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CONTACT TIME

The length of time a substance is in contact with a liquid, before it is removed by filtration or the occurrence of a chemical change. The most prevalent industry application is to ensure that the surface is kept visibly dampened for the total contact time indicated on the merchandise label. The contact time, which is also called by experts as the wet time, refers to the point that disinfectants must stay soaked onto a surface to guarantee productiveness. It is decided upon by the producer who must stay within EPA-approved solutions for effective microbiological testing. Contact times generally last anywhere from 20 seconds to 10 minutes during the disinfection process, which is the maximum time allowed by the EPA. Disinfecting products normally consist of directions that tell users to make sure that the surface is noticeably soaked for the contact time.