Resin/reinforcement wettability is a key design parameter in the manufacturing of high-quality PMCs. Wettability is often quantified by determining the contact angle of resin liquid droplets on reinforcement surfaces. Experimental measurement of contact angle is an expensive and a complex procedure. Fortunately, molecular dynamics (MD) can be used to simulate the interaction at composite interfaces, predict resin/reinforcement contact angle, and provide physical insight into observed interfacial behavior . MD has been used to study the wetting properties of water and polymer resins on graphite and metallic surfaces . Recently, Bamane et. al. used MD to study the wettability of high-performance polymer systems on aromatic carbon surfaces to determine relative levels of processibility of carbon nanotube composites. Thus far, wetting properties of polymer resin systems on BNNT surfaces have not been computationally studied. Therefore, to take full advantage of the excellent properties of BNNT in nanocomposites, and establish the most compatible resins with BNNTs, MD-based procedures to predict the wettability of various resin systems on BNNT surfaces need to be developed and validated.