Size and classification of Container
1/History of container creation
With the current global development, the demand for goods transportation is extremely large, especially up to 90% of the world's commercial goods transported by containers. Despite its fairly simple construction, containers also have to go through a long process of development to get the complete level as they are now.
Around the 19th century, containers have appeared but only in the wooden crates form for transporting goods. Until 1937, an American truck driver named Malcom McLean came up with the idea of creating a usable container through various means. Thanks to this, the first container was officially used. At first this idea was not widely accepted and also encountered mixed opinions. However, it can be seen that so far with the rapid development of the mode of transporting goods by containers, this is a turning point in transportation, bringing the convenient in the multi-transportation section.
2/Container Classification
There are many ways to classify containers
According to size, containers will be devided: 20 feet , 40 feet and 45'
According to material, we have: steel, aluminum or plastic containers
By the use, we will have some typical types:
General purpose container
This is the most popular container in freight forwarding, since this type of container is also for dry goods transport, so it is also called dry container.
Dry Bulk/Bulker freight container
Due to the nature of bulk cargo, this type of container allows loading by pouring from above and unloading from the bottom or the side.
Thermal insulated/Heated/Refrigerated/Reefer container
Reefer containers are designed for cold storage, so the required goods will be controlled for proper temperature and humidity. The inner layer of the container is made of stainless steel to withstand the extreme temperatures required.
required.
Cattle Container
As a special container that transports live animals, there will be a fixed frame for animals. Due to its special nature, this type of container will not be able to be converted into a general purpose container.
Conclusion
In reality, we just only use size to classify containers. The standard of 20 feet containers is 1 TEU, 40 feet container is 2 TEU. Sizes and weights of containers are in compliance with ISO standards.
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