elma opto clean has itself proven to the cleaning of glasseses and glasses frame in ultrasound-baths, for optical glasses, also from plastics with coatings (anti-reflection - and hard-coatings), composed fine-optical prefabricated parts. Off sparing fat - and perspiration-settlements, fingerprints, lightens tarnished metal-settings again. Cause no damages also with repeated application at glasseses. Application and dosage: elma opto clean in the volume-relationship 1:20 with water mixes, 5%ig. according to contamination approximately 1-10 min with 20-40°C in the ultrasound-bath cleans. After it the parts under flowing water rinses and dries off.
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