CleanFlake technology from Avery Dennison Corp. - label that lets PET bottles be recycled more easily
24.06.2026 - 02:19:27 | ad-hoc-news.de
Reviewed: ad hoc news Classics & Longseller desk. Edited and checked on 2026-06-24, 02:17. Details in the imprint.
CleanFlake technology from Avery Dennison Corp. sounds abstract until you hold a PET bottle with the label between your fingers and imagine it vanishing in the recycling wash. The label stays firmly on the shelf, but lets go in the sink. That is the trick.
How CleanFlake is designed
CleanFlake is a pressure-sensitive label solution developed so that its adhesive releases from PET flakes during standard hot caustic wash steps in bottle recycling. The idea is simple: keep the label on through the product life, then let it float away from the plastic at the recycler.
The construction typically combines a face material, a special wash-off adhesive and a PET-compatible liner. The adhesive is tuned to lose its grip at around the temperatures and conditions used in European and North American PET recycling lines, not at room temperature on the store shelf.
What recyclers get out of it
In a conventional stream, labels and adhesives can stick to shredded PET and cloud the recycled pellets. Recyclers then either downgrade the material or spend more to clean it. CleanFlake aims to separate cleanly so the flakes stay clear and can go back into higher-grade bottles.
Plant managers describe a satisfying moment when washed flakes run from the centrifuge looking almost glassy, while label fragments float off into a different fraction. That visual separation is the core promise of this technology and the reason it keeps showing up in sustainability roadmaps.
Background on Avery Dennison shares
Solutions like CleanFlake sit at the intersection of packaging compliance, brand design and recycling economics, making Avery Dennison a recurring name in circular-economy discussions.
Why brands care about the label
Brand owners face stricter rules on recycled content and design for recyclability, especially in Europe and parts of North America. A label that behaves predictably at end of life helps packaging engineers tick both regulatory and internal sustainability boxes without tearing up existing bottle designs.
In internal workshops, packaging managers often peel sample labels off prototype bottles, dunk them into warm test baths and watch what happens. When CleanFlake labels float free while the PET sinks cleanly, it gives them a concrete story to take back to procurement and sustainability teams.
How it feels in everyday use
On shelf, a CleanFlake label does not advertise its recyclability. It feels like a regular, smooth pressure-sensitive label when you run a thumb over the edge of a chilled soda bottle. Adhesion is firm, with no easy corner lift, even on slightly wet surfaces.
Consumers typically only notice the difference at home if they habitually soak bottles before sorting. Where standard labels can leave a gummy ring, CleanFlake is engineered so that the label and adhesive separate more readily under hot alkaline conditions at industrial scale, not in the kitchen sink.
Engineer voices from within Avery Dennison
When Avery Dennison packaging engineers talk about CleanFlake at conferences, they like to show before-and-after images of PET flakes. One slide shows greyish, label-contaminated chips; the next shows clearer flakes after a CleanFlake-compatible run, underscoring the role of the label in the chain.
Chief executive Mitch Butier has repeatedly highlighted label materials as a lever for circularity in investor presentations, and CleanFlake is one of the examples used to illustrate how a seemingly small component can unlock higher-value recycling streams.
Regulatory and market backdrop
Across the EU, producers are facing mandatory recycled-content targets for PET beverage bottles in the coming years. That creates a growing premium for clean, food-grade rPET, and any material that complicates washing and sorting is under pressure to adapt or disappear.
Design-for-recycling guidelines from industry alliances and some national regulators already call out wash-off labels and specific adhesive behaviors as preferred features. CleanFlake fits neatly into those checklists, which helps explain its adoption in both mass-market drinks and premium water brands.
Where CleanFlake is used
CleanFlake is not tied to a single retail label; instead, it shows up across beverage, home-care and personal-care packaging. That cross-category presence means the technology has to accommodate different bottle shapes, label sizes and print finishes without losing its recycling-friendly behavior.
The construction can be paired with clear or white films and with different printing technologies, so converters have room to offer brand owners the usual visual effects. The technical constraint is invisible to shoppers, which is part of the selling point for marketing teams.
Limits and trade-offs
CleanFlake is tailored for PET, so it does not solve design-for-recycling challenges on every plastic type. For HDPE or polypropylene bottles, different label constructions and removal behaviors may be more appropriate, depending on local recycling practices.
For converters and brands, switching to CleanFlake can mean revisiting specifications, running line trials and validating compatibility with existing application equipment. Those steps cost time and money, so uptake depends on how strongly regulators, retailers and corporate sustainability goals push in this direction.
Company context and share listing
CleanFlake sits within Avery Dennison's broader Materials Group, which designs films, papers and adhesives for packaging, logistics and industrial labels. It illustrates how the company ties incremental materials science to larger themes like circular packaging and resource efficiency for global brand owners.
Avery Dennison shares (ISIN US0536111091) are listed on the New York Stock Exchange, providing investors with access to a label and materials specialist whose technologies, including CleanFlake, are closely watched as packaging rules tighten worldwide.
Key facts on CleanFlake
- Product: CleanFlake technology
- Manufacturer: Avery Dennison Corporation
- Category: Classic/Longseller label material solution
- Launch: Around the early 2010s, expanded in subsequent years
- RRP / Price: Contract-based pricing for converters and brand owners
- Availability: Available through Avery Dennison and its converter network in key PET packaging regions
- Target group: Beverage, home-care and personal-care brands using PET bottles
- Highlight / USP: Label adhesive that releases during PET recycling, supporting higher-quality rPET streams
This article was AI-assisted and editorially reviewed. Product information without guarantee; prices and availability may change at short notice. No investment advice, no buy or sell recommendation. Stock-market transactions involve risks up to total loss.
