Elma tec clean A1 is used for the fine ultrasonic cleaning of glass and ceramic substrates as well as optical and electronic modules: spectacle lenses, precision optics (mounted or unmounted), electromechanical modules and printed circuits. Also used to clean and brighten yellowed plastic parts. Dirt such as light polishing suspensions, oils and greases, flux, dust, fingerprints, tea, Coca Cola and milk residues are removed. Also suitable for maintenance cleaning of printed circuit boards and plastic parts (case). Yellowed housing parts and strips are lightened.