Blueshift Materials, Inc. developed and manufactures in a roll-to-roll format a 125-micron high performance polymer aerogel film called AeroZero®.  AeroZero was developed for high bandwidth, low power, and long-range 5G/6G applications.  AeroZero is 85% air, and the company has branded it “Structured Air.”  The film thus has low density, high porosity, and extremely low dielectric properties and thermal conductivity.  AeroZero retains most of the key properties of a polyimide: wide operating temperature range (-200 C to +260 C), inherent flame retardancy, etc. (less)