# Bio-barrier films Flexible packaging films and laminates that replace plastic barrier layers with compostable or bio-based materials — plant-oil polyesters, plant-protein soluble films, wood-cellulose bioplastic — sold by materials producers (TIPA, Xampla, Sulapac, Woodly) as a distinct standalone-film layer from edible or invisible produce coatings already covered on this site. Source: https://en.bioecon.ru/technology/bio-barrier-films/ Updated: 2026-08-18 ## Overview and value chain Markers: [EC: EU REACH substance registration | OECD: Bio-based materials | Regulator: FDA (USA)] Bio-barrier films replace conventional plastic film and laminate layers in flexible packaging with compostable or bio-based alternatives, engineered to hold the same oxygen, moisture and grease barrier performance that made plastic film the default packaging material. This is a distinct product layer from edible or invisible coatings applied directly to fresh produce (Apeel, Mori, Notpla's food-container coating, already covered elsewhere on this site) — bio-barrier films are standalone flexible substrates and laminates sold to packaging converters, not a thin functional layer sprayed or dipped onto the product itself. The four producers confirmed here differentiate on base chemistry: TIPA's home-compostable film technology, Xampla's plant-protein Morro materials spanning soluble, coating and edible formats, Sulapac's wood-containing bio-based extrusion materials, and Woodly's patented wood-cellulose bioplastic engineered for optical clarity matching conventional plastic film. The key directions of bio-barrier films are: 1. **Home-compostable laminate films:** flexible films and laminates engineered to compost under home conditions (roughly 180 days) rather than requiring industrial composting infrastructure, targeting lidding, lamination and metallized barrier applications. 2. **Plant-protein soluble and coating films:** films built on plant-protein chemistry offering multiple formats (soluble film, barrier coating, edible film) from a shared material platform, replacing PVOH and PFAS in different packaging contexts. 3. **Wood-containing extrusion materials:** bio-based materials incorporating wood content, processable through conventional extrusion and thermoforming equipment for compacts, sheets and 3D-printing applications. 4. **Transparent wood-cellulose bioplastic:** wood-cellulose-derived bioplastic engineered specifically for optical clarity, matching conventional clear plastic film's appearance for fresh-food packaging applications where visibility matters. ### Sectoral value chain ``` [Bio-Feedstock Sourcing] ──> [Polymer/Film Formulation] ──> [Film Production & Lamination] ──> [Retail & Direct Sale] │ (Barrier & Compostability Testing) │ ▼ [Converter/Brand Use] ``` ### Value chain levels | Level | Description | Key inputs/outputs | |:---|:---|:---| | **Bio-feedstock sourcing** | Sourcing the base bio-feedstock — plant oil, plant protein, wood cellulose — for film production. | **In:** Plant oil, plant protein or wood cellulose feedstock.
**Out:** Formulation-ready bio-polymer material. | | **Polymer/film formulation** | Formulating the bio-feedstock into a film-grade polymer or coating formulation with target barrier properties. | **In:** Bio-polymer material.
**Out:** Film-grade formulation. | | **Film production and lamination** | Extruding, casting or coating the formulation into finished film, and laminating where a multi-layer structure is required. | **In:** Film-grade formulation.
**Out:** Finished film or laminate. | | **Barrier and compostability testing** | Testing the finished film's oxygen/moisture barrier performance and compostability under home or industrial conditions. | **In:** Finished film.
**Out:** Substantiated barrier and compostability specifications. | | **Retail and direct sale** | Selling finished film or laminate to packaging converters and brand owners as a B2B material input. | **In:** Tested film.
**Out:** B2B sale to packaging manufacturers. | | **Converter/brand use** | Converting the film into finished packaging (pouches, lidding, wraps) and using it to package products through distribution and shelf life. | **In:** Finished film.
**Out:** Packaged product, followed by compostable disposal. | Cross-cutting technologies of the sector: - **Home-compostable polymer chemistry:** film formulations engineered to break down under home composting conditions rather than requiring industrial composting facility access, a stricter and more consumer-accessible standard. - **Multi-format plant-protein platforms:** a single base material chemistry (plant protein) formulated into soluble film, barrier coating and edible film variants for different packaging contexts from one shared technology base. - **Optical-clarity bioplastic engineering:** formulating a bio-based polymer specifically to match conventional clear plastic film's transparency, since visibility matters for fresh-produce packaging where consumers expect to see the product. --- ## US No US producer of bio-barrier films was confirmed with own-domain backing this screen — the four confirmed producers are headquartered in Israel, the UK and Finland, and no US-headquartered candidate was verified during this pass. ### No confirmed US producer this screen - **Evidence gap, not an absence claim:** without a screened and verified US-headquartered bio-barrier-film producer, none is listed here — a candidate for a future enrichment pass. --- ## CN China's presence in bio-barrier films did not surface a confirmed producer this screen — search results returned wholesale and OEM marketplace listings and industry-directory pages for biodegradable packaging film, but no own-domain brand or B2B producer confirming a specific bio-barrier-film product line. ### No confirmed domestic producer this screen - **Evidence gap, not an absence claim:** without an own-domain page confirming a specific Chinese manufacturer's bio-barrier-film product line, none is listed here — a candidate for a future enrichment pass. --- ## EU Europe hosts three of the four producers confirmed this screen, spanning plant-protein multi-format films, wood-containing extrusion materials and transparent wood-cellulose bioplastic. ### Plant-protein, wood-based and transparent bioplastic barrier films - **Xampla:** produces Morro materials, a plant-protein platform spanning soluble film (replacing PVOH in dishwasher and laundry pods), barrier coating for paper packaging, and edible film for single-use sachets like stock cubes. - **Sulapac:** produces wood-containing, bio-based extrusion materials including a dedicated Barrier line for water-based emulsion packaging, alongside thermoforming and 3D-printing material grades. - **Woodly:** produces a patented wood-cellulose bioplastic engineered for optical clarity, used in fresh-food packaging, films, wraps and trays, with independent RECOUP assessment confirming UK mechanical-recycling readiness. TIPA (Israel) is a fourth confirmed producer that falls outside the US/CN/EU section structure: it produces home-compostable high-barrier laminate films for lamination, lidding and metallized barrier applications, composting within roughly 180 days under proper conditions. It is carried in the Leading Companies table below. --- ## Leading companies and research institutes | Company / Institute | Country | Key products / platforms | Tech features | Status 2026 | |:---|:---|:---|:---|:---| | **TIPA** | 🇮🇱 Israel | *Home-compostable laminate films* | ~180-day home compostability, metallized barrier grades | commercial | | **Xampla** | 🇬🇧 UK | *Morro soluble film, coating, edible film* | Plant-protein multi-format platform | commercial | | **Sulapac** | 🇫🇮 Finland | *Sulapac Barrier, Flow extrusion materials* | Wood-containing bio-based extrusion material | commercial | | **Woodly** | 🇫🇮 Finland | *Woodly wood-cellulose bioplastic* | Optical clarity matching conventional plastic film | commercial | --- ## Tech stack and innovations The stack spans distinct base chemistries — home-compostable polyester-type films, plant-protein platforms, and wood-cellulose bioplastics — unified by the shared engineering goal of matching conventional plastic film's barrier and handling performance. 1. **Home-Compostable Chemistry as a Stricter Standard:** - TIPA's films are engineered to compost under home conditions within roughly 180 days, a stricter and more consumer-accessible standard than industrial-composting-only bioplastics that require facility access most consumers don't have. - This home-compostability engineering is a specific technical achievement distinct from simply using a bio-based feedstock — many bio-based plastics still require industrial composting infrastructure to break down. 2. **Single-Platform Multi-Format Engineering:** - Xampla's Morro platform reformulates the same base plant-protein chemistry into soluble film, barrier coating and edible film variants, letting one material technology address multiple packaging contexts rather than developing separate chemistries for each. - This platform approach is a capital-efficient strategy for a materials company — R&D investment in the base chemistry pays off across multiple product formats rather than a single application. 3. **Optical Clarity as a Specific Engineering Target:** - Woodly's wood-cellulose bioplastic is specifically engineered for transparency matching conventional clear plastic film, addressing a technical challenge that many bio-based alternatives don't solve — most bio-based films default to an opaque or translucent appearance. - This clarity engineering matters commercially because fresh-produce packaging conventionally uses clear film so consumers can see the product, a functional requirement bio-based alternatives must meet rather than a purely aesthetic preference. --- ## Value chains and production pipelines ### Industrial pipeline of a bio-barrier-films product line ``` ┌───────────────────────────┐ ┌───────────────────────────┐ │ 1. Bio-Feedstock Sourcing │ ───> │ 2. Polymer/Film Formulation│ └───────────────────────────┘ └───────────────────────────┘ │ ▼ ┌───────────────────────────┐ ┌───────────────────────────┐ │ 4. Barrier/Compost Testing │ <─── │ 3. Film Production & Lam. │ └───────────────────────────┘ └───────────────────────────┘ │ ▼ ┌───────────────────────────┐ ┌───────────────────────────┐ │ 5. Retail & Direct Sale │ ───> │ 6. Converter/Brand Use │ └───────────────────────────┘ └───────────────────────────┘ ``` #### Stage 1: Bio-feedstock sourcing Plant oil, plant protein or wood cellulose is sourced as the base bio-feedstock, setting the film's fundamental chemistry before formulation begins. #### Stage 2: Polymer/film formulation The bio-feedstock is formulated into a film-grade polymer or coating formulation engineered for target barrier properties, the stage where the four producers diverge most in base chemistry. #### Stage 3: Film production and lamination The formulation is extruded, cast or coated into finished film, with lamination applied where a multi-layer structure is required for combined barrier properties. #### Stage 4: Barrier and compostability testing The finished film is tested for oxygen and moisture barrier performance and compostability under home or industrial conditions, substantiating the specifications packaging converters require. #### Stage 5: Retail and direct sale Tested film or laminate is sold to packaging converters and brand owners as a B2B material input, competing on barrier performance, compostability standard and optical properties. #### Stage 6: Converter/brand use The film is converted into finished packaging — pouches, lidding, wraps — and used to package products through distribution and shelf life, then composted or recycled according to its specific end-of-life pathway.