Curved surfaces.
Transparent materials.
Low surface energy plastics such as COC, COP, and glass.

This is where product identification becomes a real challenge.

And yet, in pharmaceutical applications like pre-filled syringes, traceability cannot be an afterthought.
It must start at the very beginning of the process — directly on the product itself.

QR codes offer a powerful solution.
But only if they actually work in real production conditions.

In theory, many approaches look promising.
In practice, most fail where it matters most: readability and consistency.

We tested different approaches.

Some looked perfect —
but failed to scan.

Others seemed acceptable —
yet still didn’t deliver reliable readability across batches.

Because in pharmaceutical environments, “almost readable” is not enough.
Codes must work — every time, under all conditions.

The real challenge: surface and process

Prefilled syringes combine several difficult characteristics:

• curved geometries
• transparent or reflective materials
• low surface energy plastics (COC, COP)
• strict regulatory and validation requirements

These factors directly impact ink adhesion, contrast, and ultimately scanner performance.

A different approach to identification

To overcome these challenges, we developed a process-focused solution that goes beyond marking.

✔ reliable marking on complex surfaces
✔ consistent, first-pass readability
✔ stable performance across batches
✔ suitable for GMP and validated environments

The key is not just the code itself —
but the control of the entire printing process.

From marking to meaningful data access

When applied directly on pre-filled syringes, QR codes can do more than ensure traceability.

They become a gateway to information:

• product and batch data
• authentication and anti-counterfeiting
• usage instructions
• digital leaflets

Accessible to both patients and healthcare professionals (HCPs).

In the end, it’s not about marking.

It’s about identification that works in real conditions.

Because in pharmaceutical manufacturing,
reliability is not a feature —
it’s a requirement.

Curious to explore what’s possible?
Let’s talk.