a method of making a polypropylene product for use in making biaxially oriented films . the method includes the addition of an improved nucleating system that allows for even distribution of a nucleating agent in the polymer material . the improved nucleating system comprises a nucleating agent and a liquid miscible with the nucleating agent . the solution is combined with the polypropylene material , and the miscible liquid is removed during processing . the resulting films possess superior processing and material characteristics .