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topic 2685

Potassium Hydroxide for activation of thru-hole PCB plating


I was interested to see if anyone had heard of using a potassium hydroxide solution as an activator in through hole plating and the process by which this occurs. Thanks, Josh

Joshua C [last name deleted for privacy by Editor]
Virginia Tech


Joshua, Actually, potassium hydroxide has high conductivity relative to sodium hydroxide. So potassium hydroxide based formulations have relatively high throwing power, often used in thru-hole plating. I do not think it is a real activator. Ling

Ling Hao
- Grand Rapids, Michigan

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