Sprayon® EL2020 Plastics Safe Contact Cleaner Aerosol is a fast-evaporating, non-flammable electronic/electrical cleaner that leaves no residue, is safe on all metals and most plastics and may be applied while equipment is operating. An alternative to Freon® TF113 (1,1,2-Trichloro-1,2,2-Trifluoroethane) and Freon® 141B (1,1-Dichloro-1-fluoroethane).