3A Composites Core Materials is a global organizational unit within the 3A Composites Group, a part of Schweiter Technologies, with operations in Europe, the Americas, China, and Papua New Guinea. We are a global leader with the broadest portfolio of high-performing and sustainable core materials with main focus on PET foam and balsa wood. We are the pioneers in sandwich technology with more than 75 years of experience. Since the very beginning, our focus has been developing strong and solid, lightweight core materials, which allow manufacturing more durable, sustainable and energy-efficient end products for our customers.