Key Risk Areas in Packaging Compliance: Decorated Glass, Multi-Material Closures, and More
Certain packaging elements pose outsized compliance risks under PPWR and EPR programs. Identify and address these high-risk areas before they become costly problems.
By Packgine
February 24, 2026

Not all packaging compliance challenges are equal. Certain materials, formats, and design elements pose disproportionate regulatory risk—either because they face outright bans, incur heavy fee penalties, or create complex conversion requirements. Identifying and addressing these high-risk areas proactively is essential for managing compliance costs and avoiding market access disruptions.
The Five Critical Risk Areas
1. Decorated Glass Packaging
Glass is inherently recyclable, but decorations can undermine its recyclability and create compliance issues.
The Problem: Ceramic decals, baked-on colors, and permanent decorations don't release during glass recycling. They contaminate glass cullet, reduce recycled glass quality, and can cause defects in new containers. As recyclability assessments become more rigorous, decorated glass packaging faces potential downgrades.
Affected products: Premium spirits and wine bottles, cosmetic and fragrance containers, artisan food packaging, specialty gift packaging.
Risk level: Moderate to high. While glass recycling infrastructure is well-established, decorated glass may face lower recyclability grades under PPWR, resulting in higher EPR fees.
Mitigation strategies: Transition to organic inks and coatings that burn off in furnaces, use paper labels rather than ceramic decals, implement removable sleeve labels, and explore etching or embossing instead of applied decorations.
2. Multi-Material Closures
Closures are often the most complex components of otherwise recyclable packaging.
The Problem: Closures frequently combine multiple materials—plastic outer shells with metal springs, foam or rubber liners, and silicone valves. These multi-material assemblies cannot be easily separated for recycling and contaminate recycling streams when processed with the primary package.
Affected products: Beverage bottles with lined caps, pump and spray dispensers, child-resistant closures, flip-top and squeeze bottle closures.
Risk level: High. Multi-material closures can downgrade an entire package's recyclability classification, even when the primary container is fully recyclable.
Mitigation strategies: Redesign closures using mono-material construction, ensure closure material is compatible with container recycling stream, develop easily separable closure designs, and implement consumer instructions for closure removal before recycling.
3. Zero PCR Content
As PCR mandates phase in, packaging with zero recycled content faces escalating compliance burdens.
The Problem: PPWR mandates minimum PCR content for plastic packaging (10% contact-sensitive, 35% other by 2030). US states have similar requirements. Packaging with zero PCR will face maximum EPR fee multipliers and may face market access restrictions.
Affected products: Virgin plastic packaging across all categories, particularly food-contact packaging where food-grade PCR has been historically limited.
Risk level: Very high. PCR mandates are among the most prescriptive PPWR requirements, with clear percentage thresholds and deadlines.
Mitigation strategies: Begin PCR sourcing immediately—supply is constrained, secure long-term supply agreements with recyclers and converters, consider advanced/chemical recycling sources for food-grade applications, and explore material substitution where PCR is unavailable.
4. Opaque Colorations
Dark and opaque colors create sorting challenges that undermine recyclability.
The Problem: Carbon black and similar pigments absorb near-infrared light, preventing automated sorting systems from identifying package material types. Mis-sorted packaging contaminates recycling streams and reduces recycled material quality.
Affected products: Black plastic packaging (trays, containers, bottles), dark-colored flexible packaging, and packaging with high pigment loading.
Risk level: High. Packaging that cannot be sorted is functionally non-recyclable, regardless of material composition.
Mitigation strategies: Switch to NIR-detectable colorants (available in most colors including black), reduce pigment loading to improve detectability, use colored labels on natural containers rather than colored containers, and consider alternative materials (e.g., paperboard) for applications requiring dark colors.
5. Non-Separable Components
Packaging elements that cannot be easily removed by consumers or during recycling processing create contamination issues.
The Problem: Full-body shrink sleeves prevent container identification. Non-releasing labels contaminate recycling streams. Adhered components (bands, seals, overwraps) cannot be separated economically. These elements downgrade recyclability classifications even when the base package is fully recyclable.
Affected products: Sleeved bottles and containers, labeled packaging with permanent adhesives, multi-component packaging, and wrapped multipacks.
Risk level: Moderate to high. Non-separable components are explicitly penalized in PPWR recyclability assessments.
Mitigation strategies: Use perforated or easily removable sleeves, switch to release adhesives that detach during washing, minimize component count in packaging designs, and provide clear consumer instructions for component separation.
Risk Assessment Framework
Evaluate each packaging SKU against all five risk areas:
| Risk Area | Impact | Urgency | Action Required | |-----------|--------|---------|-----------------| | Decorated glass | EPR fee increase | Medium | Transition decorations | | Multi-material closures | Recyclability downgrade | High | Redesign closures | | Zero PCR content | Non-compliance by 2030 | High | Secure PCR supply | | Opaque colorations | Non-sortable classification | High | Change colorants | | Non-separable components | Recyclability downgrade | Medium | Redesign or remove |
How Packgine Helps
Packgine systematically identifies high-risk packaging across your portfolio.
EPR & PPWR Compliance Automation: Packgine flags every SKU with risk area characteristics—decorated glass, multi-material closures, zero PCR, opaque colors, non-separable components—and calculates the compliance and cost implications. Risk dashboards prioritize action by severity and deadline.
Compliance Cost Estimating: Quantify the cost of inaction. Packgine projects EPR fee increases, recyclability grade downgrades, and market access risks for each high-risk SKU—building clear business cases for remediation investments.
Alternative Product Suggestions: For every high-risk element, Packgine recommends specific alternatives. NIR-detectable black colorants, mono-material closure designs, release adhesive formulations—our database includes proven solutions from verified suppliers.
Emerging Risk Areas
Beyond the five critical risk areas already identified, several emerging compliance risks deserve attention from forward-looking packaging teams.
Intentionally Added Microplastics
The EU's restriction on intentionally added microplastics, adopted under REACH regulation, affects certain packaging applications. Microplastic particles used in surface treatments, coatings, or encapsulated fragrances in packaging may fall under this restriction. Companies should audit packaging specifications for intentionally added microplastic content and identify reformulation options where necessary.
Bisphenol Restrictions
BPA and related bisphenol compounds used in packaging coatings, particularly internal can linings and thermal receipt paper coatings, face increasing regulatory scrutiny. The EU has proposed significantly reduced migration limits for BPA, and several member states have implemented national restrictions. Alternative coating technologies are available but may require requalification of packaging performance.
Extended PFAS Restrictions
While current PFAS restrictions primarily target food-contact applications, the scope is expanding. The EU's proposed universal PFAS restriction under REACH would affect PFAS in all packaging applications, not just food contact. Companies should proactively identify and eliminate PFAS from all packaging, not just formats currently subject to restrictions.
Quantifying Risk Across Your Portfolio
Building a Risk Heat Map
A comprehensive risk assessment maps every SKU against all five critical risk areas plus emerging risks. The resulting heat map reveals concentration of risk across product categories, geographies, and packaging formats.
Effective heat maps quantify risk in financial terms: for each SKU, what is the projected annual cost of non-compliance, including EPR fee premiums, potential penalties, and market access restrictions? This financial quantification transforms abstract compliance risk into concrete budget line items that capture management attention and justify remediation investment.
Prioritisation by Business Impact
Risk prioritisation should weight financial impact alongside compliance urgency. A high-volume SKU with moderate risk per unit may represent greater total exposure than a low-volume SKU with severe risk. The most effective prioritisation considers total annual EPR fee premium for non-compliant packaging, revenue at risk if the packaging cannot be sold in regulated markets, conversion cost and timeline to achieve compliance, and strategic importance of the product to the overall portfolio.
Developing Remediation Strategies
The Portfolio Approach
Addressing compliance risk areas one SKU at a time is inefficient. A portfolio approach identifies common risk themes across multiple SKUs and develops solutions that can be applied broadly.
For example, if 50 SKUs use carbon black colorant (opaque coloration risk), developing a qualified NIR-detectable black alternative and deploying it across all 50 SKUs is far more efficient than addressing each product individually. Similarly, if 30 SKUs use non-releasing label adhesives, qualifying a release adhesive and standardising it across the portfolio reduces both compliance risk and procurement complexity.
Supplier Collaboration
Many risk areas cannot be addressed without active supplier engagement. Converters, label printers, closure manufacturers, and raw material suppliers all play roles in packaging recyclability. Building collaborative relationships with key suppliers around recyclability improvement creates shared ownership of compliance outcomes and accelerates solution development.
Leading companies are establishing supplier advisory panels focused on recyclability, where packaging suppliers contribute technical expertise and innovation capacity to address compliance challenges across the portfolio.
Timeline and Budget Planning
Realistic remediation timelines account for the full development cycle: specification development, supplier qualification, prototype production, performance testing, consumer acceptance evaluation, artwork updates, and production transition. For complex risk areas like multi-material closure redesign, the full cycle typically takes 12 to 18 months.
Budget planning should include not just direct conversion costs but also qualification testing, regulatory documentation updates, and potential interim fee increases during the transition period. Companies that underbudget for remediation frequently find projects stalled at qualification or delayed by unexpected technical challenges.
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