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Our research, engineering and production teams have developed a diverse portfolio of PEEK products that fuel innovation for applications in medicine, oil & gas, aerospace, automotive, high-performance liquid chromatography (HPLC), and fiber optics.

PEEK is considered one of the most high-performance plastics in the world. Its considerable strengths as a material science solution are leading to breakthroughs in many markets. PEEK is replacing many metal parts, allowing applications to have maximum design innovation with flexibility while reducing costs for systems.

The material can be extruded into many forms, in addition to post-extrusion forming for a variety of demanding applications. A few products extruded from PEEK include: PEEK Insulated Wire, PEEKShrink®, PEEK Tubing, PEEK Drawn Fiber, PEEK Sub-Lite-Wall®, PEEK Lay-Flat, and special shapes and custom profiles.


  • Ideal stainless steel replacement
  • Lightweight
  • Biocompatibility
  • High tensile strength
  • Lubricity
  • High temperature resistance
  • Excellent purity
  • Outstanding resistance to chemicals, solvents, and fuels
  • Exceptional torsion stability
  • Thermoformable
  • Resistant to gamma radiation
  • High burst pressure
  • High repeat autoclavability (over 3000 cycles)
  • Low flammability value of UL 94 V-0 at 1.45 mm
  • Excellent impact and wear resistance
  • Limiting oxygen index of 35% at 3.2 mm
  • Excellent hydrolysis resistance

View our Summary of Properties


Aerospace: PEEK has one of the highest strength-to-weight ratios of any thermoplastic, allowing aerospace engineers to replace heavy metal parts with dynamic plastic parts that meet the industry’s stringent demands. PEEKShrink® is a heat shrinkable form of PEEK that is perfect as a splicing aid or insulation boasting over 3500 volts/mil for wire harness applications. PEEK Insulated Wire can also be used as an abrasion resistant wire coating over solid or braided conductors. PEEK Convoluted Tubing serves as a flexible conduit to protect wires, cables and fiber optics from abrasion. Zeus' PEEK Drawn Fiber is a monofilament that boasts excellent abrasion and corrosion resistance, tensile strength, and tenacity. PEEK Drawn Fiber is a perfect braiding material for wire and cable sheathing and performs well in extreme temperatures up to 500°F/260°C.  PEEK produces low smoke and gas emissions with high elongation properties.

Automotive: PEEK is a good material for protecting wires, while decreasing weight and increasing fuel efficiency for the end applications. PEEK Drawn Fiber is the perfect braiding material for wires and cables that need chafe resistance. PEEK Insulated Wire and PEEKShrink® are able to meet the required electric performance as cars are increasingly powered by electric generation. Custom shapes and profiles also allow designers to make slot liners or other shapes that give abrasion protection while keeping weight to a minimum.

Critical Fluid Transfer: The chemical resistance, mechanical integrity and high maximum temperature resistance of PEEK are ideal for critical fluid transfer applications that involve extruded tubing.  PEEK is the gold standard for the HPLC industry due to its burst pressure and chemical resistance. It also yields to thermoforming and making special shapes.

Electrical: As a heat shrink, PEEKShrink® provides electrical insulation and chemical resistance which makes it a good splicing aid at high continuous service temperatures in caustic environments. It is a lightweight material that possesses abrasion and radiation resistance.

Fiber Optics:  PEEK Convoluted Tubing is highly abrasion resistant and can operate in a variety of temperature extremes up to 500ºF (260ºC). These products often house and protect delicate fibers while maintaining a high degree of flexibility. This material can also be formed into shapes and multi-lumens, allowing multiple channels of fibers to be encapsulated in one OD. PEEK can be the perfect sheating for fiber optics due to its strength. Zeus also can engineer surface our tubing by creating channels along the ID, OD or both. The sheathing then can act as a conduit for fiber optics to decrease strain and friction without the use of additives or fillers.

General Industrial: PEEK is a durable material that makes the ideal replacement for metal or plastic parts which need enhanced design ability. PEEK tubing also can be formed post-extrusion for a variety of industry applications that need customized solutions.

Oil & Gas: PEEK products are rapidly replacing other plastics for electric motor insulation, especially in SAGD (Steam-Assisted Gravity Drainage) applications. PEEK Insulated Wire - commonly referred to as magnet wire - results from the extrusion of PEEK over copper wire.  It has excellent abrasion and chemical resistance, and dielectric strength. PEEK has superb heat resistance at working temperatures of up to 500ºF (260ºC). PEEKshrink™ makes a complimentary splicing aid and boasts over 3500 volts/mil of insulation resistance. PEEKShrink™ can also be used for battery packs and rock core analysis which benefit from its temperature resistance.

Medical: PEEK products are used in a variety of medical applications due to its columnar stiffness and torsion strength in very thin walls. PEEK can be sourced with ID’s as small as .002” and walls as thin as .0015” nominal. PEEK Drawn Fiber is an alternative option for braiding in catheters where metal may not be preferable. PEEK may be sterilized using gamma, EtO, e-beam, or autoclave sterilization which makes it a versatile material in medical applications. Because it is a thermoplastic, PEEK is easily heat formed, tipped, tapered, flared, and flanged.

Learn more about our Optimized Tubing Solutions

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