April 2026: New Standards Advance Packaging and Distribution Practices

Staying ahead in the packaging and distribution sector demands continuous adaptation to evolving technical, environmental, and market needs. In April 2026, five new international standards were released, setting higher benchmarks for dimensional consistency and recyclability practices. For manufacturers, quality managers, engineers, and compliance professionals, these standards offer essential frameworks to improve product performance, enable circular economy strategies, and meet regulatory expectations. This article explores these critical updates and how they impact the field.

Overview

Packaging and distribution play an indispensable role in the movement, protection, and sustainability of goods across industries. As technical requirements, environmental pressures, and customer expectations evolve, robust standards are necessary to guarantee safety, quality, and compliance—across everything from food logistics to retail distribution chains.

International standards in this space focus on:

• Harmonizing dimensional specifications
• Defining measurement and testing protocols
• Advancing recycling and circular economy goals
• Ensuring compatibility across global supply chains

This article reviews five newly published standards that address both traditional packaging (such as paper sacks) and leading-edge plastic recycling processes. By the end, readers will be equipped with the knowledge to implement, audit, and leverage these requirements for operational excellence.

Detailed Standards Coverage

EN ISO 6591-1:2026 - Packaging - Dimensions and Method of Measurement – Part 1: Empty Paper Sacks

Packaging - Dimensions and method of measurement - Part 1: Empty paper sacks (ISO 6591-1:2026)

This European adoption of ISO 6591-1:2026 establishes a unified approach to determining the dimensions of empty paper sacks, ensuring consistency and comparability in manufacturing, procurement, and logistics.

Scope and Requirements:

• Specifies dimensional designations and measurement protocols for various types of empty industrial paper sacks.
• Covers sacks with and without moisture barriers, and addresses different valve positions.
• Standardizes apparatus, sampling techniques, and reporting protocols.

Who Must Comply:

• Paper packaging manufacturers
• Quality control teams
• Procurement and supply chain managers

Key Implementation Implications:

• Assures product compatibility and stackability within automated lines
• Enhances transparency in technical specifications for clients and regulators

Notable Changes:

• Technical revision of previous editions (1984), improving illustrations and detail
• More explicit procedures for sacks with special features (e.g., moisture barriers)
• Expanded test report requirements for traceability

Key highlights:

• Unified measurement for global trade
• Comprehensive procedural clarity
• Supports harmonization with EU and international trade laws

Access the full standard:View EN ISO 6591-1:2026 on iTeh Standards

ISO 6591-1:2026 - Packaging — Dimensions and Method of Measurement — Part 1: Empty Paper Sacks

Packaging — Dimensions and method of measurement — Part 1: Empty paper sacks

This is the international ISO version of the standard, functionally identical to EN ISO 6591-1:2026 but recognized and adopted worldwide.

Scope and Requirements:

• Defines size measurement for empty paper sack products
• Outlines detailed test methods, sample selection, and apparatus requirements
• Incorporates updated figures for clarity

Who Must Comply:

• Global manufacturers and exporters
• Auditors and inspectors
• Cross-border supply chain professionals

Practical Impacts:

• Facilitates compliance for organizations operating in multiple regulatory environments
• Supports integration with digital quality control systems

Improvements Over Previous Versions:

• Revised for clearer reporting and sampling methodology
• Clarifies terms/definitions and adds detailed illustrations

Key highlights:

• International harmonization of paper sack measurements
• Clarified procedures for all sack types
• Supports traceability and audit requirements

Access the full standard:View ISO 6591-1:2026 on iTeh Standards

EN 18120-10:2026 - Packaging - Design for Recycling of Plastic Packaging – Part 10: PET Bottles Protocol

Packaging - Design for recycling of plastic packaging - Part 10: Recyclability evaluation process for plastic packaging - Protocols for PET bottles

This new European Standard focuses on the recyclability of PET bottles, offering a structured protocol to evaluate design suitability for recycling processes.

Scope and Requirements:

• Lays out evaluation processes for PET bottle designs, including non-PET elements (caps, labels, etc.)
• Simulates industrial recycling steps at laboratory scale: control selection, grinding, washing, rinsing, drying, extrusion, solid state polymerization, and product conversion
• Includes benchmark values for performance indicators (color deviation, mechanical properties)

Industries and Organizations Affected:

• Beverage industry (water, soft drinks, juices)
• Packaging designers and sustainability leads
• Recyclers and material recovery facilities

Implementation Highlights:

• Helps manufacturers design PET bottles that are truly compatible with state-of-the-art recycling lines
• Supports compliance with Extended Producer Responsibility (EPR) and regulatory requirements

Notable Features:

• Detailed protocols for both processability during recycling and quality of recycled PET
• Mandates inclusion of ancillary elements in recyclability assessment

Key highlights:

• Lab-scale simulation of full recycling chain
• Protocol ensures real-world recycling compatibility
• Benchmark-driven assessment supports innovation without loss of recyclability

Access the full standard:View EN 18120-10:2026 on iTeh Standards

EN 18120-12:2026 - Packaging - Design for Recycling of Plastic Packaging – Part 12: PE and PP Rigid Protocol

Packaging - Design for recycling of plastic packaging - Part 12: Recyclability evaluation process for plastic packaging - Protocols for PE and PP rigid packaging

This standard addresses the recyclability of rigid plastic packaging, specifically those made predominantly from polyethylene (PE) and polypropylene (PP).

Scope and Core Requirements:

• Focuses on rigid packaging forms and their compatibility with collection, sorting, and state-of-the-art recycling
• Specifies the evaluation of all components, including non-PE/PP elements
• Protocol includes steps: grinding, washing (cold/hot), flotation, drying, air elutriation, extrusion, pelletizing, and conversion to finished products

Who Should Act:

• Manufacturers of detergent, food, chemical, and consumer goods packaging in rigid form
• Supply chain specialists
• Recyclers integrating post-consumer materials

Implementation Advantages:

• Helps optimize product designs to achieve "green" (fully recyclable) status
• Enables reliable comparisons across different packaging innovations

New or Enhanced Features:

• Normative requirements for sample sizes and dilution steps in testing
• Addresses impacts of labels, caps, and mixed-materials on final recyclate quality
• Includes conversion testing via blow moulding, sheet extrusion, and injection moulding

Key highlights:

• Standardized routines for industry-scale validation of recyclability
• Blending and dilution simulates real-world waste stream conditions
• Enhances end-product consistency and transparency in post-consumer recycled content

Access the full standard:View EN 18120-12:2026 on iTeh Standards

EN 18120-13:2026 - Packaging - Design for Recycling of Plastic Packaging – Part 13: PE and PP Flexible Protocol

Packaging - Design for recycling of plastic packaging - Part 13: Recyclability evaluation process for plastic packaging - Protocols for PE and PP flexible packaging

The rise of flexible packaging in food, retail, and personal care markets creates new challenges in achieving true recyclability. This standard introduces a robust, laboratory-based evaluation protocol for verifying the recycling compatibility of flexible packaging that is mostly PE or PP.

Scope and Requirements:

• Applies to bags, pouches, films, and similar flexible containers primarily made of PE or PP
• Covers the evaluation of non-PE/PP constituents for their effects on recycling efficacy
• Emulates the recycling process through a sequence: grinding, washing, flotation, drying, extrusion into pellets, blending, and film conversion via blown/cast processes

Who Benefits:

• Brands and suppliers of food and retail flexible packaging
• Flexible film manufacturers
• Material recovery facilities aiming to increase high-quality post-consumer recyclate

Implementation and Compliance:

• Offers a blueprint for developing flexible packaging that survives collection and sorting, and can be efficiently converted back into usable film products
• Encourages cross-functional teamwork between R&D, sustainability, and quality departments

Innovations in This Edition:

• Comprehensive test methods for blend compatibility, mechanical properties, and color quality
• Benchmarks for key indicators like melt flow rate, density, haze, and tensile strength
• Emphasizes trackability and reporting of all non-flexible/non-homogeneous material inputs

Key highlights:

• Enables evaluation of multilayer or complex flexible designs
• Designed to spur sector-wide improvement in PE and PP flexible recyclate yield
• Integrates seamlessly with prior standards in the EN 18120 series

Access the full standard:View EN 18120-13:2026 on iTeh Standards

Industry Impact & Compliance

Adoption of these new standards is set to fundamentally improve consistency, quality, and sustainability across the packaging and distribution sector. For organizations, the short- and long-term impacts include:

• Demonstrable compliance with evolving international and regional sustainability regulations, including plastic tax schemes and Extended Producer Responsibility programs.
• Improved product design by enabling upstream consideration of recyclability and measurement accuracy.
• Facilitated market access through harmonized specifications and testing protocols, particularly for brands operating internationally.
• Reduced risk of supply chain non-compliance, audit failure, or reputational damage due to unclear or inconsistent packaging definitions.

Implementation Timelines: Most standards come into effect immediately upon publication, though organizations are recommended to assess internal compliance processes, update quality manuals, and train staff on new testing or reporting requirements.

Benefits of Early Adoption:

• Increased operational efficiency
• Fewer rejected shipments due to non-compliance
• Enhanced customer confidence and brand reputation
• Qualification for circular economy incentives

Risks of Non-Compliance:

• Regulatory penalties and restricted market access
• Loss of major retail/customers requiring certified packaging
• Lower recyclate value and increased waste handling costs

Technical Insights

Across these standards, common technical themes emerge:

• Measurement precision and repeatability are central for paper sacks (EN ISO/ISO 6591-1:2026).
• Laboratory simulation of real-world recycling processes for PET, PE, and PP packaging is a requirement for rigorous recyclability assessment in EN 18120-10/12/13:2026.
• Material compatibility—including the effects of non-homogeneous design elements—must be validated at each stage.
• Blending and dilution protocols reflect real-world conditions, supporting transparency and reliability of post-consumer recycled materials.

Implementation Best Practices:

1. Audit all packaging bill of materials and cross-reference with the correct standard parts
2. Establish or update internal labs or partner with certified testing centers for recyclability simulations
3. Collect and retain enhanced testing and reporting documentation for auditors
4. Educate product and design teams on green/yellow/red compatibility codes

Testing and Certification Considerations:

• Quantitative assessments (physical, mechanical, functional)
• Use of control samples and benchmarking
• Ongoing review as innovation or material substitutions are made

Conclusion / Next Steps

The April 2026 standards set a new baseline in packaging and distribution, especially by binding product design and material selection to real-world recycling success. Organizations that embrace these requirements will be best positioned for both compliance and commercial advantage in an increasingly regulated market.

Key takeaways:

• Harmonization enables seamless international operations
• Standardization supports both sustainability and operational excellence
• Forward-thinking organizations will leverage these standards to reduce risk and capture market share

Recommendations:

• Conduct a gap assessment against the new standards
• Register for upcoming webinars and training from standards bodies
• Engage with cross-industry coalitions to remain at the forefront of best practice

For full documentation and actionable guidance, explore the standards directly via iTeh Standards.