Speedi SCAT Wax & Grease Remover, 1-Gallon Speedi SCAT is a specially formulated solvent blend for lifting and removing wax, silicones, grease, oil, and other potential contaminants from surfaces to be painted. This product quickly dries for a residue free surface. Speedi SCAT is the pre-paint prep product and can be used on virtually any substrate – metal, fiberglass, plastic, painted finishes, etc. Product Type: Sealer. Activator/Hardner used: 6254 6321.