Researchers have engineered a new material that acts as an extreme thermal insulator while remaining exceptionally stiff. The material can be printed as a thin film at large scales, making it practical for applications where both mechanical strength and heat resistance are needed.

According to the report, the material has one of the lowest thermal conductivity profiles of any dense, or nonporous, material—approaching the theoretical limits for a solid. This places it ahead of any material found in nature for insulating performance.

The combination of stiffness, printability, and record-low thermal conductivity could open new possibilities in electronics, aerospace, and other fields where managing heat is critical. Further details on the material's composition and manufacturing process were not provided in the source.