One of the three products was diluted to 5% using DI water and two others were diluted to 50% in 600 ml beakers. The cleaning solutions were heated to 130 F in an ultrasonic tank.
The supplied parts were coated with Westfield Coatings Corp urethane paint mixtures. One end of spindle was immersed into a cleaning product and cleaned for 30 minutes using a 40 kHz ultrasonic tank. Visual observations were made at 5, 10, 20 and 30 minutes. After the cleaning, the part was rinsed in a tap water spray for 15 seconds at 120 F and air dried for 30 seconds at room temperature. The parts were then rubbed with a gloved hand to determine how easily the paint could be removed.
Due to the number of supplied parts with this paint type, one spindle was cleaned in two products, one per each end.