High-Performance Materials for Oil & Gas Applications
Material selection in oil and gas is a risk management decision as much as an engineering one. The wrong material in a wellhead seal, a pipeline bearing, or a downhole component does not just fail, it creates safety exposure, unplanned downtime, and intervention costs that dwarf the value of the original component.
Fluorocarbon's Fluorinoid® material register comprises over 500 grades of fluoropolymers, engineering plastics, and composite materials, operating across temperatures to over 300°C and qualified to the standards the industry requires. Our materials team supports engineers and procurement teams from initial specification through to production supply, helping to define the right grade for the specific operating environment before any commitment is made.
How High-Performance Polymers Enhance Oil & Gas Applications
High-performance polymers enhance upstream, midstream, and downstream operations by enabling performance that metals cannot deliver alone. In sealing, bearing, and wear applications across the full production lifecycle, they extend service life, reduce maintenance requirements, and improve operational reliability in environments where failure carries significant safety and commercial consequences.
Key Oil & Gas Materials, Properties & Applications
Materials are selected and supplied with a clear understanding of how they will perform in service, not just at initial design review but throughout the operational life of the programme.
PTFE is one of the most widely specified sealing and bearing materials across oil and gas operations.
Near-total chemical inertness to virtually all industrial chemicals encountered offshore and onshore, combined with low friction and a wide operating temperature range, makes it the default specification for valve seats, gaskets, sealing elements, pipe support bearings and skidway systems.
Virgin grades are specified for chemical contact applications where ionic leaching must be eliminated; filled grades extend performance into loaded and wear-intensive applications.
Key Properties:
- Near-universal chemical resistance to hydrocarbons, H₂S, acids, and process chemicals
- Continuous service to 260°C with very low coefficient of friction, self-lubricating without additives
- NORSOK M-710 qualified grades available for sour gas and rapid decompression service
- Wide range of filled grades to address creep, wear, bearing pressure, and anti-static requirements
Typical Oil & Gas Applications:
PEEK is the material of choice for HPHT sealing systems and structural applications where failure is not an option.
Its combination of mechanical strength, chemical resistance, and dimensional stability at elevated temperatures makes it one of the most trusted materials in modern oilfield engineering. PEEK's high strength-to-weight ratio makes it a proven replacement for brass and aluminium bearing cage materials, delivering weight reduction and cost savings without performance compromise.
Filled grades extend performance further: carbon-filled for enhanced stiffness and creep resistance, glass-filled for improved flexural strength, and PEEK bearing grade for sustained wear applications.
Key properties:
- High mechanical strength and dimensional stability at elevated temperatures, suitable for HPHT environments
- Excellent chemical resistance to hydrocarbons, H₂S, and oilfield process fluids
- High strength-to-weight ratio, proven metal replacement for bearing cages and structural components
- Filled grades available for enhanced stiffness, creep resistance, and sustained wear performance
Typical Oil & Gas Applications:
Valve components and seats, Pump and Compressor wear rings and rider rings, Downhole tool structural components, Bearing cages, Wellhead back-up rings
PCTFE is specified for cryogenic and high-pressure sealing applications where PTFE's higher permeability and lower dimensional stability under load are unacceptable.
Its combination of excellent dimensional stability at cryogenic temperatures, very low gas and moisture permeability, and chemical resistance makes it the primary material for LNG loading arm seals and cryogenic valve seats.
PCTFE maintains its mechanical properties and sealing integrity at the pressures and temperatures encountered in LNG handling and cryogenic process systems, where other fluoropolymers would creep, permeate, or lose seating force over time.
Key Properties:
- Lowest gas and moisture permeability of any fluoropolymer, critical for high-integrity sealing in pressurised systems
- Excellent dimensional stability from cryogenic temperatures down to –240°C
- Maintains mechanical properties and sealing integrity under sustained compressive load while resisting creep and seat relaxation
- Excellent chemical resistance to LNG and hydrocarbon-based process fluids
Typical Oil & Gas Applications:
Cryogenic seals for LNG loading arm, Cryogenic valve seats and ball seats, High-pressure gas line sealing elements, Liquid gas containment components, Subsea cryogenic interface seals
PVDF provides higher mechanical rigidity than PTFE, making it the preferred fluoropolymer for structural and load-bearing components in chemical processing and downstream environments.
Where PTFE's flexibility would compromise structural performance, PVDF delivers the combination of rigidity and chemical resistance required for valve bodies, pump components, and process equipment exposed to acids, caustics, and hydrocarbon-based process fluids.
Key Properties:
- Higher tensile strength and rigidity than PTFE, suitable for structural and load-bearing applications
- Good chemical resistance to acids, caustics, and hydrocarbon-based process fluids
- Continuous service to approximately 150°C with good dimensional stability under mechanical load
- Suitable for fluid contact applications in downstream and chemical processing environments
Typical Oil & Gas Applications:
Valve bodies and fittings, Pump housings and impellers, Pipe fittings and manifold components, Process equipment linings, Structural elements in chemical processing environments
For applications requiring structural performance beyond what fluoropolymers alone can provide, particularly in downhole tools, high-temperature process equipment, and dynamic mechanical assemblies, Fluorocarbon supplies PPS, polyamide-imide, and polyimide grades engineered for combined thermal, chemical, and mechanical demands.
- PPS provides chemical resistance and dimensional stability to approximately 220°C
- PAI offers higher temperature performance to 260°C continuous with very low creep under sustained load
- Polyimide is specified for the most extreme temperature and electrical insulation requirements
Key Properties:
- Combined thermal, chemical, and mechanical performance beyond the range of standard fluoropolymers
- PPS suitable to approximately 220°C; PAI to 260°C continuous with very low creep under sustained load
- Polyimide specified for extreme temperature and electrical insulation requirements in downhole environments
- All grades available as semifinished stock or precision-machined components
Typical Oil & Gas Applications:
Pump housings and valve components in high-temperature process environments, High-temperature tooling inserts, Bearing elements and structural components in subsea and process equipment
Improving Uptime and Reducing Maintenance in the Oil & Gas Industry with Advanced Materials
In oil and gas operations, where equipment runs continuously in some of the harshest environments on earth, reliability is everything. Unplanned downtime can cost operators hundreds of thousands per hour, impact production targets, and create significant safety risks.
To combat this, the industry is increasingly shifting away from traditional metals and elastomers and turning toward advanced polymers and composite materials. These materials provide superior durability, friction control, corrosion resistance and dimensional stability, key factors in maintaining uptime and reducing maintenance cycles.
Supporting Material Selection & Development
Fluorocarbon's in-house analytical capability supports material selection and qualification for oil and gas applications, including tensile testing, dynamic mechanical analysis, differential scanning calorimetry, hardness, and specific gravity testing. We have also partnered with specialist laboratories to support more complex qualification testing requirements, including NORSOK M-710 compliance testing.
Our materials team works with engineers from early design stage through to production qualification, supporting material feasibility assessment, grade selection, sample supply for customer testing, and material change management for obsolescence or supply chain risk scenarios.
Our material expertise is directly integrated with our precision machining and quality teams, so advice given at the design stage is backed by the capability to manufacture and document the result.