Dust-Free Aerogel Insulation Works in Tight Spaces and Extreme Conditions
Sunday, August 01 2010
Most insulating applications block additional heat transfer by adding more insulation. This thin, flexible, aerogel-based thermal insulation is available in thicknesses from 0.25 to 1 mm, and achieves a thermal conductivity in the range of 15-20 milliWatts/meter-Kelvin (about 20% to 40% less than that of still air). When vacuum-encapsulated, its thermal conductivity can be lowered to 8-10 mW/m-K. The material is light, of low density, flexible, strong, and hydrophobic.
The technology uses aerogel in a PTFE binder to achieve its insulating capabilities. Insulation made using this technology is suitable for die cutting or other automated processes, and generates no appreciable dust or fines. It is particularly well suited to insulating small, light, heat-producing equipment. It helps prevent burns in cryogenic applications, and has additional applications wherever tight tolerances, light weight, and demanding insulation requirements combine.
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