Elastomer Technology
Elastomers - Oil and Gas - Vermilion and legacy materials
Our high performance fluoroelastomer (FKM), hydrogenated nitrile (HNBR) and Aflas based (FEPM) elastomers are specified worldwide by customers who need top quality materials that are validated and proven to operate...
- At extremes of temperature.
- Under rapid gas decompression (RGD) conditions.
- In chemically aggressive and abrasive environments.
- To tight performance specifications.
- Where failure could have significant health and safety,
environmental or financial implications.
Read our elastomers product guide for the oil and gas industry
Expert to expert
James Walker is recognised for its expertise in material selection and development. The following pages offer initial advice on what to consider when choosing a material to suit your specific application, but nothing beats discussing your options directly with a member of the materials or application engineering team. Contact your local James Walker company for further information.
Low temperature performance
Rapid gas decompression
Chemical resistance
RGD, sour and extrusion resistance
Capability confirmed down to -33°C (-27°F) in product
configured testing.
Vermilion Seven is a next generation enhanced performance development of James Walker’s industry leading Elast-O-Lion material. An hydrogenated nitrile (HNBR) material offering excellent rapid gas decompression (RGD) resistance at elevated temperature and good resistance to sour conditions combined with outstanding physical robustness and improved extrusion resistance.
Ultra low temperature
Capability confirmed down to -60°C (-76°F) in product configured testing.
Vermilion One is a fluoroelastomer (FKM) with ultra-low temperature capability and excellent methanol resistance.
Providing excellent H2S resistance and typical FKM tolerance of aromatics and hot water, this material also offers good resistance to rapid gas decompression (RGD).
Approvals:
- Norsok M-710 Annex A ISO 23936-2 ‘sour’
- Norsok M-710 Annex B ISO 23936-2
- API 6A FF/HH ISO 10423 ‘sour’
- Total GS EP PVV 154/156
Methanol resistance
Capability confirmed down to -46°C (-51°F) in product configured testing.
Vermilion Two is a fluoroelastomer (FKM) with excellent resistance to methanol, H2S and rapid gas decompression (RGD), providing good low temperature performance and the typical FKM tolerance of aromatics and hot water plus inherent extrusion resistance.
Approvals:
- Norsok M-710 Annex A ISO 23936-2 ‘sour’
- Norsok M-710 Annex B ISO 23936-2
- API 6A FF/HH ISO 10423 ‘sour’
- Total GS EP PVV 154/156
RGD at high temperatures
Capability confirmed down to -46°C (-51°F) in product configured testing.
Vermilion Three is a next generation enhanced performance development of James Walker’s industry leading FR 25/90 material.
A fluoroelastomer (FKM) offering excellent temperature performance, resistance to H2S and rapid gas decompression (RGD) plus the typical FKM tolerance of aromatics and hot water.
The first and only elastomer Shell TAT approved to Shell MESC SPE 85/301.
Approvals:
- Norsok M-710 Annex A ISO 23936-2 ‘sour’
- Norsok M-710 Annex B ISO 23936-2
- API 6A FF/HH ISO 10423 ‘sour’
- NACE TMO187
- Shell MESC 85/301
RGD performance
Capability confirmed down to -46°C (-51°F) in product configured testing.
FR 25/90 is an excellent cost-effective general purpose fluoroelastomer (FKM) providing outstanding resistance to rapid gas decompression in addition to the resistance to H2S, aromatics and hot water typical of an FKM.
This low temperature material has now been superseded by Vermilion Three which provides enhanced RGD resistance at elevated temperatures.
Approvals:
- Norsok M-710 Annex A
- Norsok M-710 Annex B
- Total GS EP PVV 154/156
- NACE TMO187
RGD and sour
Capability confirmed down to -33°C (-27°F) in product configured testing.
Vermilion Four is a next generation development of James Walker’s industry leading FR 58/90 material with significant performance enhancement.
An excellent cost-effective general purpose fluoroelastomer (FKM) providing outstanding resistance to rapid gas decompression (RGD) at larger cross sections and higher temperatures, this material also provides excellent resistance to H2S plus the tolerance to aromatics and hot water typical of a peroxide cured FKM.
Approvals:
- Norsok M-710 Annex A ISO 23936-2 ‘sour’
- Norsok M-710 Annex B ISO 23936-2
- API 6A FF/HH ISO 10423 ‘sour’
- Total GS EP PVV 154/156
RGD performance
Capability confirmed down to -33°C (-27°F) in product configured testing.
FR 58/90 is a good cost-effective general purpose fluoroelastomer (FKM) providing excellent resistance to rapid gas decompression (RGD) at larger cross sections and higher temperatures, this material also provides the resistance to H2S and aromatics typical of an FKM.
The benchmark FKM for over 30 years, this material has now been superseded by the outstanding
performance of our next generation Vermilion Four material.
Approvals:
- Norsok M-710 Annex A
- Norsok M-710 Annex B
- Total GS EP PVV 154/156
- API 6A FF/HH ISO 10423 ‘sour’
Low temperature
Capability confirmed down to -55°C (-67°F) in product configured testing.
Vermilion Five is a next generation enhanced performance development of James Walker’s industry leading Elast-O-Lion 985 material.
This hydrogenated nitrile (HNBR) material offers excellent low temperature performance combined with good resistance to rapid gas decompression (RGD) and sour conditions.
Approvals:
- Norsok M-710 Annex A ISO 23936-2 ‘sour’
- Norsok M-710 Annex B ISO 23936-2
- API 6A FF/HH ISO 10423 ‘sour’
Low temperature
Capability confirmed down to -55°C (-67°F) in product configured testing.
Elast-O-Lion 985 is a general purpose hydrogenated nitrile (HNBR) with superior mechanical properties, excellent low temperature capability and outstanding abrasion resistance.
This grade has now been superseded by our Vermilion Five material which offers the same market leading low temperature capability combined with enhanced resistance to RGD.
Approvals:
- Total GS EP PVV 154/156
- API 6A FF/HH ISO 10423 ‘sour’
- Norsok M-710 Annex A
Chemical and RGD
Capability confirmed down to -15°C (+5°F) in product configured testing.
Vermilion Six is a next generation enhanced performance development of James Walker’s AF 69/90 material.
With typical characteristics of outstanding heat, amine, acid, H2S and hot water resistance, this Aflas material also provides good levels of resistance to rapid gas decompression (RGD).
Approvals:
- Norsok M-710 Annex A ISO 23936-2 ‘sour’
- Norsok M-710 Annex B ISO 23936-2
Chemical resistance
Capability confirmed down -15°C (+5°F) in product configured testing.
AF 69/90 is a robust Aflas based synthetic rubber with excellent resistance to steam, amines, bases, methanol and hydrogen sulphide plus oils and lubricants.
AF 69/90 is a first generation material regarded as a benchmark material of its type for many critical oil and gas applications.
Approvals:
- Norsok M-710 Annex A
RGD, sour and extrusion resistance
Capability confirmed down to -33°C (-27°F) in product configured testing.
Vermilion Seven is a next generation enhanced performance development of James Walker’s industry leading Elast-O-Lion 101 material.
An hydrogenated nitrile (HNBR) material offering excellent rapid gas decompression (RGD) resistance at elevated temperature and good resistance to sour conditions combined with outstanding physical robustness and improved extrusion resistance.
Approvals:
- Norsok M-710 Annex A ISO 23936-2 ‘sour’
- Norsok M-710 Annex B ISO 23936-2
- API 6A FF/HH ISO 10423 ‘sour’
Chemical and sour resistance
Capability confirmed down to -33°C (-27°F) in product configured testing.
An excellent cost-effective general purpose hydrogenated nitrile material (HNBR) providing excellent resistance to rapid gas decompression and abrasion.
Elast-O-Lion 101 is a first generation material developed over 35 years ago and still regarded as a benchmark material for many critical oil and gas applications.
Approvals:
- Norsok M-710 Annex A
- Norsok M-710 Annex B
- Total GS EP PVV 154/156
