Although there are many cleaners that will do an adequate job, some cleaners outperform others for specific applications.
Unpainted aluminum begins to oxide almost immediately.
For this reason, this surface not only needs to be degreased, but also needs to be etched with a commercial acid brightener. Following the etching process, the surface should be solvent wiped prior to graphics application. Certain plastics, such a fiberglass, polycarbonates, styrene and polystyrene can outgas. In certain instances, outgassing can occur for an extended period of time. When this occurs, applied vinyl graphics can bubble.