Engineering Plastic

PEEK Sheet & Rod

Wear · Load · Precision machining

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±0.1mm

Precision Tolerance

35+ Years

On The Gold Coast

Full Range

Perspex, HDPE & More

Australia-Wide

Fast Delivery

PEEK (Polyether Ether Ketone) is the ultimate high-performance engineering thermoplastic. With exceptional mechanical properties at elevated temperatures, outstanding chemical resistance, and inherent flame retardancy, PEEK is the material of choice for the most demanding applications in aerospace, medical, and industrial sectors.

PEEK can replace metals in many applications, offering significant weight savings (up to 70% lighter than steel) while maintaining structural integrity at temperatures up to 250°C. It is biocompatible, radiation resistant, and can be sterilised repeatedly without degradation.

⚙Technical Specifications

Material Type

PEEK (Polyether Ether Ketone)

Specific Gravity

1.30

Tensile Strength

100 MPa

Continuous Use Temp

250°C

Short-term Peak Temp

300°C

Chemical Resistance

Excellent

Flame Rating

V-0 (self-extinguishing)

Radiation Resistance

Excellent (gamma, X-ray)

FDA / USP Class VI

Yes

Machinability

Good

Quick Facts

✓ Over 35 years experience
✓ No minimum order
✓ Fast turnaround
✓ Australia-wide delivery

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Applications

Aerospace — structural components, engine parts

Medical — surgical instruments, implants, sterilisable components

Oil & gas — downhole tools, seals, back-up rings

Semiconductor — wafer handling, CMP rings

Automotive — transmission components, turbocharger seals

Food processing — high-temperature conveyor parts

Available Sizes & Grades

Sheet: 620 x 1000mm, 620 x 2000mm Thickness: 6mm – 100mm Rod: 6mm – 150mm diameter Grades: Unfilled (natural), Glass-filled (30%), Carbon-filled (30%) Colour: Natural (beige/brown)

Fabrication & Processing

PEEK can be machined on conventional CNC equipment using carbide tooling. It produces clean chips and good surface finishes. Due to PEEK's high cost, careful programming to minimise material waste is essential. Annealing after machining is recommended for parts requiring tight dimensional tolerances.

CNC turning and milling — use sharp carbide tools, moderate speeds

Drilling — standard HSS or carbide drill bits

Annealing — stress-relieve at 200°C for 4 hrs for critical tolerances

Bonding — epoxy adhesives after surface preparation

Note: PEEK stock is expensive — optimise nesting and minimise waste

PEEK vs Other High-Performance Plastics

Property	PEEK	PTFE	PPS	Ultem
Max Temp	250°C	260°C	220°C	170°C
Strength	Very High	Moderate	High	High
Chemical Resistance	Excellent	Excellent	Excellent	Good
Machinability	Good	Good	Fair	Good
Cost	$$$$	$$	$$$	$$$

Frequently Asked Questions

Why is PEEK so expensive?+

PEEK resin requires complex synthesis at high temperatures and the raw material cost is inherently high. Additionally, PEEK stock shapes are produced in relatively small volumes compared to commodity plastics. However, PEEK's ability to replace metals often provides overall system cost savings through weight reduction and extended service life.

Can PEEK replace metal?+

Yes — in many applications PEEK directly replaces stainless steel, aluminium, and titanium. It offers up to 70% weight savings while maintaining excellent mechanical strength, chemical resistance, and dimensional stability. Carbon-filled PEEK grades approach the strength of some aluminium alloys.

Is PEEK suitable for medical implants?+

Yes — PEEK is USP Class VI and ISO 10993 biocompatible. It is radiolucent (transparent to X-rays and MRI), making it ideal for spinal fusion cages and orthopaedic implants. Implant-grade PEEK (PEEK-OPTIMA) is specifically manufactured for medical use.

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