1, with the wool glass method to detect the strength of ultrasonic cleaning machine, just put the frosted glass into the ultrasonic cleaning machine. And set the specified time. After the time is over, remove the hair glass to check the cleaning effect. By testing the cleaning strength by the method of hair glass block, it was found that the location has a certain effect on the size of the monitoring project.
2, aluminum foil test method in the use of aluminum foil test method for detergent testing, it will be found that the 10um aluminum foil paper after the test shows serious damage, so it can not judge the cleaning effect, but for other thicknesses of the aluminum foil test, the gap between its pass rate is relatively small.