J-Flex – your complete source for flame retardant, low smoke, low toxic elastomer materials for rail.


At J-Flex, we know the importance of fire safety.

Following the introduction of European Standard EN45545:2013 + A1:2015, J-Flex has worked with a leading European compound supplier to develop a range of products that meet the requirements of this norm.

We have also protected our material with an intellectual property registration and our material is marketed under the brand name, Railflex®.

As part of our commitment to the railway industry we have developed a white paper to help professionals involved in purchasing, engineering and designing of original equipment or refurbishing of existing rail and mass transit equipment gain a clear insight into what can be achieved with elastomeric materials for this market. Download your copy ‘A Guide to Low Smoke, Low Toxic Rubber Materials certified to EN 45545-2:2013 + A1:2015’ here.

Our reputation is firmly based on excellent customer service, exceptional product quality and second-to-none technical expertise – proven over 30 years.

J-Flex – where “specials” are standard and this has been the compelling case throughout our proud history.

Contact us on +44 1777 712 400 – we are happy to discuss your specific needs in detail.

Railflex® is a registered trademark of J-Flex.

Why buy from J-Flex?

If you are looking for a friendly and helpful industrial rubber products supplier with great product knowledge and excellent customer service, then you’ve come to the right place.

We supply a vast range of quality items including rubber sheet and an array of fabrications made from premium grade elastomers including silicone and Viton™ – many of which are available for next day delivery.