This year, Aran Group will exhibit alongside WERIT at Hall 10, Booth D40, in a joint stand spanning 189 square meters. The dedicated Aran area is designed to host meetings and present key technologies in flexible liquid packaging – with a particular focus on bulk formats and the operational challenges they address.

Bulk Packaging: Where the Conversation Is Moving

Within the joint stand, Aran’s primary focus will be on bulk liquid packaging solutions – an area where demand continues to grow across global food manufacturing and ingredient supply.

Bulk formats such as 600L and 1000L containers have gained ground for straightforward reasons: they improve logistics efficiency, reduce packaging weight compared with rigid alternatives, and simplify disposal and storage. But the operational realities of working with large flexible liners at scale — handling, filling speed, product recovery, contamination control – remain a practical challenge that the format alone doesn’t solve.

This is where the systems Aran will present at the stand come in.

A key system on display will be the NUTRILINE aseptic, developed together with WERIT. The system pairs a rigid outer container with an advanced flexible inner bag engineered for the safe and efficient transport of liquid food products, integrating into existing filling and dispensing operations while maintaining strict food-safety requirements.

SelfForm 1000L: Rethinking How Large Liners Work on Filling Lines

One of the technologies highlighted at the stand will be the SelfForm 1000L bag, presented through a dedicated video demonstration.

The problem it addresses is familiar to any production manager running large-format liquid filling: standard 1000L pillow-style liners require manual positioning inside the container before filling can begin. The bag must be pulled open, corners adjusted, and the liner guided into place – typically requiring two operators per line. It is time-intensive, ergonomically demanding, and every additional touch point during aseptic filling introduces contamination risk.

How SelfForm Work

The bag uses a proprietary folding design that allows it to unfold and expand automatically during the filling cycle, conforming to the shape of the container without manual intervention. The operator connects the fill line to the fitment, initiates filling, and the bag self-forms as product enters. When filling is complete, the operator disconnects. That is the entire process – two touch points instead of four or more.

Throughput impact

In manual filling operations, typical throughput ranges from 6–8 bags per hour. SelfForm enables rates above 20 bags per hour with a single operator, effectively halving the labor requirement per line while more than doubling output.

Product recovery

Pillow-style liners trap an estimated 3–5% of product in corner folds and dead zones – in a 1000L container, that can mean 30 liters or more of lost product per fill. The SelfForm design, by conforming to the container geometry, achieves evacuation rates up to 99%, recovering product that would otherwise be discarded or require additional handling.

Material and compliance

The SelfForm bag and fitment are fully BPA-free – relevant as the EU’s 2025 ban on BPA in food contact materials takes effect and US state-level restrictions continue to tighten. The fitment is compatible with both steam sterilization and irradiation (gamma and e-beam). Barrier structures are available in two configurations: a high-barrier SuperFlex option (PE/PA/EVOH/PA/PE) for extended shelf life and long-distance distribution, and a standard barrier structure optimized for regional and refrigerated supply chains.

Applications

SelfForm is designed for low-viscosity liquid products, with validated use across dairy (milk, cream, whey concentrates), fruit preparations, liquid eggs, and beverage post-mix concentrates.

Bag-in-Box and Aseptic Packaging

While bulk systems will receive significant attention at the exhibition, Aran will also present its broader expertise in bag-in-box and aseptic flexible packaging across smaller formats.

These solutions remain essential for dairy and milk products, tomato and fruit processing, liquid eggs and sauces, and beverage syrups and concentrates – applications where long shelf life, transport efficiency, and product safety must be maintained without refrigeration.

Aran’s MonoFlex bag-in-box, a mono-material recyclable structure, was recognized with a WorldStar 2026 Award – reflecting its performance in recyclability and suitability for long-distance transport.

For many food manufacturers, packaging decisions increasingly involve evaluating entire system’s performance rather than individual components: barrier properties, filling compatibility, dispensing behavior, and end-of-life recyclability all factor into the choice. This integrated perspective is central to how Aran approaches every format it develops.

Meet the Team at Hall 10 – D40

If you are attending Interpack 2026, we invite you to visit the Aran team at Hall 10, Booth D40 to see the full range of packaging solutions and discuss the operational and engineering challenges shaping liquid food packaging. Meetings can be scheduled in advance throughout the exhibition.

Frequently Asked Questions

What are the main advantages of using SelfForm 1000L bags?

The SelfForm 1000L bag automates the filling process by unfolding itself during the cycle. This reduces manual labor (only 1 operator needed), increases throughput from 8 to over 20 bags per hour, and ensures 99% product recovery, significantly reducing waste.

Is Aran Group’s liquid packaging BPA-free?

Yes. All SelfForm bags and fitments are fully BPA-free, complying with the EU 2025 ban and US state-level restrictions on food contact materials.

What is the NUTRILINE aseptic system?

Developed in collaboration with WERIT, NUTRILINE is an aseptic IBC system that combines a rigid outer container with an advanced flexible liner, designed specifically for the safe transport of liquid food products.

Which industries can use Aran’s Bag-in-Box and Bulk solutions?

Our solutions are optimized for the global food industry, including dairy, fruit preparations, liquid eggs, tomato processing, and beverage concentrates (post-mix).

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Traditional approaches to protecting sensitive liquids such as wine, dairy, sauces, and liquid eggs – within flexible Bag-in-Box formats relied on metallized films, aluminum foil layers, or complex multi-material laminations. These structures, combining PET, Nylon, and Polyethylene, were effective at maintaining product integrity, but they were a recycling nightmare. Because these layers cannot be economically separated, they often end up in landfills or contaminate pure recycling streams.Today, that trade-off is no longer acceptable. With the integration of the EU’s Packaging and Packaging Waste Regulation (PPWR), the landscape has shifted from voluntary sustainability to mandatory compliance.

The Regulatory Horizon: PPWR and the 2030 Mandate

The PPWR, which began its general application in 2025, has fundamentally redrawn the boundaries for global suppliers. The regulation is clear:

• By 2030: All packaging placed on the EU market must be recyclable.
• By 2038: Only packaging achieving the highest recyclability grades (A and B) will be permitted.

For flexible packaging producers, this is not a minor adjustment; it is a structural challenge. For Bag-in-Box applications specifically, the challenge is acute. We aren’t talking about small dry-food pouches; we are dealing with 3-to-20-liter formats that must withstand immense hydrostatic pressure while maintaining a total oxygen barrier for months.

Why Mono-Material for Liquids Took So Long to Solve

While mono-material pouches for dry snacks have reached commercial maturity, liquid formats lagged behind due to three critical failure modes:

1. Flex-Crack Failure: During transportation, the constant sloshing of liquid creates stress on the film. Traditional mono-PE films often developed microscopic pinholes (flex-cracks), compromising the barrier.
2. Oxygen Ingress at the Fitment: In Bag-in-Box, the connection between the bag and the spout is a high-risk zone. Engineering a mono-material bond that remains airtight during and after dispensing requires precision molding and heat-sealing expertise.
3. The EVOH Paradox: To stop oxygen, you need EVOH. But too much EVOH makes the bag “multi-material” and unrecyclable.

The industry’s design window is narrow: a structure must contain over 95% Polyethylene (PE) to be accepted as grade A in standard recycling streams. This is the exact window where Aran Group’s R&D team focused their efforts.

Introducing MonoFlex: WPO WorldStar 2026 Winner

Aran’s MonoFlex is not just a new product; it is a validated engineering breakthrough. By utilizing advanced co-extrusion and lamination technologies, we have created a high-barrier structure that could be recycled as a single polymer.

Technical Performance Breakdown

The Fitment Advantage

A bag is only as good as its spout. MonoFlex features an integrated fitment system designed to minimize oxygen pickup during the dispensing process. This is particularly critical for the wine and condiment industries, where the product must stay fresh for weeks after the first glass or serving is poured.

Operational Excellence and Global Supply

Choosing MonoFlex is a strategic decision that affects the entire value chain. Beyond the environmental benefits, it offers:

• Source Reduction: MonoFlex is significantly lighter than rigid plastic or glass containers, leading to a massive reduction in “Scope 3” transport emissions.
  
• Global Certification: Aran maintains a global network of production sites (Israel, Spain, USA) and holds ISO 9001:2018, ISO 14001 and BRC/IOP certifications.

Frequently Asked Questions

Q: What makes MonoFlex different from traditional Bag-in-Box solutions?
A: Unlike traditional formats that rely on non-recyclable metallized films or complex multi-material laminates, MonoFlex is engineered as a mono-material PE solution. By using a minimal EVOH layer (less than 3%), it maintains high-barrier protection for oxygen-sensitive products without compromising the bag’s recyclability.

Q: Is MonoFlex fully recyclable and PPWR compliant?
A: Yes. MonoFlex is specifically designed for recyclability within standard polyethylene (PE) streams. It complies with “A” rating under the European Packaging and Packaging Waste Regulation (PPWR) guidelines, making it a future-proof solution for the 2030 and 2038 sustainability mandates.

Q: Which products and applications is MonoFlex suitable for?
A: MonoFlex is ideal for a wide range of oxygen-sensitive liquid foods, including wine, dairy, and liquid eggs. It is also highly effective for high-acid condiments such as ketchup, mayonnaise, and balsamic vinegar, as the inner PE layers are chemically inert and resistant to delamination or barrier degradation.

Q: How does MonoFlex contribute to a company’s sustainability goals and ESG reporting?
A: By transitioning to a Class A recyclable material, companies can document a measurable reduction in non-recyclable waste. Additionally, MonoFlex’s lightweight flexible design reduces packaging volume compared to rigid containers, leading to lower carbon emissions across the global supply chain and improved ESG performance.

Q: What sizes are andavailable and is MonoFlex compatible with existing machinery?
A: We offer MonoFlex in formats ranging from 3 to 20 liters, catering to both retail and foodservice industries. A key advantage of MonoFlex is its full compatibility with standard Bag-in-Box filling machinery, allowing for a seamless transition to sustainable packaging without requiring new operational investments.

Conclusion: Engineering the Future of Liquid Packaging

The PPWR’s timeline is a defined horizon, but the real constraint is technical. At Aran Group, we believe that sustainability shouldn’t come at the cost of performance. MonoFlex is proof that through material science and a commitment to “Design for Recycling,” we can protect both your product and the planet.As a global leader in Liquid Packaging Solutions, we invite you to join the circular economy.

Ready to future-proof your packaging? Contact our team today for a technical consultation.

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Key Takeaways:

• Broad Compatibility: Designed for compatibility with major global dispenser systems, with expanded connector coverage nearing completion
• Efficiency: Dip Strip technology ensures <1% product waste.
• Sustainability: New PE+EVOH structures replace non-recyclable Nylon (PA).
• Capacity: Manufacturing in US, Europe, and Israel.

Post-mix beverage bags are precision-engineered Bag-in-Box (BIB) packaging solutions specifically designed for dispenser systems in global restaurants, convenience stores, and high-volume foodservice operations.

Since 2009, Aran has manufactured millions of these specialized bags annually, serving the post-mix syrup market and other beverage applications – including as a supplier to Coca-Cola. Unlike standard BIB packaging used for ready-to-drink products, post-mix bags must meet rigorous technical requirements for connector compatibility and oxygen barrier protection for concentrated syrups and alcohol mixes.

Expanding Connector Compatibility: Toward Full Dispenser Coverage

In the post-mix ecosystem, connector compatibility is the most critical operational factor. Because major beverage manufacturers utilize proprietary dispenser systems, the bag’s valve must meet exact mechanical specifications to ensure a leak-proof, airtight connection. For instance, a bag designed for a Coca-Cola system is physically incompatible with Pepsi equipment without the correct proprietary fitment.

Aran is actively expanding its connector portfolio to cover all major dispenser platforms, with the goal of enabling beverage brands to consolidate packaging procurement under a single supplier:

• Leading Dispenser Platforms: Current production covers several widely deployed connector types used across global foodservice operations.

• International Proprietary Systems: Specialized fitments for unique dispenser requirements found in European and Asian markets.

• Expanded Universal Coverage: Development is well advanced on additional connector formats, with full multi-platform compatibility expected in the near term.

As connector coverage expands, Aran is positioning itself to allow beverage brands to consolidate their packaging procurement under a single supplier — significantly reducing inventory complexity and logistics overhead.

To explore our full range of fitment specifications, visit our Bag-in-Box fitments page.

Internal Dip Strip Technology: Maximizing Product Yield and ROI

A primary challenge in high-viscosity beverage dispensing is “bag collapse,” where the flexible film creases and traps residual product. To solve this, Aran developed the internal dip strip – a structured pathway molded directly into the bag’s interior during the manufacturing process.

How the Dip Strip Enhances Performance

The dip strip acts as a rigid channel that extends to the bottom of the bag. As the dispenser pump draws liquid, this channel prevents the film from sealing against itself, ensuring a continuous flow even as the bag reaches its final servings.

Key Technical Benefits:

• Maximum Yield (<1% Waste): Ensures virtually every drop of expensive concentrate is dispensed, providing critical cost management for foodservice operators.
• Consistent Flow Rate: Guarantees a steady pour from the first to the very last serving, maintaining beverage quality standards.
• Extended Equipment Life: Reduces the vacuum strain on dispenser pumps, preventing premature motor failure and maintenance costs.
• Viscosity Management: Particularly effective for thick syrups, mayonnaise-based sauces, and concentrated alcohol mixes that typically suffer from high residual waste.

Optimized Sizing for Global Foodservice Operations

Aran produces post-mix bags in three standardized sizes, all featuring the same high-barrier protection and dip strip technology.

Sustainability Leadership: Transitioning to Recyclable PE Structures

The beverage industry is currently undergoing a major shift in material science. While the traditional market standard has relied on PA (Nylon) multilayer structures for their oxygen barrier properties, these materials are difficult to recycle in standard waste streams.

Aran is pioneering the transition toward PE-based (Polyethylene) structures with integrated EVOH barrier layers:

• Full Recyclability: Designed for compatibility with existing PE recycling streams.

• Regulatory Readiness: Compliant with evolving European PPWR (Packaging and Packaging Waste Regulation) standards.

• Carbon Footprint Reduction: Lower emissions during the manufacturing process compared to traditional multi-material films.
• Performance Parity: Successful commercial trials with major beverage producers prove that PE+EVOH maintains shelf life (6–18 months) and product freshness identical to traditional PA structures.

Learn more about our commitment to the circular economy on our Sustainable Packaging Solutions overview.

Expanding Capacity: New Production in North America

To support the growing demand from North American beverage brands, Aran USA has invested in a state-of-the-art post-mix production line at its Greer, South Carolina facility.

This strategic expansion, expected to be online by Q3 2026, will:

• Double manufacturing capacity specifically for the North American post-mix segment.
• Drastically reduce lead times for U.S. and Canadian distributors.
• Facilitate rapid prototyping for custom connector designs and proprietary valve systems.

Why Leading Beverage Brands Partner with Aran

Aran combines technical excellence with a global manufacturing footprint to provide a secure supply chain for the world’s largest beverage corporations^.

• Proven Scale: 15+ years of experience manufacturing millions of post-mix bags for the global beverage industry, including supply to Coca-Cola.

• Global Reach, Local Support: Manufacturing facilities in the USA, Israel, and Spain ensure regional support and localized logistics.
• Versatile Applications: Beyond soft drinks, Aran bags are used for cruise ship cocktail bases, alcohol concentrates (margarita/daiquiri mixes), and specialty energy drink syrups.
  

Frequently Asked Questions (FAQ)

What is the difference between post-mix bags and standard bag-in-box? Post-mix bags feature specialized valve fittings for dispenser connection, internal dip strips for maximum yield, and barrier structures optimized for concentrated syrups rather than ready-to-drink products.

Which dispenser systems are Aran post-mix bags compatible with?

Aran currently supports several major connector platforms and is rapidly expanding its range to cover additional dispenser systems. Contact us to confirm compatibility with your specific equipment.

Can post-mix bags be recycled? Aran’s advanced PE+EVOH structures can be recycled in polyethylene waste streams. Traditional PA structures have limited recyclability. Contact us for the latest sustainable material options.

What is the typical shelf life of the product? Aran’s high-barrier structures typically support 6–18 months of shelf life for most beverage concentrates. Specific validation should be conducted for each unique product formulation.

Does Aran support custom connector designs? Yes, Aran’s engineering team can develop custom valve solutions for proprietary dispenser systems. Contact us to discuss your specific requirements.

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A Global Breakthrough in Fully Recyclable Bag-in-Box Packaging

Aran Group is proud to announce that our recyclable MonoFlex Bag-in-Box has received a Certificate of Recognition at the Star of Israel 2026 competition. This honor recognizes sustainable packaging solutions that promote circular economy principles, minimize environmental impact, and meet the evolving needs of the global food and beverage markets. Our achievement reflects a long-standing commitment to responsible engineering, high-quality production, and packaging technologies that shape a more efficient and sustainable future.

A Breakthrough in Recyclable Bag-in-Box Packaging

The award recognizes the MonoFlex Bag-in-Box (3–20L), a fully recyclable, high-barrier packaging solution designed for liquid food products. As a world-first mono-material development in its category, the bag is made from over 95% polyethylene (PE) with a thin EVOH barrier layer of under 3%, creating a mono-material structure that is designed for recycling in existing PE recycling streams. This innovative material structure eliminates the need for metallized layers or complex multi-material laminations that commonly hinder recycling in conventional liquid food packaging.

Engineered for Strength and Freshness

Despite its lightweight and flexible form, the MonoFlex bag delivers impressive mechanical durability, puncture resistance, and long-term protection against oxygen and moisture. Its integrated fitment spout minimizes oxygen exposure during and after dispensing, extending shelf life and preserving product freshness. These advantages directly contribute to reducing food waste and improving overall supply-chain efficiency, making MonoFlex especially valuable for products such as wine, mayonnaise, ketchup, fruit concentrates, and other sensitive liquid applications.

Designed for Recycling and Efficiency

The sustainable bag-in-box packaging is designed in accordance with Design for Recycling principles and achieves an “A” rating under European PPWR (Packaging and Packaging Waste Regulation) standards. Its reduced weight and compact structure significantly lower transportation and storage volumes, decreasing energy consumption and carbon emissions compared to traditional rigid containers. This efficiency translates into measurable cost savings and environmental benefits throughout the supply chain.

Supporting Global Sustainability Goals

Beyond its environmental benefits, the MonoFlex Bag-in-Box serves a broader societal purpose. By protecting product quality over long distances and preventing premature spoilage, it helps strengthen food security and supports more responsible global resource management. The combination of sustainability, practicality, and high performance makes this solution suitable for both industrial dispensing systems and consumer applications across diverse markets.

Looking Ahead

Aran Group is honored by this recognition and remains dedicated to advancing aseptic and sustainable packaging solutions that support a healthier planet, reduce waste, and meet the expectations of manufacturers and consumers alike. MonoFlex will next compete at the WPO Worldstar Awards, where it will represent Israel’s packaging innovation on the global stage.

Frequently Asked Questions

What makes MonoFlex different from traditional bag-in-box packaging?

MonoFlex is a fully recyclable mono-material bag-in-box for liquid food in the 3–20L range. Unlike conventional bags that use multi-material laminations, MonoFlex uses over 95% PE with minimal EVOH, making it recyclable in standard PE streams.

How is MonoFlex recycled?

MonoFlex can be recycled through existing polyethylene (PE) recycling infrastructure, eliminating the need for specialized recycling processes. Its mono-material design achieves an “A” rating under European PPWR standards.

What products is MonoFlex suitable for?

MonoFlex is ideal for liquid food products requiring high-barrier protection, including wine, fruit concentrates, sauces, condiments, mayonnaise, ketchup, dairy alternatives, and other oxygen-sensitive liquids.

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Each site has its own Quality Manager, supported by inspectors responsible for production-line control and customer-facing assurance. In Israel, two laboratories cover laminates and flexible bags, with seven inspectors and a local manager, Lilach Fuchs. Spain, the United States, and Germany follow a similar structure, with Pablo Torres leading quality in Spain, Courtney Copeland in the United States, and Romina Rubin temporarily managing the German branch.

Every product undergoes defined inspection protocols, including seal integrity and leak testing. New methodologies and equipment are introduced regularly to identify potential issues at an early stage. Once validated, procedures are implemented across all branches, ensuring uniformity in processes and results.

The composition of the packaging materials is central to performance and safety. Structures are designed for durability, barrier properties, and compliance with food-contact regulations.

Compliance and certification are integral to operations. The Israeli and Spain branch holds ISO 9001, ISO 14001, BRC, kosher certification, SMETA social responsibility audits, and EcoVadis. It also meets relevant FDA requirements and adheres to approved lists for food-contact materials under FDA, Chinese, and Japanese regulations. Other sites are in the process of aligning with the same standards.

Supplier approvals, risk management, and methodology updates are coordinated at group level, ensuring all branches operate under the same requirements while adapting to local production needs. In Israel, oversight also extends to assembly lines, complementing production controls.

Quality within Aran Group is defined by prevention, consistency, and compliance. Through systematic testing, material control, and continuous improvement, the company ensures that customers receive packaging solutions that meet international standards for safety and reliability.

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A news article featuring Aran Group’s new generation of tomato packaging, published by Tomato News.

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While barrier performance is often viewed as a single-layer property, in reality, different materials respond differently to mechanical stress, making film structure a system-level consideration.

The Science Behind Flex Cracks

Flex Cracks typically develop in multilayer coextruded films, where thin high-barrier layers (such as EVOH or metallized films) are subjected to cyclic mechanical stress, including:

• Vibration during transport (especially in intermodal shipping)
• Friction and abrasion within outer packaging
• Stress concentrations from filling, emptying, or stacking
• Temperature fluctuations causing expansion and contraction of incompatible layers

Once a barrier layer is compromised, even partially, oxygen ingress and microbial contamination can occur, especially in aseptic and extended shelf-life applications.

Barrier Sensitivity: Metallized Films vs. EVOH

Metallized films offer strong OTR performance but are brittle and highly sensitive to mechanical fatigue, making them more prone to Flex Cracks under vibration or bending. A single microcrack can lead to full barrier failure.

EVOH (Ethylene Vinyl Alcohol), while still sensitive to humidity, offers greater elasticity and flexural fatigue resistance. It can absorb and disperse mechanical energy more effectively, reducing the likelihood of crack formation under dynamic conditions.

Aran often combines multiple barrier layers to create redundancy, ensuring that even if one layer is compromised, the package retains its protective function.

Flexibility by Design: Material Engineering for Movement

In addition to barrier selection, film structure and processing are critical to Flex Crack prevention. Aran applies proprietary techniques during coextrusion to enhance the film’s flexibility and resistance to fatigue.

These refinements result in films with improved elastic response and structural stability under dynamic conditions like vibration, compression, and repetitive movement. The film structure adapts more effectively to stress, lowering the risk of microcrack formation throughout transport and storage.

Aran’s Technical Response: Premium Flex 2.0

To address Flex Cracks at their source, Aran developed Premium Flex 2.0, a high-performance aseptic bag designed for mechanical durability and consistent oxygen barrier protection.

Key design elements include:

• Barrier Optimization
  EVOH layer <5% to maintain recyclability and high barrier performance. EVOH is coextruded between flexible tie layers to prevent strain-induced delamination.
• Mechanical Reinforcement
  Tailored PE layers with controlled molecular weight distribution ensure tensile strength, puncture resistance, and flexural fatigue resistance, minimizing risk of cracking during long-haul transport.
• Stress Dispersion Architecture
  Layer thicknesses are engineered to distribute mechanical load. The inner film’s elasticity reduces stress transfer to the barrier layer, while the outer layer provides abrasion resistance.
• Flex-Crack Resistance Testing
  All Premium Flex 2.0 structures undergo ASTM F392 flex-durability testing and shipping simulation trials. Results show a >90% reduction in microcrack formation compared to conventional structures.

Built to Withstand the Journey

Flex Cracks are not a surface defect, they’re a system-level challenge that threatens product integrity. At Aran, we treat them as a design parameter from the start. Premium Flex 2.0 represents a multi-variable engineering solution that balances barrier performance, mechanical durability, and environmental compliance.

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