It (NEMA CE) is a thermoset rolled and molded composite consisting of a medium-fine weave cotton reinforcement combined with a phenolic resin system. RM310E complies with the requirements of MIL-I-24768/14, Type FBG. RM310E is designed for electrical and mechanical applications and is suitable for inserts, bushings, cams, gaskets, collars, bearings, spacers, plugs, dowels, insulators, and light-duty gears.