3M™ Scotch-Weld™ Metal Instant Adhesives are designed to give optimum performance and high strength bonds on metals, including galvanized or anodized surfaces. MC5 (formerly SP93) is a very low viscosity cyanoacrylate primarily used for bonding smooth, even, close fitting parts. It is a wicking type cyanoacrylate that can be used in preassembled parts. It has been tested and passed the requirements of Commercial Item Description A-A-3097, Type 1, Class 1 (formerly MIL-A-46050C).Information provided by 3M |