This chapter offers a comprehensive exploration into the combination of various analytical techniques to provide a thorough understanding of polymer properties and behaviours. By integrating diverse technologies employed in prior chapters, this section aims to allow the strengths of each method to achieve a more nuanced and comprehensive characterization of polymers. Through the synergistic application of spectroscopic, chromatographic, microscopic, and thermal analysis techniques, among others, this chapter delves into the intricate details of polymer structure, morphology, composition, and thermal properties. Each section provides a detailed exploration of the respective topic, contributing to a holistic understanding of advanced polymer characterization methods and their applications.