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Unifrax Alkegen

Unifrax and Lydall are now Alkegen

Alkegen brings together two of the world’s leading specialty materials companies to create one new, innovation-driven leader focused on battery technologies, filtration media, and specialty insulation and sealing materials. Through global reach and breakthrough inventions, we’re delivering products that enable the world to breathe easier, live greener, and go further than ever before. 

A Message from Our President
Alkegen Story

The Alkegen Story

At Alkegen, we make materials that impact people’s lives and the environment in meaningful ways for a positive impact on the planet.

With Alkegen products, batteries last longer and hold more power. Metals and glass manufacturers can run furnaces more economically, save energy, and reduce downtime. Transportation is safer and more environmentally efficient. And, we make it easier to breathe as we protect the environment from pollution and filter the indoor air we share.

Through the alchemy of deep expertise, technological innovation, and unparalleled customer service, we generate world-class specialty materials and products that help people breathe easier, live greener, and go further than ever before. 

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We have the global scale and innovation capability to help the world breathe easier, live greener and go further than ever before.

Learn More
Alkegen materials
Alkegen Map
Worldwide Reach and Access

Alkegen has over 60 manufacturing facilities and 9,000-plus employees worldwide.

Industry-Leading Expertise


Filtration and Catalysis 

At the core of our business is the ability to deliver world-class specialty filtration and catalysis products, including revolutionary fiber-based technologies for air, liquid, and industrial applications that reflect market needs and follow trends to serve our customers at the highest level.



Alkegen battery innovation includes developing advanced materials for thermal barriers and electrical protection, battery separator technology, and revolutionary silicon fiber anode material that enables greater energy density, faster charges, and longer battery life in electric vehicles and consumer electronics.



Alkegen continues our proven history of delivering high-temperature thermal management products and engineered thermal components for demanding industrial applications to customers worldwide. 


Construction and Fire Protection

Alkegen offers a wide range of fire protection products for industrial construction applications requiring lightweight, thin materials to prevent flame penetration and achieve significant temperature drops. Geosynthetic solutions serve a range of applications from construction to repair of roads and transport.


Transportation and Off-Road Equipment

From electric vehicles and aerospace to off-road industrial equipment and ship building, Alkegen creates specialty materials and products for a variety of applications in the transportation industry.

Customer Service

Committed to
Sustainability and
Human Health

At Alkegen, our fierce commitment to serving customers with superior products that help them reduce fossil fuel usage and pollution, save energy, and create long lasting and safer battery technology, drives our decision-making. If you have questions about buying products from Alkegen or questions pertaining to sustainability or other topics, please review our customer FAQs by clicking below.

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