Q: Can I use alcohol to clean PCB?

A: Isopropyl alcohol is widely recognized as an excellent choice for cleaning PCBs and electric boards due to its affordability and rapid evaporation rate. In comparison to alternative cleaning agents employed for similar applications, alcohol boasts a lower chemical composition. It is crucial to ensure that the isopropyl alcohol utilized for circuit board cleaning possesses a concentration of 90% or higher.

A: Tap water is adequate for ultrasonic cleaning purposes. Purified water or distilled water possesses an equivalent cleaning efficacy to regular tap water. However, when dealing with silver or copper items that have undergone oxidation and consequently darkened, the addition of specific solutions to the water is necessary to eliminate the oxidation.

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