Aerogel Stocks List
Symbol | Grade | Name | % Change | |
---|---|---|---|---|
ASPN | A | Aspen Aerogels, Inc. | -0.33 | |
CBT | B | Cabot Corporation | 1.12 |
Related Industries: Building Materials Specialty Chemicals
Symbol | Grade | Name | Weight | |
---|---|---|---|---|
TINT | B | ProShares Smart Materials ETF | 5.67 | |
HAIL | D | SPDR S&P Kensho Smart Mobility ETF | 3.04 | |
PYZ | C | PowerShares Dynamic Basic Materials | 2.11 | |
HAPS | C | Harbor Corporate Culture Small Cap ETF | 1.95 | |
DRIV | C | Global X Autonomous & Electric Vehicles ETF | 1.28 |
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- Aerogel
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 without significant collapse of the gel structure. The result is a solid with extremely low density and extremely low thermal conductivity. Nicknames include frozen smoke, solid smoke, solid air, solid cloud, blue smoke owing to its translucent nature and the way light scatters in the material. Silica aerogels feel like fragile expanded polystyrene to the touch, while some polymer-based aerogels feel like rigid foams. Aerogels can be made from a variety of chemical compounds.Aerogel was first created by Samuel Stephens Kistler in 1931, as a result of a bet with Charles Learned over who could replace the liquid in "jellies" with gas without causing shrinkage.Aerogels are produced by extracting the liquid component of a gel through supercritical drying or freeze-drying. This allows the liquid to be slowly dried off without causing the solid matrix in the gel to collapse from capillary action, as would happen with conventional evaporation. The first aerogels were produced from silica gels. Kistler's later work involved aerogels based on alumina, chromia and tin dioxide. Carbon aerogels were first developed in the late 1980s.
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