Balsa or PET core material? With us, you don’t have to choose!

BALTEK® balsa wood and AIREX® PET foams make your end product stronger and greener to the core and provide it with durability, sustainability, and energy efficiency.



With more than 80 years of experience, we have been continuously strengthening our knowledge and expertise in industrial composites engineering and the requirements of modern sandwich applications. From the beginning, our focus has been on developing solid, lightweight core materials with state-of-the-art and innovative materials, sometimes ahead of their times, giving further possibilities to engineering designs.



Today, 3A Composites Core Materials portfolio consists of high-performing, robust and reliable, yet lightweight core materials – all contributing to bringing the idea of sustainability into the focus. We are the only company in the balsa business with a fully integrated business model, and our BALTEK® products come from reliable sustainable forestry with dual sourcing from two independent world regions, Ecuador, and Papua New Guinea. At the same time, our AIREX® products focus on PET foam panels that are recycled and recyclable and produced in the most modern technical ways in Europe, the US, and China.

We are the only company in the business of core materials whose customers worldwide can benefit from two strong brands and sourcing them from one provider, making the supply chain easy and convenient for everybody involved.



BALTEK® balsa wood and AIREX® PET foams make your products stronger and greener to the core and provide them with durability, sustainability, and energy efficiency. We are proud to be part of numerous applications and many success stories made with our BALTEK® and AIREX® high-quality core materials.

For further information please contact:

3A Composites Core Materials
Airex AG
Industrie Nord 26
5643 Sins, Switzerland

Phone +41 41 789 66 00
corematerials@3AComposites.com
www.3ACcorematerials.com

Balsa or PET core material? With us, you don’t have to choose!