This specialized scientific reference by Prof. Dr. Mohammed Hamza Al-Mamoori provides a comprehensive overview of non-destructive testing (NDT) techniques as applied to polymers and organic compounds. The book delves into various diagnostic methods used to evaluate material integrity, detect defects, and characterize properties without causing damage. It serves as an essential resource for researchers, engineers, and students in materials science, polymer chemistry, and quality control, offering detailed explanations of principles, applications, and data interpretation for advanced materials analysis.