Victrex E-motor solutions
VICTREX PEEK SOLUTIONS FOR THE NEXT GENERATION ELECTRIC VEHICLES
Future mobility requires new approaches in design and sustainable material selection, driven by the need to increase vehicle range, reduce cost, enhance driving and charging experience – all with without compromising on reliability and safety.
Explore how VICTREX™ PEEK based e-motor solutions can outperform traditional materials in 800V motors and support your sustainability goals, and why collaborating with our dedicated e-mobility team can help accelerate your e-motor projects.

VICTREX XPI™ PEEK Magnet Wire Insulation
A unique combination of properties - specifically designed to solve the demanding challenges in high-voltage e-motor insulation
The new VICTREX XPI™ polymer grades are designed to meet all extrusion wire manufacturing processing needs and offer a combination of excellent properties for high-voltage e-motor magnet wire to enable reliable insulation performance, extended vehicle range, reduced cost and faster charging for high-performance motors.
Chemical Resistance
Outstanding resistance to chemical attack from a wide range of materials including ATFs and dielectric fluids even in 800V vehicle voltage systems, supporting reliable performance
Electrical Performance
Proven dielectric properties with high breakdown voltage, partial discharge inception voltage (PDIV), resistivity, low permittivity and loss etc.
Temperature Resistance
Excellent thermal endurance and stable operation from -40°C up to 260°C
Mechanical Strength
Dedicated range of product grades with excellent strength, stiffness and ductility properties to meet the requirements in high power density e-machines
Recyclability
VICTREX XPI PEEK polymer is REACH compliant, recyclable and solvent-free, eliminating the need for hazardous solvents used in enameled magnet wires
Thermal Conductivity
VICTREX XPI PEEK polymer has around 2x the thermal conductivity of other super engineering polymers (e.g. PI)

Optimise your motor design and increase efficiency and vehicle range with state-of-the-art winding technologies.


E-mobility program leader James Bonnett talks about the value of VICTREX XPI and the Victrex e-mobility ecosystem helps accelerate our customers' development times.


Our Chief Scientist introduces you to the world of PEEK and PAEK.

You're not familiar with PEEK? Here's your 3-minute introduction to one of the highest-performing polymers in the world
Frequently Asked Questions: VICTREX XPI™ PEEK (PolyEtherEtherKetone) Magnet Wire Insulation for 800V E-Motors
Technical Performance Questions
PEEK magnet wire breakdown voltage after thermal ageing
PEEK vs enamel magnet wire coating thickness comparison
What is PEEK magnet wire PDIV rating for 800V electric motors?
What temperature can PEEK insulated magnet wire withstand?
Processing & Manufacturing Questions
PEEK magnet wire compatibility with varnish impregnation resin
How to strip PEEK coated magnet wire mechanical laser methods
Can PEEK wire coating work with hairpin winding process?
Chemical Resistance & Durability Questions
PEEK wire insulation resistance to ATF oil cooling fluids
Cost & Efficiency Questions
PEEK magnet wire cost benefit analysis electric vehicle range
PEEK vs enamel wire coating total cost ownership(TCO)
Sustainability Questions
Is PEEK magnet wire coating environmentally friendly and sustainable?
PEEK wire coating VOC (volatile organic compounds) emissions environmental compliance automotive
Supply Chain & Support Questions
Technical support PEEK magnet wire coating implementation
Victrex provides custom formulations, processing support, electrical testing data, and e-motor modelling - backed by 40+ years of PEEK expertise.
Source: eBook pages 13-14
VICTREX XPI PEEK availability lead time global supply
Industry-Specific Questions
PEEK magnet wire testing validation automotive OEM certification
PEEK wire insulation SiC (silicon carbide) inverter compatibility

Advanced APTIV™ film electrical insulation for e-motor slot liners

Greater power density
- 40% thinner film format enabling
- 2% increased copper content and
- 5% increased continuous torque output
in a same size motor

Improved thermal management
The excellent thermal conductivity of APTIV™ film enables improved thermal management and reduction of peak winding temperatures by 2-3 °C vs. Meta-Aramid/PET laminates

Cost-effectiveness
offering a potential reduction of 6 USD per e-motor in a smaller motor with same power output by reducing axial length (less utilisation of rare earth magnets)

APTIV film slot liners for high-voltage e-motors
Explore key material properties, extensive comparative data vs. traditional laminates, quantified benefits and much more in the 24-page interactive e-book!

The impact of advanced PEEK slot liner insulation on high power density e-motors
Dive into technical details and comparative test results in this webinar recording



Why Victrex?
Our commitment to innovation shapes everything we do, from 10,000 feet below the sea to 40,000 feet in the air. We aim to solve today’s toughest challenges and look to push design boundaries for tomorrow. We are engineers, scientists, designers and market specialists, all focused on bringing transformational solutions to market that address world material challenges. That’s our team, over 900 people every day helping to make a world of difference.


Sustainability is at the top of our agenda
Explore our infographic to see our ambitious path to net zero and how VICTREX PEEK supports a sustainable approach in magnet wire insulation vs. enamel.

VICTREX™ PEEK solutions for e-mobility

PEEK Bearing Insulation: Lower Costs, Proven Performance
Reliable insulation of bearings is key to ensure efficient performance over the component lifetime. Replace expensive ceramic solutions with VICTREX PEEK and achieve excellent electrical insulation at competitive costs with superior mechanical properties.

Battery Bus Bars
Bus bars are a safety critical component and key for system efficiency & reliability in EV batteries, e-motors or power electronics. They need to perform in the most demanding environments. VICTREX™ PEEK offers a combination of excellent temperature performance and electrical properties to ensure durability as well as extended flammability resistance.
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