Tin is a chemical element with symbol Sn (from Latin: stannum) and atomic number 50. It is a post-transition metal in group 14 of the periodic table. It is obtained chiefly from the mineral cassiterite, which contains tin dioxide, SnO2.
TN 0170 (OTTO) Tin nanopowder, APS 130 nm, 99.9% - used as multi-purpose oil additives, which have the potential to reduce friction and wear in automobile engines.