Carbon Aerogel monoliths from Aerogel Technologies are electrically- conductive aerogels composed of amorphous carbon.  Useful for applications where both a high surface area and electrical conductivity are desirable.  With a mean pore size of ~25 nm, these aerogels provide plenty of pore volume for inclusion of active materials and for facilitating mass transport.  Ideal for use as electrodes in supercapacitors and ultracapacitors, batteries, and desalination filters.  Excellent supports for high-temperature heterogeneous catalysis.  BET surface area is approximately 700 m² g^-1.  Density is ~0.2 g/cc.

For serious applications demanding silica aerogel, Classic Silica Aerogel Tiles fit the bill.  About the size of a playing card, these tiles are big enough to shield against open flames.  Useful for advanced optics, particle detection, and adsorption applications.  Great for  demonstrations and extreme engineering projects!  Density is 0.095 g/cm³.  Hydrophilic surface chemistry.

Please note this product currently has a two-week lead time.

Download the MSDS here.

Organic RF Polymer aerogels are made of resorcinol-formaldehyde polymer – the same material found in Bakelite and other phenolic resins. Suitable for conversion to electrically conductive carbon aerogels through heat treatment under inert atmosphere. Ideal for research in catalysis, batteries, fuel cells, super-/ultracapacitors, desalination filters, and more. Thermal insulating characteristics similar to or better than Classic Silica at ambient conditions. Great for applications where an electrically insulating organic material is desirable. Color is a slightly translucent deep red. Available in shaped form exclusively through BuyAerogel.com.
Density is ~0.14 g/cm³, which is ~90% air by volume.

Download the MSDS here.