Q. Which Alconox cleaners can be used on Aluminum?
A. The Alconox brand cleaners recommended for cleaning aluminum are Alconox, Liquinox, Tergazyme, Alcojet, Alcotabs, Detojet, Citranox, Luminox, Citrajet, Solujet and Tergajet. Detergent 8 is not recommended for cleaning aluminum. Aluminum forms a natural passive layer in air that allows it to be successfully cleaned without adverse reactions with cleaner. A passive layer forms in under an hour, provided there is no oily film present. Once the passive layer is formed, the recommended Alconox brand cleaners can be used to clean the aluminum at concentrations of less than 5% at 90 deg C or less for up to one hour.
When cleaning aluminum, it is assumed that the aluminum has been exposed to air and has formed the typical aluminum oxide layer prior to cleaning. If recently machined, aluminum must be cleaned and it cannot be allowed to air passivate. Therefore, a cleaner that contains appropriate metasilicate inhibitors such as Solujet, Detojet, Alcojet or Tergajet must be used.
Q. Which Alconox cleaners are low foaming for use in mechanical washers?
A. Alconox, Inc makes both powder and liquid; acid and alkaline; and phosphate containing and phosphate-free low foaming cleaners. You need a low foaming cleaner for use in mechanical washers that rely on spraying to clean surfaces.
Q. To comply with air quality requlations, the use of low volatile cleaning compounds is often required. How much volatile organic compounds (VOC) are in Alconox cleaners? A. The use of aqueous cleaners
Q. How do you clean fingerprints on glass and aluminum?
A. Fingerprints on bare aluminum that has been polished or abraided in a way that damages the protective oxide layer will potentially etch the aluminum and leave a hard to remove fingerprint. The same thing happens with lime-soda glass (window glass, as distinguished from the more robust borosilicate glass found in lab glassware) where a fingerprint can eat into the glass and etch in a hard to remove fingerprint.
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