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The easiest way to apply KONTAKT 40 is by spraying (e.g. from the aerosol can). Parts which are wet from preceding processes can be dried and corrosion protected in a single operation using the spray method. Before spraying on electrical or electronic equipment, switch off the devices. KONTAKT CHEMIE Kontakt 40 is also used as a cleaning agent for stainless steel and aluminium surfaces. Conservation and cleaning are achieved in a single operation. The thin oil film already evens out traces of pitted corrosion. New parts receive protection against accidental contact.  The combination of cleaning, lubricating and anti-corrosion actions has proved itself suitable for routine maintenance work on machine tools. For soft metals such as aluminium and copper, KONTAKT CHEMIE Kontakt 40 is an excellent means of preventing lubricating chip formation in machining operations. The life of the corrosion protection which can be achieved depends on the local conditions and must be routinely tested when the product is first used under these conditions. When the conditions are critical, this must be done within a week. Avoid combinations with other anticorrosion agents. KONTAKT CHEMIE Kontakt 40 does not usually need to be removed for standard operations. Where required, it can readily be removed using aqueous-alkaline cleaners (not for aluminium!) or solvent cleaners e.g. KONTAKT CHEMIE degreaser 65. A safety data sheet (SDS) according to EU directive 91/155/EEC and amendments is available for all CRC products