: Aerogel is a synthetic porous ultralight material derived from a gel, in which the liquid component for the gel has been replaced with a gas. The result is a solid with extremely low density and low thermal conductivity.

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AEROGEL
INSULATION

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TOC
❖ OVERVIEW
❖ KEY POINT
❖ THANK YOU

3. Overview
Aerogel is a synthetic porous ultralight
material derived from a gel, in which the
liquid component for the gel has been
replaced with a gas. The result is a solid with
extremely low density and low thermal
conductivity.

4. KEY POINTS -
● From insulating astronauts at space to crude oil at 10000 feet below ground level, utilization of aerogel popularly known as
frozen air for insulation has been a remarkable addition to field of Nano technology.
● Aerogel are low density solid created through extraction of liquid from gels of alumina, chromina, tin oxide or carbon
through a process called super critical drying.
● Over the last two decade the use of aerogel in insulation industry has not only increased in number but also in width of
application. Aerogels can be made from a variety of chemical compounds. Currently carbon aerogel, silica aerogel, graphene
aerogels are used in space equipment, automobile industry, construction industry to name a few.
● Because of aerogel's unique structure, its use as an insulator a no-brainer. The super-insulating air pockets with the aerogel's
structure almost entirely counteract the three methods of heat transfer: convection, conduction and radiation.
● Aerogel is employed in a very special role by NASA- to capture space dust. Although the captured particles will each be
smaller than a grain of sand, high-speed capture could alter their shape and chemical composition - or even vaporize them
entirely.

5. Thank you.
Brainware University