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Can Rubber Freeze?
The technical answer is, no, rubber cannot freeze… .. however it does get hard and brittle. The scientific definition of to freeze involves a phase shift of liquid into solid forming crystals. This phase occurs...
Your preferred supply partner for rubber based products within technology-driven markets
Rubber Mouldings, Fabrications, Extrusions
Whether it’s large or small, one-off or bulk orders, off-the-shelf or custom-made – we provide a range of manufactured rubber components – including bespoke mouldings, extrusions and fabricated components.
Specialist Rubber Sheetings
Our extensive range of rubber sheetings, including sponge sheetings, will suit all your gasket needs – as well as providing optimal performance in many areas of industry where high performance is essential for demanding applications.
Vacuum Forming Consumables
J-Flex Vacuum Forming Materials provide superior performance in the Solar Panel industry and are also widely used in areas such as furniture lamination, aerospace, Formula 1 and marine applications, especially our industry leading Vac-Sil® membranes.
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Need Low Smoke, Low Toxicity, Fire Resistant materials?
We have an extensive range of unique elastomer materials for rail industry Surface, Sub-Surface, Tunnel, and Rolling Stock applications – all of which are tested & approved to EN45545-2 and many other certifications, including LUL S1085 compliance.
Supplying to industry leading companies such as
Why buy from J-Flex?
If you are looking for a friendly and helpful industrial rubber products supplier, with enviable product knowledge and excellent customer service, then you’ll find it in J-Flex. 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. Founded in 1984, we have amassed a wealth of experience and are the preferred supplier of industrial rubber products - providing engineered rubber components and specialist rubber sheetings you can trust. Whether you are looking for silicone sheets, rubber mouldings, gaskets, sleeves, extrusions, bellows, fabrications, rubber sealants or adhesives -including Viton™ sheets and sealants, J‑Flex can help. You'll find our Accreditations, Approvals, Certifications and Compliance information here.
Insights from our experts
Updated High Performance Sheetings Guide for 2022
This extremely useful and handy guide contains actual sample pieces of many of the specialist sheetings available from J-Flex – many of which are held in stock. To find out more and get your complimentary copy...
So, just what are Fluoroelastomers?
When you need a highly reliable and long-term elastomer, Fluoroelastomer (FKM) could be your ideal solution. Read on… Let’s first explain how this… becomes this… It’s a combination of...
Which Rubbers are Fire Resistant / Fire Retardant?
Fire Resistant Rubbers Many rubber materials can be specially compounded to be fire-resistant. Silicone, EPDM, Vamac® Ethylene Acrylic Elastomer, Neoprene, Natural Rubber & Nitrile can all be compounded with...
Let’s talk Website Evolution
Time moves on, business changes and technology advances – but how often do you actually update your website? I’m not talking changing some text here and there and a few images or even the occasional blog...
What is Nitrile / NBR Rubber?
So, what makes Nitrile Rubber (NBR) unique? Nitrile rubber, also known as NBR, Buna-N, and acrylonitrile butadiene rubber, is a synthetic rubber copolymer of acrylonitrile (ACN) and butadiene. Although its physical and...
What’s the difference between Silicon and Silicone?
Here’s a few Facts about ‘Silicon’ Silicon is a chemical element with the symbol Si and atomic number 14. It is a hard and brittle crystalline solid with a blue-grey metallic lustre and is a...
What is Shore Hardness? How is Rubber Hardness measured?
Shore (Durometer) Hardness is a measure of the resistance a material has to indentation. Named after its inventor, Albert Ferdinand Shore, Shore hardness offers different scales for measuring the solidity of different...
18 reasons to choose J-Flex for your FKM sheet requirements
Okay, here goes…. J-Flex is a member of the official Chemours Viton™ Licensee Program dedicated to sheet products: offering you the advantage of this experience. We really do understand Fluoroelastomer’s and we...
Latest resources for VAC-SIL® Smart Membranes
The VAC-SIL® Smart Membranes Comparison Chart (showing average cost per production cycle) and Samples Sheets are our latest support items to the VAC-SIL® range of quality membranes for vacuum forming. VAC-SIL® Quality...
Life Expectancy of Silicone Rubbers
Thermal Stability General purpose silicone’s physical properties are not adversely affected by prolonged exposure to temperatures from -60°C to +200°C. In addition, it can withstand intermittent exposure to even higher...
What is a Fluoroelastomer?
Fluoroelastomers (FKM/FPM) are fluorinated synthetic polymers designed for harsh environments including aggressive chemical and temperature applications. Definition Fluoroelastomers also known as fluorocarbon compounds...
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Need help?
Whilst our Resources section contains a wealth of information, we’re only too happy to hear from you with any questions.
Knowledge Share
As part of J-Flex’s ongoing mission to provide useful information on the industrial rubber industry, we are pleased to offer our comprehensive free Guides.
What’s Happening
In our regularly updated News/Blog, you will find a variety of News, Articles and Product related information. Take a look….
What’s Happening
In our regularly updated News/Blog, you will find a variety of News, Articles and Product related information.Take a look now…
J-Flex are a proud partner of the Official Chemours Viton™ Licensee Programme
Viton™ and any associated logo is a trademark or copyright of THE CHEMOURS COMPANY FC, LLC and used under license by Clockpress Ltd t/a J-Flex Rubber Products