A method comprising contacting a polymer composition with a metal processing surface wherein the metal processing surface is at a temperature of equal to or greater than 90° C., wherein the polymer composition comprises one or more base polymers selected from the group consisting of polyvinyl halides, poly(meth)acrylics, polycarbonates, olefin-based polymers, and polystryrenes and a lubricant package which comprises at least one release agent of the following formulas where R is an alkyl group having 6 or more carbon atoms, M is a metal or cation, and X may be absent or selected from the group consisting of aromatic groups and ester groups is provided.