It penetrates, dissolves and removes grease, dust, grime and carbon residues from electric equipment. Spray the product generously and leave to dry by evaporation for perfectly clean, dry parts. Evaporates without residues. Does not corrode. Does not alter conductivity. Restores correct operating conditions. Inert on most plastic. To provide suitable protection and lubrication, use EM243 Multipurpose Electric Do not apply to live devices.