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BORFLEX®: a new milestone in the pursuit of quality and performance.
INTRODUCTION
At the SIFER 2025 trade fair, BORFLEX® REX, a company within the BORFLEX® Group and a specialist in bespoke elastomer solutions, announces the renewal of its IRIS Rev. 04 / ISO 22163:2023, an international standard recognised throughout the rail industry. This official recognition confirms the company’s commitment to impeccable quality and rigorous standards, serving the needs of the rail sector.
1. A mark of confidence for the entire sector
Backed by UNIFE (the Union of European Railway Industries), this certification has now become a genuine mark of trust between suppliers and clients. By choosing an IRIS-certified partner, rail manufacturers know they are working with a reliable, well-organised organisation committed to continuous improvement.

2. Unqualified re-approval, reflecting operational excellence
BORFLEX® REX is one of the first companies to have been certified to the latest version of the standard. This recertification follows an audit which highlighted the excellence of our quality practices, demonstrating the robustness of the quality system in place and the commitment of teams at all levels of the organisation.
3. Strategic recognition to support European development
This certification enables BORFLEX® to consolidate its position in the European market. It enhances the company’s visibility amongst major clients, whilst facilitating access to new international projects.
4. Railway expertise supported by the entire BORFLEX® Group
Whilst this certification relates specifically to BORFLEX® REX, it forms part of a broader commitment to quality and innovation driven by the entire BORFLEX® Group.
Other entities within the group, such as BORFLEX® Lille, which manufactures technical seals and bellows, or BORFLEX® Composites, a specialist in composite railway profiles (guide bars, third rails, the RUBBY system…), also actively contribute to the performance of the European rail sector.
This synergy between the sites enables the BORFLEX® Group to offer a comprehensive, technical and reliable solution to the challenges facing the rail market, whilst making the most of each entity’s complementary areas of expertise.

5. Come and visit us at the SIFER 2025 exhibition – Stand 2-351
The BORFLEX® Group will be exhibiting at the SIFER 2025 trade fair, stand 2-351, to showcase a wide range of components developed for railway infrastructure and rolling stock. This is an opportunity to discover practical, reliable and high-performance solutions designed to meet the challenges facing the rail sector today and in the future.
“Our priority remains the same: to provide our customers with reliable, high-performance and sustainable solutions. This certification attests not only to our expertise, but also to our ability to adapt to the ever-changing demands of the rail sector.”
CONCLUSION
A collective drive to shape the future
of mobility Through this new milestone achieved by BORFLEX® REX and the complementary expertise of its other entities, the BORFLEX® Group reaffirms its commitment to working alongside the rail industry. With a firm focus on innovation, quality and customer satisfaction, the group is doing everything in its power to support the sector’s development and actively contribute to safer, more reliable and more sustainable transport.