O-Rings − Vulcanised Joined Rings

O-Rings − Vulcanised Joined Rings

Whatever your requirements, industrial rubber specialist J-Flex can help with vulcanised joined cord rings (o-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 O-ring / vulcanised joined ring you require, we can usually help.
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Other Products and Services from J-Flex Rubber Products

Food, Drink & Pharmaceutical

Food, Drink & Pharmaceutical

Our safe silicone sheeting provides a high quality safe and reliable product that is an ideal solution for the manufacturing processes in the food, drinks and pharmaceutical industries.

J-Flex silicone sheeting products are independently tested and comply with the requirements issued by the US FDA, German BfR as well as EC Food Safety regulations.

By complying with the above regulations and authorities, J-Flex food grade silicone rubber sheeting offers the reassurance that it does not contain any of the banned substances that some lower quality products on the market do.
Silicone Sheeting

Silicone Sheeting

J-Flex: your complete source for specialist silicone sheetings.
J-Flex enjoys an industry wide reputation as the market leader for specialist sheet rubber products, which include:
• Red, White, Black, Blue & Translucent 60° Shore FDA Compliant Silicone Sheets, with 30, 40, 50 70, 80º also being available.
• Blue Metal Detectable Silicone Sheeting
• Platinum Cured Silicone
• Silicone Sponge Sheetings
• Translucent FDA Compliant Silicone with one side Knitted Polyester


Note: all of the above sheetings are properly manufactured from approved ingredients; cured and additionally post cured to meet FDA compliance requirements. In addition J-Flex Silicone Products are fully compliant to the REACH Substances of Very High Concern (SVHC), RoHS and EC 1935/2004.

With our expertise in industrial rubber sheet products we also offer:
• Red / Glassfibre Insertion Sheet
• White Standard Density Silicone Sponge
• Cured Silicone / Glassfibre Composite Sheets


In addition we can offer other grades, hardnesses and colours, calendered or moulded in sheet form, such as:
• Flame Retardant in accordance with UL 94 V(0) & V(1)
• Low Smoke Low Toxic for mass transport − tested & certified to EN 45545-2
• Carbon Loaded Conductive Grade
• “Ministry” Specifications
Custom Cut Gaskets

Custom Cut Gaskets

J-Flex is the comprehensive source for all your custom cut gaskets requirements, whether you need small, medium or large volumes. Whatever your requirements, we can help with a superb range of die-cut and digital flatbed cut rubber gaskets.

Our press cutting of gaskets and geometric shapes are generally in soft engineering, non-metallic materials - including:
• Natural and Synthetic Rubbers
• Rubber Insertions and Diaphragm Materials
• Non-Asbestos Jointings
• Vulcanised Fibre
• Bonded Cork
• P.T.F.E. (Polytetrafluoroethylene)
• Felt
• Ceramic Papers and Jointings
• Silicone gaskets
• Viton™ gaskets
• By using non-metallic materials, our die cut rubber gaskets are anti-corrosion gaskets as standard.


Whatever the size of gasket you require, we can usually help.

In addition we supply large Vulcanised ‘O’ Rings; Boiler Joints; Packings and Corrugated Metal Gaskets. All can be made to your specific requirements quickly and efficiently.
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J-Flex Rubber Products

Units 1 & 2, London Road Business Park, Retford, Nottinghamshire, DN22 6HG, United Kingdom

J-Flex Rubber Products offers a wide range of products for all industries. Rubber Mouldings, Extrusions and Fabrications (including Gaskets, Sleeves, Inflatable Seals, Bellows, Expansion Joints & Vulcanised Joined O Rings). Also, Specialist Rubber Sheetings including Viton™ and FKM, Viton™ Sponge, EPDM, Diaphragm & Thin Gauge sheeting plus Food Safe, Metal Detectable, Electrically Conductive, Fire Retardant and other Silicone Sheetings and Sponges. Finally, our Vacuum Forming Materials such as membranes are widely used widely used in the Solar Industry alongside Furniture Lamination, Aerospace, Formula 1 and Marine applications.