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Ultrasonic frequency – a key factor for achieving
the right component cleanliness ))

When it comes to ultrasonic cleaning, the rule of thumb is: the lower the frequency, the higher the energy released by the ultrasonic waves. If the frequency is too low, this can damage sensitive cleaning objects, yet too high a frequency leads to substandard cleaning results.

Lower frequencies (25 kHz to 40 kHz) are generally used for more coarse soiling, while higher frequencies (80 kHz to 120 kHz) are more effective for fine soiling and cleaning parts with very fine structures. In the high-frequency range, frequencies of around 60 kHz to 200 kHz are used. The ultrasonic frequency of 500 kHz (hypersonic) to 1 MHz (megasonic) is used for non-destructive cleaning of extremely fine structures and highly sensitive microstructures to ensure that these do not suffer any damage.

Fields of ultrasonic application 01Fields of ultrasonic application 02

25 to 40 kHz

For cleaning particles,
grease and oils from hard,
unpolished surfaces


Fields of ultrasonic application 04Fields of ultrasonic application 06Fields of ultrasonic application 05Fields of ultrasonic application 07

40 to 120 kHz

Up to 80 kHz: fine cleaning of polished surfaces;
120 kHz and higher: superfine cleaning


Fields of ultrasonic application 10 and 11Fields of ultrasonic application 03

250 kHz to 1 MHz

For superfine cleaning of high-gloss polished surfaces
(500 kHz and higher: non-destructive cleaning)




parts2clean October 2017

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Weber Ultrasonics Asia Sdn. Bhd.
Kota Kemuning
3, Jalan Mokara 31/46
MAL-40460 Shah Alam
Selangor Malaysia

China+86 1501 3188088
Malaysia+60 1268 18108
Thailand+66 8250 68168

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