitive liquid medicines.

• Energy Sector: Moving liquefied gases and other energy-related liquids.

Conclusion

The ISO tank container stands as a testament to innovation in the logistics and transportation industry. Its standardized design, coupled with safety and efficiency features, makes it an indispensable asset for businesses dealing with bulk liquid transportation. As global trade continues to expand, the role of ISO tank containers will undoubtedly become even more pivotal in ensuring the smooth and safe movement of goods across borders.