Elma tec clean N1 is suitable for the non-aggressive ultrasonic cleaning of metal surfaces and sets of parts. Effectively cleans light metals, precious metals, synthetics, glass, ceramics and rubber by removing oils, greases, polishing, grinding and honing products as well as dust, fingerprints, traces of perspiration. Also suitable for cleaning in jewellery workshops or for cleaning jewellery worn. A non-alkaline, acid-free, odour-neutral, biodegradable product.