J-Flex – for custom made, precision engineered vulcanised joined cord rings in premium grade elastomers for sealing.


Whatever your requirements, industrial rubber specialist J-Flex can help with vulcanised joined cord rings that are ideal for sealing exterior lighting, security equipment, control boxes and filtration equipment. In fact any items that need to withstand the elements, wind, rain, cold weather, hot weather and more.

  • Viton™ joined rings
  • Silicone cord joined rings
  • Nitrile rings
  • EPDM rings
  • Neoprene joined rings

Sponge materials are also available to fill uneven gaps and misalignments.

Vulcanised rings have no upper restrictions on inside diameter.

On larger joints we can achieve tight dimensional tolerances.

The minimum inside diameter limit is 100mm and cross section diameters range from 3mm to 30mm.

Whatever the size of vulcanised joined ring you require, we can generally help.

In addition we supply Boiler Joints; Packings and Corrugated Metal Gaskets. Any of these fabricated components can be made to your specific requirements.

Need more information? In the Downloads section, you’ll find our latest brochures and flyers. 

Viton™ is a Registered Trademark of The Chemours Company.

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.