Material Brochures & Technical Data Sheets
Access official Harltex resources of rubber material brochures and technical data sheets covering WRAS-approved EPDM, FKM VIT700 Fluoroelastomers and EN682 Gas NBR compounds. Each PDF includes detailed mechanical properties, temperature ranges, chemical resistance data and compliance certifications to support accurate Material selection in demanding engineering applications.
These specifications support our Rubber Extrusion, Rubber Moulding and Sealing Systems manufacturing capabilities.
• EPDM EPW70 – WRAS-certified for potable water applications up to 65°C
• FKM VIT700 – High-temperature chemical resistance up to 200°C (intermittent 250°C)
• EN682 Gas NBR – 70 IRHD – Oil and fuel resistant nitrile compound for gas and industrial systems
WRAS Approved EPDM – EPW70
WRAS-certified EPDM compliant with BS 6920 for potable water use up to 65°C. Includes hardness (IRHD), tensile strength, elongation, compression set, ageing, ozone resistance and water immersion test data to support regulatory compliance in drinking water systems.
Commonly specified for potable water seals and gaskets used in our Rubber Extrusion manufacturing and Custom Moulded Rubber Components services.
PDF | WRAS Approved | Potable Water Certified
FKM Materials VIT700
High-performance FKM fluoroelastomer engineered for aggressive, high-temperature environments from –20°C to 200°C (intermittent to 250°C). Includes ASTM mechanical data, compression set at 200°C, fuel immersion results and ozone resistance for aerospace, automotive and chemical processing applications.
Frequently selected for high-temperature applications within our Engineered Rubber Extrusions and Industrial Sealing Solutions.
PDF | ASTM Tested | High Temperature Elastomer
EN682 Gas NBR – 70 IRHD
High-performance nitrile rubber suitable for EN682 gas applications, offering oil, fuel and hydrocarbon resistance from –30°C to +120°C. Includes ISO mechanical, compression set, ageing, liquid immersion and ozone test data for reliable sealing in gas and industrial systems.
Suitable for gas infrastructure and industrial systems manufactured through our Rubber Extrusion processes.
PDF | EN682 Compliant | Oil & Fuel Resistant
These resources support engineers, procurement teams and compliance managers across water systems, gas infrastructure, aerospace, automotive, energy and industrial processing sectors.
Ensure confident rubber material selection using fully tested, standards-compliant elastomer compound specifications and technical data.
For related products and applications, see our Sealing Systems, Formed Hose & Tubing and Pipe Seals pages.
Frequently Asked Questions
What rubber is approved for potable water?
WRAS-certified EPDM EPW70 is compliant with BS 6920 for potable water applications up to 65°C.
What material is best for high-temperature chemical exposure?
FKM VIT700 provides resistance up to 200°C and performs reliably in chemically aggressive environments.
Is NBR suitable for gas and fuel systems?
Yes. EN682 Gas NBR offers proven oil and hydrocarbon resistance for gas and industrial sealing applications.
What technical data should I consider when selecting a rubber compound?
When comparing elastomers, consider hardness (IRHD/Shore A), temperature range, chemical resistance, compression set, ageing and compliance standards such as WRAS or EN682.
For the latest certification updates and material developments, visit our News Section
Latest News & Updates
Stay up to date with the latest Harltex news, product developments, certifications and industry insights. Visit our News section to see recent updates, technical articles and company announcements.













