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Maritime transport: Practical guide to shipment of goods

Maritime transport is the backbone of international trade. In fact, in Spain it accounts for around 80% of imports and approximately 50% of exports.

Complying with the specifications of maritime shipments is crucial to ensure that our merchandise arrives at its destination in a timely manner. Therefore, if your company is involved in exporting or is considering doing so, it is important to understand the factors that affect ocean shipments and what types of packaging are most suitable for this type of transport.

 

Factors that condition maritime transport

One of the advantages of maritime transport is its versatility, since it adapts to any type of cargo. However, there are issues that must be taken into account when preparing our shipments:

Maritime transport Practical guide to shipment of goods

Type of container:

Most of the international transport of dry goods travels by container. Depending on the cargo, a type of container will be chosen and also whether it will occupy a full container (Full Container Load or FCL) or share space with goods from other exporters (Less Than Container or LCL).

Sudden abrupt movement:

Containers may experience sudden movements during handling and due to sea conditions, which may affect the stability of the cargo.

Temperature:

Temperature changes may occur during voyages, affecting the cargo.

Humidity and salinity:

Sea salt and humidity can cause the cargo to rust.

How to protect the goods for maritime transport?

Considering the peculiarities of maritime transport, it is time to analyze which packaging will help us to avoid damage or loss, and ensure a correct transport of the cargo from its origin to its destination.

 

  1. Fastening systems

For sensitive cargo, such as electronic equipment or chemical products, it is important to use securing systems to immobilize and secure the cargo inside the container.

In this regard, airbags are one of the most effective devices. These airbags are placed between the packages and prevent their movement. They are reusable and adapt to the irregularities of the cargo.

Maritime transport Practical guide to shipment of goods. Airbags
Maritime transport Practical guide to shipment of goods
Maritime transport Practical guide to shipment of goods

2. Insulating systems

For goods sensitive to humidity and salinity, such as metal parts without surface treatment or electrical equipment, insulating systems can be used to keep the atmosphere as neutral as possible during transport.

Among the isothermal insulating systems, heat-sealable bags stand out. They are a product widely used in packaging to prevent corrosion, especially in the case of metal and electronic devices. As a complement, dehydration systems such as desiccant salts are used to absorb moisture from the internal air volume. Moisture detectors will indicate whether the desiccant salts have reached their absorption capacity limit.

Maritime transport Practical guide to shipment of goods

We also manufacture customized heat sealable bags; you can see the video here:

 

Shrink-wrapped plastic is used for large-volume cargo or machinery. This type of plastic creates a protective film against adverse weather conditions (UV rays, rain, wind).

Maritime transport Practical guide to shipment of goods

3. Phytosanitary certification and sealing ISPM-15

In international transport, all packaging with wood as raw material must bear the corresponding marking, complying with the International Standard on Phytosanitary Measures ISPM-15. This regulation serves to prevent the spread of pests.

However, the certificate will depend on the geographical location to which the cargo is destined and whether it is required by the plant protection agency of the destination country. For example, for exports to European Union countries the standard is not mandatory, but in certain cases they may request the ISPM-15 marking.

Among wooden packaging, a very widespread solution for maritime shipments is the Clipping Crate ®. This is a reusable, economical, resistant box with an innovative design. It is equipped with a closing system using galvanized zinc clips or staples, which provide strength and flexibility. In this way, the box can be assembled and disassembled by a single person without the use of tools. A very useful system that facilitates customs inspection.

Maritime transport Practical guide to shipment of goods

If you have any questions about packaging and maritime transport of goods, do not hesitate to contact us.

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Securing loads with Airbags

When determining the right packaging, many aspects must be taken into account. One of them is the fixation and adjustment of loads. For this purpose, multiple systems and pneumatic elements are used to ensure that our shipment arrives in optimal conditions.

One of the most commonly used are dunnage bags or airbags for packaging.

Securing loads with Airbags

What are packaging airbags?

Packaging airbags, dunnage bags or inflatable bags are used to protect goods during transport. Their function is to fill the empty spaces between the cargo or between the cargo and the walls of the transport unit, keeping it immobile in order to reduce the possibility of damage during transport.

These bags are very easy to use. They are filled with air through a valve to the required pressure. Airbags are available in different sizes, depending on the use and load.

Securing loads with Airbags

Which airbag do I need to protect my cargo?

Airbags can be used in land, sea or rail transport. To know what type of airbag we will need, the first thing we must know is the volume and weight of the cargo to be transported (to define the working pressure of the airbag), as well as the operating time of this airbag. Once these parameters have been set, we will check the manufacturer’s technical data sheet to see if it adapts to our needs.

Most manufacturers comply with the AAR Bulletin No. 9 (Association of American Railroads), the most widespread international standard, which classifies these pneumatic elements into 5 levels, according to the type of transport and the operating pressure.

Securing loads with Airbags

As shown in the table, the different types of transport are classified according to the working pressure. This is because this standard contemplates pressure tests after 19 days, allowing a load loss of no more than 1psi. In other words, for long transports we must generally use level 2 airbags or higher (more working pressure).

Once we have defined the type of air bag we need, we will have to design a system of loads as homogeneous as possible, using these elements to adjust the loads.

To do this, we can take into account the guidelines of the CTU 2014 code, which, among other issues, details the different misuses that can occur when applying this system.

Securing loads with Airbags

Types of airbags and characteristics

They can be made of different materials, depending on their resistance to external agents in case of possible rupture.

There are basically two types, depending on the material they are made of:

  • Raffia:

These are bags or sacks consisting of an inner layer of polyethylene and a top layer of raffia, a type of elastic fabric widely used for packaging due to its resistance.

  • Kraft paper:

They have an inner layer of polyethylene and a top layer of Kraft paper reinforced with polypropylene to prevent tearing.

In both cases, they are durable, reusable and waterproof, providing an efficient solution to protect cargo during transportation.

 

If you need advice, consult a reliable supplier to help you choose the best option.

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