The Atlantis 2 coils are made from USA-wires and organic cotton, providing superior wicking capabilities. Hi, I want/need to know if Aspire BVC coils are made of stainless steel or not. The Aspire Nautilus - A look at the new BVC coil. Our Aspire replacement coils fit all popular Aspire vape tanks on the market. In order to inform you on the correct usage and voltage of our BVC coils used in the BVC range of Clearomizers (not Nautilus), we have made some changes to. A temperature control coil is made of special material, such as the popular Ni and Ti, even SS.