Cleaning Keyboards With An Ultrasonic Cleaner - Case Study Customers Criteria: To ?nd a quick process to cleaning keyboards. To remove general dirt & grease Component: Keyboards Material: Plastic Contamination prior to cleaning: General ?nger grease and dirt Total number o?: 4 Number o? per run: 1 Process for cleaning keyboards: Each keyboard was processed individually in the Mi40 wash tank using our Galvex 18:01 with a concentration of 3% for 5 minutes. After the cycle has completed the keyboard was immediately removed and placed in the rinse tank for a further 5 minutes. This is to ensure any dirt or cleaning ?uid left on the keyboard is removed and will not dry on or stain the keyboard. After the rinse cycle, the keyboard was placed into the Mi dryer unit for 20 minutes at 45°C. % Sa

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