Ideal Temperature for Cleaning

Question:
What is the ideal temperature for cleaning ultrasonically and spray washing?

Answer:
The Aqueous Cleaning Handbook, written by the technical support team at Alconox, discusses heat and cleaning applications on page 23.

In general, higher-temperature cleaning solutions result in better cleaning. In practice, there is typically an optimum temperature for a given combination of cleaning variables. Many soak, manual, and ultrasonic cleaning methods work best, for example, at 50°C to 55°C. Many spray washing techniques work best at 60°C to 70°C.

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