Bulk Liquid Containers: A Complete Guide

 

The bags feature a seal-tight design, eliminating contamination risks and providing an airtight solution.

Their flexibility not only makes them suitable for a wide range of substances but also offers a space-saving advantage, making them ideal for optimizing storage.

Flexible IBC size/capacity:

IBC size	Capacity
Standard	1000 L (265 US gal)
Range	416-2028 L (110-536 US gal)

Please note that the measurements are rounded for simplicity and may vary depending on the manufacturer.

Flexible IBC capacity is typically 1000 liters (265 US gal), with a range of 416 - 2028 liters (238 – 265 US gal). The Fluid-Bag liquid bulk containers are available in sizes of 900 or 1000 liters.

The weight of an empty flexible IBC unit (Fluid-Bag) is in general 36,0 kg (79 lbs), with the pallet included.

 

Drums and Barrels:

Drums and barrels find their niche in transporting specialty liquids or handling smaller batches.

The open head steel drums feature a removable lid or cover. The removable cover can be sealed with a closing ring to secure the product inside the drum.

The closed head steel drums feature a tight head with no removable lid. The top and bottom are permanently attached to the drum.

However, it's important to note that when dealing with viscous liquids, such as silicone sealants and greases, a lot of residues might be left behind in steel drums when emptying them.

The outside dimensions of a steel drum are typically 23" (584 mm) diameter and 34.5" (876 mm) height.

The weight of an empty steel drum is typical around 22 kg (48 lbs). A plastic barrel weighs 9,8 kg (21.5 lbs), and a 200-liter (55-gallon) fiber barrel weighs 7,25 liter (16 lbs).

Tank Containers:

Tank containers, often referred to as "tanktainers" or “ISO tanks”, are pivotal in the transportation of bulk liquids.

These containers are engineered with a stainless-steel vessel enclosed by layers of insulation, typically consisting of polyurethane and aluminum.

Another notable feature is their dual loading and unloading capability via top and bottom access points. Tank containers are equipped with top manholes and valves, along with bottom valves, facilitating the connection of hoses for loading and unloading, often requiring pumps.

Tank containers and ISO tanks strictly adhere to safety regulations, making them dependable for transporting a wide spectrum of liquids, including hazardous substances.

The dimensions of a tank container are, in accordance with ISO standards, typically measured about 6.00 meters (20 feet) in length, 2.40 meters (7.9 feet) in width, and either 2.40 meters (7.9 feet) or 2.55 meter (8.4 feet) in height.

Tank container capacity is often in a large range, accommodating liquids from 17,500 to 26,000 liters (4623-6868 gal).

Flexitanks:

Flexitanks provide a method of liquid transportation by repurposing standard shipping containers for bulk liquid cargo. One of these flexible bags, or bladders, fit within a 20' DV container, relying on the container's structure to contain the liquid cargo.

Installation of a flexitank typically takes 20-30 minutes, followed by filling, which requires an additional 30-40 minutes. Once filled, the container can be transported via road, rail, or sea to destinations worldwide.

Flexitanks are generally composed of a combination of films, which can include for example a 1 layer of HDPE film and 3 layers of standard LD polyethylene film, sealed multiple times for safety. They incorporate a solid PP woven fabric, a 3" bottom discharge system with camlock adapters, and an overpressure valve for added security.

Flexitanks can have dimensions of 4000 x 7240 mm (13.1 x 23.8 feet), capacity ranging from 23 520 to 24 480 liters (6.205 to 6.457 gallons), and can endure temperatures from -20°C to +60°C (-4°F to +140°F), monitored via temperature indicators.

Note though that there are many different flexitanks on the market and the specifications can differ.

While flexitanks can offer convenience and cost-effectiveness for non-hazardous liquids like wine and fruit juices, one should evaluate their suitability based on specific transportation needs, considering factors like safety, efficiency, and environmental impact.

Different Types of Liquids and Their Container Needs

Liquid logistics is not just about the containers; it's about matching the right container to the specific liquid, based on its characteristics.

Let us take a look at some different types of liquids to find their ideal match.

Hazardous Liquids:

Containers engineered for hazardous liquids stand as an embodiment of safety and compliance.

These containers conform rigorously to international regulations (UN classifications), enabling the secure transport of substances that encompass chemicals, flammables, and corrosives.

In short, the focus when choosing the right bulk packaging for hazardous liquids is on preventing spillage, leaks, and any potential harm to the environment or personnel.

Non-Hazardous Liquids:

For non-hazardous liquids, the emphasis is on preserving the quality and integrity of the liquid cargo.

Containers optimized for non-hazardous liquids—ranging from food products and beverages to pure water—ensure that the journey remains contamination-free, maintaining the product's intended state from origin to destination.

Viscous Liquids:

Liquid viscosity might pose challenges during transport.

Containers tailored for viscous liquids are designed to handle varying levels of viscosity, enabling optimal pump flow while minimizing wastage.

Whether it's a thick syrup, sealants or toothpaste, containers like Fluid-Bag FLEXI and Fluid-Bag MULTI ensure that the liquid cargo moves efficiently through the logistics chain.

Sensitive Liquids:

Certain liquids are delicate and require a specialized touch. That's where containers for sensitive liquids come into play.

These specialized vessels cater to liquids like pharmaceuticals and specific chemicals, maintaining the integrity of the cargo throughout the journey. Rigorous measures are often taken to prevent contamination, ensuring that these sensitive substances reach their destination unaltered.

All in all, it is important to keep the container airtight from filling to discharge when it comes to sensitive liquids.

 

What is a Flexible Intermediate Bulk Container?

Flexible Intermediate Bulk Container is an intermediate bulk container that is flexible instead of rigid. The flexible characteristic of the container means that it can change shape, and therefore it will take up little space when empty (before filling and after emptying).

Applications of Bulk Liquid Containers in Different Industries

Bulk liquid containers stand as central pillars of various industries, facilitating the efficient and reliable transport of diverse liquids.

Let's delve into the array of industries that heavily rely on containers, exploring examples that illustrate their significance.

Industries Embracing Bulk Liquid Containers

Chemical Industry: The chemical industry thrives on precise transportation of various chemicals, including adhesives, sealants, and coatings. Bulk liquid containers provide the stability and containment required to ensure safe transport, protecting both the cargo and the environment.

Manufacturing: Lubricants and grease, essential for machinery and vehicles, find their way into bulk liquid containers. The automotive and manufacturing sectors count on these containers to prevent spillage and contamination, ensuring the lubricants retain their quality during transit.

Pharmaceuticals and Healthcare: Sensitive pharmaceuticals and ointments require utmost care during transport to maintain their characteristics. Containers tailored for sensitive liquids offer airtight solutions, preserving the integrity of these substances and preventing contamination.

Food and Beverage Industry: From juice concentrate to dairy products and bakery fillings, the food and beverage industry relies on bulk liquid containers for the transport of various ingredients. These tanks not only safeguard the quality of the ingredients but also enable efficient distribution for the production process.

Printing and Packaging: Inks and colors utilized in printing and packaging are prime examples of liquids that require specialized handling. Containers suited for these products ensure the precise transport of these substances, preventing leakage and maintaining color consistency.

Examples of Applications

Adhesives & Sealants: The adhesive and sealant industry hinges on the precise application of these substances. The right bulk liquid containers ensure controlled transport, preventing premature curing and ensuring that these materials reach their destinations in optimal condition.

Coatings & Paints: The coating and paint industry benefits from containers that prevent contamination and maintain the homogeneity of the mixtures. Modern containers ensure that these liquids are delivered in the right consistency for flawless application.

Lubricants & Greases: In various sectors, lubricants and greases are the lifeblood of machinery. Here, containers provide a spill-proof and contamination-free means of transporting these essential substances, assuring smooth operation. This is especially important for food-graded lubricants.

Pharmaceuticals & Cosmetics: Sensitive pharmaceuticals and ointments need containers that preserve their integrity. Tanks and flexible IBCs equipped with airtight features offer the protection needed to ensure the potency of these substances remains intact.

Food Ingredients: The food industry relies on the precise transport of various ingredients. Food-graded containers secure the quality of these components, ensuring that the end products meet the desired standards.
In conclusion, the applications of bulk liquid containers span a wide array of industries, each with its unique requirements.

Choosing the Right Bulk Container for Liquid Shipping

The decision of what type of container that should be used hinges on various factors.

In the following section, we dive into some of the most considerations and best practices of selecting the ideal container for liquid shipping and storage.

Factors Influencing Container Selection

Let's explore the most crucial factors in detail.

1. Liquid Characteristics

The liquid itself play a vital role in determining the suitable container. Variables such as viscosity, hazard level, and sensitivity define the selection process.

The chosen container must flawlessly align with the specific attributes of the liquid being transported.

2. Regulations and Compliance

Safety and adherence to global regulations stand as non-negotiable elements. Containers must conform to international standards, especially when transporting hazardous substances.

Ensuring compliance with stringent rules ensures both the safety of the cargo and the adherence to legal mandates.

3. Cost-Effectiveness

Container selection should encompass not only the initial cost of procurement but also the entire logistical lifecycle. This involves factoring in costs related to transportation, storage space utilization, cleaning, and maintenance.

A comprehensive cost assessment ensures that the chosen container is not only fit for purpose but also economically viable.

4. Storage Space

The chosen container should fit seamlessly into available storage areas, whether during transportation or at various points along the supply chain.

Efficient stacking, compactness, and adaptability to different storage environments contribute to the overall effectiveness of the container.

More on this topic: Get More Storage Space with Fluid-Bag

5. Cleaning and Maintenance

Some containers require thorough cleaning and maintenance between uses, which can impact downtime and costs.

The extent of cleaning and maintenance must align with operational goals and the nature of the liquid cargo, whether it's hazardous, sensitive, or non-hazardous.

Which is the Best Bulk Packaging for Liquids?

The best bulk containers for liquids are Fluid-Bag flexible IBC containers (1000 liter / 265 US gal.).

...at least if you ask us!

Addressing Space Challenges: The dilemma of IBCs, steel drums, and barrels occupying considerable space even when empty can be mitigated. Unlike their rigid counterparts, flexible IBCs from Fluid-Bag efficiently utilize space. A mere 2.5 square meters can house 20,000 liters' worth of Fluid-Bag containers, an exemplar of space optimization.

The Significance of Size: Size can matter in liquid logistics. Consider this: 4-5 drums are equivalent to a single Fluid-Bag container. The implications are clear; Fluid-Bag's 1000-liter flexible IBC streamlines handling processes, reducing the complexity compared to drums or barrels.

The Advantage of One-Way Transports: For lengthy one-way transports, disposable IBC solutions like the Fluid-Bag FLEXI shine. With no return-transport costs and zero necessity for washing or re-conditioning, these containers stand as cost-effective and time-efficient options.

 

Read more about the Fluid-Bag concept: Why Fluid-Bag

Optimizing Container Quantity in Shipping

Efficiency in liquid logistics extends beyond the choice of individual containers.

Let's dig deeper into the art of maximizing container capacity for enhanced logistical outcomes.

IBCs in Shipping Containers

The traditional 20-foot shipping container serves as a confined canvas for container arrangement.

When it comes to standard Intermediate Bulk Containers (IBCs), a standard 20-foot container accommodates 18 IBCs in total. Among these, 10 IBCs, each holding 1000 liters (275 US gal), create the solid foundation on the container floor, forming the bottom layer. Above, 8 more IBCs are placed.

Fluid-Bag Containers: Efficient Transport Amplified

A 20-foot container has the capacity to hold approximately 20 filled Fluid-Bag containers, each holding 900 liters (237 US gal). When delivered empty and flat-packed, a standard truck or autotruck can accommodate an impressive 260 empty Fluid-Bag FLEXI containers.

The effectiveness of transporting empty Fluid-Bag containers drastically reduces the number of trips needed, cutting down both fuel consumption and operational time.

In essence, whether it's maximizing the use of IBCs within standard containers or leveraging the space efficiency of Fluid-Bag containers, the goal remains the same: streamlined logistics that bolster cost savings, reduce environmental impact, and ensure the seamless journey of liquid cargo.

Conclusion: Bulk Liquid Containers

This comprehensive guide has explained the world of bulk liquid container types, capacities, and applications, equipping you with the knowledge needed to navigate this landscape.

Here are some last ideas for summary, when choosing the right transport units for your needs:

• Analyzing the Liquid: Remember to start with the basics: analyze the characteristics of the liquid itself. Viscosity, hazard level, and sensitivity lay the groundwork for the ideal container choice.
• Destination Matters: Consider not only what's being transported but also where it's going. Whether it's a short internal journey or a lengthy one-way transport, the choice of container can significantly impact the outcome.

To summarize, each container type holds its own advantages, catering to specific requirements across industries.

 

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