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To evaluate selected products on third set of spindles using ultrasonic cleaning
One of the three products was diluted to 5% using DI water and the other was diluted 50% in 600 ml beakers. The cleaning solutions were heated to 130 F in an ultrasonic tank.
The supplied parts were coated with a water based paint mixture. 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.
The products removed most of the paint from the supplied parts. The observations made for each product are listed in the table below.
|Inproclean 4000 T||5||1-Top||No visual change|
|10||Paint coming off|
|20||Still paint at tip|
|30||Pull paint off of tip; Mostly clean|
|Inproclean 4000 T||5||1-Base||Paint peeling off; oil coming off|
|20||Some paint hard to remove|
|30||Still paint remaining; Mostly clean|
|SC Acitisolv||5||2-Top||Paint peeling off base; coming loose|
|10||Peel off paint|
|SC Actisolv||5||2-Base||Paint falling off; good removal of oil|
|10||Good removal of paint and oil|
Success Rating:A follow up test, usually based on company input.
Both products removed most of the oil and paint from the spindles after 30 minutes of ultrasonic cleaning.