Specialist Materials for Industry and Science

Our products, along with our materials science knowledge are helping to bring about the greener, safer and more efficient industries of tomorrow.

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The Large Hadron Collider at CERN, Geneva

MIDEL is the world’s leading brand of biodegradable, fire safe transformer fluids, changing how utilities and DNOs build resiliency and environmental protection into their assets.

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Safer, Greener Energy Networks

Berlin, Germany – protected by MIDEL filled distribution transformers

Trusted to perform in the most demanding conditions in the world (and sometimes off it), Apiezon is known as the original vacuum grease.

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Out of This World Capabilities

The International Space Station (ISS) and NASA's Space Shuttle Atlantis

Metrosil silicon carbide varistors protects some of the world’s largest substations and power stations from catastrophic overvoltage events.

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Keeping the Lights On

The Three Gorges Dam, China - protected by Metrosil

Trusted by leading names in aerospace, nuclear medicine and motorsport, Wolfmet tungsten alloy components are used in the most demanding scientific and high performance applications.

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Turning Powder into Parts

Wolfmet tungsten alloy components are used across entire fleets of commercial airliners

As automotive OEMs look to overcome EV range anxiety, MIVOLT liquid immersion cooling fluids are leading the way in next generation battery technology and power electronics.

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Leading the Charge

Faraday Future's FF91 - developed with a pioneering fully submerged EV battery pack using MIVOLT fluids.

WELCOME

We Commercialise Materials for Demanding Applications

M&I Materials Limited is dedicated to manufacturing Specialist Materials for Industry and Science and is the driving force behind a portfolio of successful brands including Apiezon, Metrosil, MIDEL, MIVOLT and Wolfmet.

An independent company, M&I Materials Limited has built a strong global business based on delivering technical excellence and high standards of customer service to niche markets around the globe.

Born out of the research division of GEC Alsthom, M&I Materials Limited combines the proven pedigree of long-standing products with the research and development expertise to bring new solutions to market.

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PORTFOLIO

Products Engineered to Lead Industries

A range of specialist greases, waxes and oils for use in industrial and scientific high vacuum process applications and equipment.

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A range of non-linear resistors used to protect equipment and electrical insulation from the effects of over voltages.

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Ester-based dielectric fluids, chosen by utilities and transformer manufacturers because of its proven ability to minimise risk.

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Biodegradable dielectric fluids for the direct immersion cooling of electrical systems, including EV batteries and charging stations.

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Tungsten heavy alloy used for adding balance, or as vibration damping mass, or providing effective radiation shielding.

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LOCATIONS

A Global Presence

M&I Materials Limited is an international company with offices in the UK, USA, South Africa, India, China and Singapore, and customers located in 60+ countries around the globe.

We operate through a team of professional and friendly business development managers who are ably assisted by a worldwide network of distributors and an excellent customer service team. Our customers also have the benefit of exceptionally high levels of technical support from a group of multilingual product experts.