High-Performance PEEK Stock Shapes for Extreme Conditions and Consistent Machining
Annealed and stress relieved rods, plates, and tubular bars engineered to reduce residual stress, deformation, and warping during machining and even under high-temperature and chemically aggressive conditions.
Extruded from high-purity raw materials and processed under tightly controlled conditions to ensure uniform properties and consistent batch-to-batch performance.
Why engineers choose PEEK
High-performance characteristics that make PEEK suitable for demanding machined components.
High Temperature Capability
PEEK maintains strength and stiffness at elevated temperatures, with a continuous use range around 240°C.
Excellent Chemical Resistance
Resistant to most organic and inorganic chemicals, including oils, fuels, and solvents commonly found in industrial environments.
High Mechanical Strength
High strength-to-weight ratio with low creep, making it suitable for stressed or load-bearing machined parts.
Dimensional Stability
Low moisture uptake and strong thermal stability help machined components maintain tight tolerances in varied environments.
Wear and Friction Performance
Bearing-grade PEEK formulations offer reduced friction and improved wear resistance for moving components.
Why Choose PEEK from Quantum AEP
See how Quantum’s manufacturing approach supports stable machining and reliable performance.
Prime raw materials only
We extrude PEEK using prime-grade resin to ensure predictable mechanical, thermal, and chemical behavior across every batch.
Proprietary annealing for machining stability
Controlled annealing reduces internal stress, helping machined parts maintain dimensional accuracy and lowering the risk of deformation or warping.
Process Control to Minimize Porosity
High-temperature extrusion, governed by tightly controlled process parameters, minimizes void formation in rods and plates, particularly in large diameters and thick cross-sections. Non-destructive testing, NDT, where applicable, is used to verify internal integrity, ensuring a dense, uniform structure suited for critical, high-performance applications.
Full traceability and process records
Each batch is logged with extrusion parameters and inspection checks, giving engineering teams visibility into material history when needed.
No machining of finished parts
We supply only stock shapes. This avoids conflicts of interest with machine shops and ensures our focus stays entirely on producing consistent materials.
Reliable batch-to-batch performance
Controlled workflows and stable manufacturing parameters help maintain consistent performance, reducing surprises during machining and testing.
Common PEEK machined components
Examples of parts typically manufactured from PEEK stock shapes.
Medical and analytical device components
Handles sterilization and chemical exposure found in diagnostic and laboratory equipment.
Structural parts and brackets
Lightweight, stiff components for aerospace, defense, and industrial assemblies.
Electrical insulation components
Machined for connectors, carriers, and high-voltage support structures.
Semiconductor wafer handling parts
Used in end effectors, supports, and precision tooling where purity is essential.
Bushings, bearings, and wear rings
Used in pumps, compressors, and high load mechanical systems.
Seals, valve seats, and pump components
Ideal for fluid handling equipment exposed to heat and chemicals.
PEEK grades available
Choose from unfilled, glass-reinforced, carbon-reinforced, and bearing-grade PEEK stock shapes.
PEEK (Unfilled)
Balanced strength, chemical resistance, and thermal stability for general-purpose machined components.
%20(2).avif)
PEEK GF30
30 percent glass fiber reinforced PEEK for higher stiffness, improved dimensional stability, and enhanced structural performance.
PEEK CF30
30 percent carbon fiber reinforced PEEK for maximum rigidity, reduced thermal expansion, and enhanced dimensional stability.
PEEK Bearing Grade
Solid lubricant-modified PEEK for reduced friction, improved wear resistance, and reliable performance in moving components.
PEEK Bearing Grade (PTFE-20)
20 percent PTFE filled PEEK for superior lubricity, low friction, and excellent wear resistance in sliding applications.
PEEK performance at a glance
General performance characteristics for PEEK. Exact values vary by grade. Refer to individual grade pages for detailed specifications.
Exact performance values vary by grade.
Refer to the grade data sheets for detailed specifications.
Interact with Sofie to match your project needs with the perfect material solution. From tailored recommendations to in-depth product specs, Sofie provides the data-driven expert guidance you need to move from design to production.
PEEK rods, plates and tubular bars are available
Standard sizes supplied as extruded rods, plates and tubular bars, with custom dimensions available on request.
Rods
PEEK rods are available in diameters ranging from 3/8” to 10”, designed for precision machining of bushings, bearings, and structural components.
Plates
PEEK plates are available in standard thicknesses from 3/8” to 5”, ideal for machined parts such as brackets, seals, and structural panels.
Tubular Bars
Heavy-wall PEEK tubular bars are engineered for bearing and bushing applications, available in outer diameters from 4” to 12” with wall thicknesses ranging from 1” to 2”.
Trusted by World's Leading Companies
Need help selecting the right PEEK grade?
Share your application details and our team will recommend suitable grades, shapes, and supporting data sheets.
Frequently Asked Questions
PEEK is a high performance thermoplastic known for strength, stiffness, chemical resistance, and stability at elevated temperatures. These properties make it suitable for machined parts used in demanding mechanical, chemical, and thermal environments.
PEEK is typically selected when a machined component must withstand high temperatures, mechanical load, aggressive chemicals, or maintain tight tolerances. It is often chosen when materials like nylon, acetal, or even glass-filled polymers cannot meet performance requirements.
Common grades include unfilled PEEK, glass-filled PEEK (GF30), carbon-filled PEEK (CF30), and bearing-grade PEEK containing solid lubricants. Each grade offers different mechanical, thermal, and tribological benefits.
PEEK machines well when stress-relieved and properly annealed. Stable stock shapes reduce deformation and allow components to hold tight tolerances. Using sharp tooling and controlled feeds helps achieve good surface finishes.
Standard diameters and thicknesses are supplied as extruded rods and plates. Custom sizes or non-standard dimensions can be produced based on project requirements.
PEEK can operate continuously at elevated temperatures, maintaining mechanical strength and dimensional stability. Exact limits vary by grade and application.
Yes. PEEK is resistant to most fuels, oils, solvents, acids, and bases. It is commonly used in chemical processing, pumps, valves, and environments with repeated chemical exposure.
PEEK has low moisture absorption, which helps parts maintain their size, shape, and electrical properties in humid or wet conditions.
Yes. Unfilled and high-purity variants of PEEK are used for wafer handling components, tooling, and structural parts where contamination must be minimized.
No. Quantum supplies only stock shapes. We do not machine final components, which avoids any conflict of interest with machine shops and allows us to focus entirely on consistent material quality.