Polymer Testing Labs of St. Louis, Inc. We offer over 1,000 plastics and coatings test procedures. Standard turn around time is ten working days. Rush service is available. We offer three levels of competitive product evaluation, they include: 1. Identify main polymeric components 2. Perform partial deformulations with identification of source for major formulation components 3. Provide quantitative reverse engineering including generation of complete mass balance sheets, locating sources for raw materials, setting production parameters and development of QC programs.