Nexus DampTek® is the latest development in noise absorption material. Our engineers searched the market for the most recent developments in noise absorption and isolation. The materials we found the most effective, to isolate and absorb frequencies coming from your pc components, were combined to create Nexus DampTek®. Nexus DampTek® consist of a 1.5 mm barrier mass to isolate the noise and a 6 mm foam layer to absorb the multiple frequencies.
http://www.nexustek.nl/damptek.htm