Marketed by the manufacturer as a stronger version of
MS-70, BU Plus can be used as a rinse on coin surfaces to remove residue and brighten the coin. This non-acid formula utilizes a strong caustic base additive. It can be used on silver, gold, copper, nickel, bronze or brass and coins that are circulated, uncirculated or proof. For more information, see this
instructional flyer from the manufacturer.
Sizes: 2, and 8 fluid ounce bottles
BU Plus Material Safety Data Sheet: TBD