NDT14MG NANO Marine Grease has been specifically designed to provide superior protection from rust and corrosion, protecting assets from salt water, salt air and atmospheric chemicals.
proprietary blend of nanomaterials, including some form of carbon
"Marine Nano Grease contains a special blend of Nano Materials (proprietary) along with Calcium dodecylbenzenesulfonate and Calcium sulfonate complex thickener (proprietary)."
Safety Data Sheet list Nano Material CAS # 7440-44-0 (carbon) <1% by weight
available online (see product link)