Abstract: An acid cleaner and brightener concentrate composition comprising a dicarboxylic acid, an amine and water having a pH of about 1 to about 3 is useful in removal of tenacious soil, such as tarnish, discoloration, corrosion and oxidation products from vehicles, such as railroad rolling stock, without subsequent harm to surfaces, including coated polycarbonate glass substitute.
Abstract: An antistatic polymer blend comprising a synthetic polymer and an antistatically effective amount of a compound of the formula: ##EQU1## wherein R is alkyl of 4 to 18 carbon atoms unsubstituted or substituted by halo or aryl.