Results showed that the discriminating capability of the techniques employed depended on the type of epoxy. In addition, even after all visual, microscopic, and instrumental examinations, some epoxies within a group could not be differentiated from the others. Epoxy products and other types of adhesives are often used in the construction of improvised explosive devices (IEDs). However, little research has explained the characterization of two-part epoxies in forensic casework. This study was intended to be a preliminary evaluation of two-part epoxies using a variety of instrumental techniques. The techniques used to analyze the epoxies were Fourier transform infrared spectroscopy (FTIR), X-ray fluorescence (XRF), X-ray diffraction (XRD), polarized light microscopy (PLM), and pyrolysis-gas chromatograph-mass spectrometry (Py-GC-MS). References