Where this sitsSubstitution proven before a supply chain commits.
For brands & packaging producers

Plastic-free and fibre-based packaging alternatives.

Sustainable packaging materials are substrates designed for recyclability and circular recovery — and under EU PPWR, recyclability is now a legal requirement, not a preference. For most brands and producers, the practical path is fibre-based and mono-material packaging that matches plastic's performance and is proven recyclable. Ikigaia validates the alternative on its own pilot line — pulping, forming, barrier coating, and recyclability testing — before you commit to tooling or a supply chain.

The shift

From multi-layer plastic to recyclable fibre.

Paperization isn't a branding exercise — it's a material engineering problem. The fibre-based alternative has to match barrier, shelf life, and runnability while remaining recyclable. That's a pilot-line question, not a slide-deck question.

Barrier

Plastic provides moisture, oxygen, and grease barrier. Fibre-based packaging needs coatings to match — but those coatings can prevent fibre recovery. The trade-off is the engineering challenge.

Runnability

A fibre-based material has to run on your existing filling line — at speed, without jams, with consistent seal integrity. That's tested on a pilot line, not assumed.

Recyclability

PPWR requires proof that the packaging is recyclable in standard collection and sorting. For fibre-based packaging, that means testing whether the coated fibre is recoverable in a paper mill.

Economics

Modulated EPR fees reward recyclable packaging. The fibre-based alternative may cost more per unit — but lower EPR fees and brand value can close the gap. We map the full economics.

What we make

Four formats, all proven on the pilot line.

Each format is validated for performance and recyclability before you commit — the evidence traces to a measurement.

Moulded fibre packaging

3D-formed fibre packaging — trays, cups, clamshells, lids. We run pilot forming trials and validate barrier coatings, dimensional stability, and recyclability. The fastest-growing PPWR-aligned category, and one where feedstock and additive choices determine whether the product is truly recyclable.

Pilot forming

Paper-based flexible packaging

Paper structures replacing multi-layer plastic films — for snacks, confectionery, dry goods. The barrier coating is the critical variable: it must protect the product without preventing fibre recovery. We test the trade-off on the pilot line.

Barrier-tested

Fibre-based bottles

Fibre-based bottle structures for beverages and personal care — an emerging PPWR-aligned format. We test formability, barrier performance, and recyclability on the line, before the significant tooling investment a bottle format requires.

Emerging format

Mono-material & recyclable structures

Where plastic remains the right material but recyclability is required, we help design and validate mono-material structures — all-polyolefin or all-PET — that meet PPWR design for recycling criteria while preserving barrier and seal performance.

Design for recycling
What we bring

A pilot line and a lab — not a recommendation.

The material substitution question is a testing question. We have the equipment to answer it.

Lemi

Pilot pulping-to-forming line

A full precommercial line — pulping, refining, forming, drying. The same route your production will run, at pilot scale.

ISO/TAPPI

In-house fibre & barrier lab

Strength, barrier, and recyclability testing to recognised standards. The evidence PPWR requires, produced in-house.

18+

Packaging & fibre projects

Moulded fibre, medical sterile packaging, dissolving pulp, agrifibre pulp — proven on our line for real clients.

Global

Brand & scale-up clients

From global FMCG to innovative packaging scale-ups. Named where public, anonymised where not.

Related terms

The vocabulary of the substitution.

Terms the packaging industry uses for fibre-based and circular packaging. Each describes work we do on the pilot line.

Sustainable packaging materialsPackaging designed for recyclability, recycled content, or renewable feedstocks — the PPWR definition centres on recyclability.
Circular packagingPackaging designed to stay in the material loop — recycled back into new packaging or products. Fibre-based is naturally circular when coatings allow recovery.
Molded fiber packaging3D-formed fibre packaging for trays, cups, and clamshells. We run pilot forming trials and validate recyclability.
Paper based packagingPaper and paperboard structures replacing plastic. The barrier coating is the critical variable for both performance and recyclability.
Fiber based packagingPackaging whose primary material is cellulose fibre. The PPWR-favoured category, if the coatings and additives allow fibre recovery.
Mono material packagingSingle-material-class packaging recyclable in one stream. We validate barrier and seal performance without multi-layer construction.
Paper bottleFibre-based bottle structures — an emerging PPWR-aligned format. We test formability, barrier, and recyclability before tooling.
Barrier coating paperThe critical variable for fibre-based food packaging. Coatings must provide barrier without preventing fibre recovery. We test the trade-off.
Plastic packaging alternativesThe broad substitution space — fibre-based, mono-material, moulded fibre. The right alternative depends on product requirements, all testable on a pilot line.
Questions

Fibre-based packaging alternatives — explained.

What they are, what works, and how to prove them before you commit.

What are sustainable packaging materials?

Sustainable packaging materials are packaging substrates designed to reduce environmental impact — through recyclability, recycled content, renewable feedstocks, or reduced material use. Under EU PPWR, the defining criterion is recyclability: packaging must be recoverable in existing collection and sorting systems. For most applications, this means a shift from multi-layer plastic to fibre-based or mono-material packaging.

What is circular packaging?

Circular packaging is designed to stay in the material loop — recycled back into new packaging or other products, rather than landfilled or incinerated. Under PPWR, circularity means meeting design for recycling criteria and contributing to recycled content targets. Fibre-based packaging is naturally circular when its coatings and additives allow fibre recovery in a standard paper mill.

What is paperization?

Paperization is the industry shift from plastic to paper-based packaging — driven by PPWR compliance, EPR fee differentials, and brand sustainability commitments. It spans flexible packaging, trays, bottles, and secondary packaging. The challenge is matching plastic's barrier and runnability performance with fibre-based structures — which is what Ikigaia's pilot line tests before a brand or producer commits.

What are the best plastic packaging alternatives?

For most food and consumer goods applications, the viable alternatives are: moulded fibre for trays and clamshells, paper-based structures with barrier coatings for flexible packaging, mono-material polyolefins where plastic is still needed but recyclability is required, and fibre-based bottles for beverages. The right alternative depends on the product's barrier, shelf life, and filling-line requirements — all testable on a pilot line.

What is mono-material packaging?

Mono-material packaging is made from a single material class — all-polyolefin films, all-fibre structures, or all-PET — so it is recyclable in a single standard stream. PPWR rewards it because it simplifies sorting and recovery. The engineering challenge is achieving barrier and seal performance without the multi-layer constructions that make recycling impossible.

How do you test fibre-based packaging before switching?

On a pilot line. Ikigaia runs pulping, forming, and barrier-coating trials at pilot scale, then tests the result in an in-house ISO/TAPPI lab — strength, barrier, and recyclability. The point is to validate the alternative before tooling investment, supply chain commitment, or a line conversion. A pilot trial costs a fraction of a wrong material switch.

Switching from plastic to fibre? Prove it first.

A pilot trial on our line costs a fraction of a wrong material switch.