3 Types of Real-World Digital Watermark Implementation in Packaging – Hidden Opportunities for Printers Between the 'Plastic Tax' and EU PPWR

“Digital Watermarking” is still a relatively unfamiliar term for printing factories. However, with the introduction of the PPWR (Packaging and Packaging Waste Regulation) by the EU in 2025, digital watermarking has transitioned from an “innovative technology” to a “compliance requirement.” PPWR has pushed printing factories to the forefront of three major compliance issues: recycling guidelines + plastic tax + compostability, and digital watermarking is the core tool for printing factories to address these three issues.

This article breaks down the real-world implementation of three types of digital watermarking: the commercial route of Digimarc in the US, the HolyGrail-2030 alliance agreement in Europe, and the regulatory requirements of the EU PPWR. Printing factories can identify key transformation opportunities from 2026 to 2028.

First Type: Digimarc Commercialization – Already Implemented in Fast-Moving Consumer Goods Packaging

Digimarc is a digital watermarking platform that began commercialization in 2024. Its core capability is to print invisible watermarks on the surface of packaging that can be scanned to identify product authenticity, recycling guidelines, and traceability information. In 2024, Coca-Cola, Nestlé, and L'Oréal piloted this in Europe, and in 2025, the scale expanded to 25 brands across 40+ countries.

Implementation status at the printing factory level:

• Equipment Compatibility: Digimarc watermarks require UV ink or special toner for printing; conventional inks cannot produce them. HP Indigo 100K / 120K series already support this, and Heidelberg Versafire series have also been adapted.
• Shared Cost: Each watermark costs 0.005-0.02 CNY, close to the cost of one QR code.
• Digital Content Capacity: A single watermark can carry 64-256 bits of encoding, containing “material category + recycling guidelines + brand code,” and scanning links to the brand's recycling website.

When printing factories receive Digimarc orders, they need to do 3 things:

• ★ Confirm model support: UV ink models or HP Indigo.
• ★ Customer data interface: The brand customer's Digimarc ID needs to be pre-entered.
• ★ Post-print watermark inspection: Use a 200 DPI scanner for 100% full inspection (starting price 5,000 CNY).

Second Type: HolyGrail-2030 Alliance – The Hidden Benefits of Printing Factories Joining the “Watermark Alliance”

HolyGrail-2030 is a “plastic packaging digital watermarking alliance” consisting of more than 100 companies in Europe (including brands, printing factories, and recyclers), aiming to fully deploy digital watermarking on a large scale in Europe by 2030.

The hidden benefits of this alliance for printing factories:

• Alliance Qualification: After joining, printing factories can be certified as “HolyGrail certified printing factories,” giving them priority in EU order bidding.
• Mutual Recognition Agreement: Watermark standards for different brands are not uniform; Aldi uses Digimarc, while Ahold Delhaize uses the HolyGrail standard; the alliance's “mutual recognition agreement” allows printing factories to meet the needs of multiple customers with a single watermark.
• Pilot Orders to Mass Production: In 2025, the alliance issued 23 pilot orders to printing factories, and from 2026, these 23 will all be upgraded to “alliance core suppliers,” securing long-term orders.

Steps for printing factories to join the HolyGrail alliance:

• ★ Step 1: Submit an application on the official website holy-grail-2030.eu.
• ★ Step 2: Undergo alliance qualification review (site equipment / quality system / ink compliance).
• ★ Step 3: Purchase a set of watermark scanning equipment (approximately 50,000-120,000 euros).
• ★ Step 4: Accept one alliance pilot order (usually 1,000-5,000 packages).

The initial investment for a medium-sized printing factory to join the alliance is about 300,000-800,000 CNY, which is cost-effective for printing factories with a large number of EU orders – this single qualification can increase the bidding power of a printing factory's EU orders by more than 30%.

Third Type: EU PPWR Mandatory Requirements – The “Non-Choice” for Printing Factories

The PPWR was officially passed in 2025 and will be gradually implemented from 2026. The two most critical points are:

• All plastic packaging must be identifiable before recycling: The identifiable methods include “digital watermark + barcode + RFID,” but watermarks are the most flexible.
• All packaging must have “recycling guidelines”: That is, the packaging must clearly tell consumers “which material and which recycling bin it should be put into.”

The three types of mandatory actions for printing factories under PPWR:

• Action 1: Engrave watermarks or barcodes on plastic packaging, and plastic packaging that cannot be identified will be banned from circulation in the EU from 2030.
• Action 2: Standardize the printing of recycling guidelines – no longer use vague terms like “recyclable,” but must use specific identifiers printed on the packaging by the printing factory.
• Action 3: Plastic tax grading – non-recyclable plastic packaging needs to pay a plastic tax of 0.8 euros/kg; identifiable + recyclable = tax 0.2 euros/kg; identifiable + 100% recyclable = tax 0 euros/kg.

The real accounting for printing factories facing PPWR: 10,000 50g plastic packaging exports to the EU, without watermark treatment = pay 4000 euros plastic tax; with watermark but failed recycling guideline review = pay 1000 euros; with watermark + passed = 0 tax. This is the hidden tax difference for one EU order of 10,000 packages, 5000-10000 euros.

Printing Factory's 2026-2028 Transformation Path

2026: Preparation Stage

• Join the HolyGrail-2030 alliance, undergo qualification review.
• Purchase one set of watermark scanning equipment (approximately 300,000-500,000 CNY second-hand/new).
• Communicate watermark pilot projects with 2-3 EU customers.

2027: Pilot Stage

• Accept one pilot order, produce 5,000-10,000 trial products.
• Practical training on watermark printing, scanning, and recycling guideline alignment.
• Establish “watermark printing factory” as a differentiated brand.

2028: Mass Production Stage

• Watermark orders account for 30-50% of total EU orders.
• Watermark orders are priced 15-25% higher than traditional orders (positive return on investment).
• Upgrade from OEM printing factory to “watermark integrated service provider.”

Three Hidden Opportunities for Printing Factories

Opportunity 1: The “first-mover advantage” of the earliest batch of watermark printing factories. EU watermark orders will grow from zero to hundreds of millions of packages from 2027 to 2028, and only a few printing factories are prepared. Printing factories that prepare half a year earlier will collectively enjoy the industry dividend in the second half of 2027.

Opportunity 2: The “sharing” possibility of watermark equipment. A set of watermark scanning equipment costs 300,000-500,000 CNY, and joint procurement by small and medium-sized printing factories can share the cost, which is the “equipment sharing” model that the HolyGrail alliance is already promoting. Several printing factories jointly purchase one set, with each bearing 100,000-150,000 CNY.

Opportunity 3: Upgrade from “printing” to “watermark data service.” Printing factories are no longer just printing boxes, but providing brand customers with three types of additional services: “watermark data loading + post-print scanning + digital watermark data archiving.” This is a new value-added service with a profit margin twice that of pure printing.

Three Steps for Printing Factories to Prepare Now

Step 1: Standardize the “recycling guidelines” icons on the packaging within the compliance framework. First use the existing “triangle cycle + number + letter code” icon, and transition to the PPWR-mandated watermark system. This is a gradual compliance, not “waiting for PPWR to be mandatory” to act.

Step 2: Add digital watermarking as a differentiated service point to the company website and quotation sheet. Even if you don't receive watermark orders, tell customers “we are preparing watermark capabilities,” so that brand customers remember you as a “future compatible” printing factory.

Step 3: Join the HolyGrail-2030 alliance, or pay attention to domestic counterpart alliances (the China Packaging Printing Alliance is also advancing a similar framework). The entry threshold is not high, but the hidden value is high.

Extended Reading

• 4 Real-World Forms of Intelligent Packaging
• 3 Real Impacts of CBAM Packaging Exported to the EU
• 3 Common Violation Cases of Packaging Enterprises