Tag Archive | "printed circuit boards"

One Detergent for Mold Release and Circuit Board Cleaning?

Q: What types of Alconox, Inc. detergent would I use to clean a mold release agent? As an aside, is there any chance I could use the same detergent to also clean copper traces off a printed circuit board?

A: Yes! You may indeed be able to use one detergent in both these cleaning applications. But it will only work if the copper is not in the form of an oxide. Here’s why.

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Posted in Alconox, Detergent 8, Detonox, Electronic, Metalworking & Precision ManufacturingComments (0)

Cleaning Solder Flux Residue

Q. I am seeing a white powder around solder joints on PCBs. We use Detergent 8 for cleaning. Do you know why this is happening and how to stop it?

A. The most likely source of white powdery residue around solder joints on PCBs is the formation of insoluble metal salts from the solder flux. Lead or other solder metal rosinate, abietate, or other organic acid salt tends to form when soldering temperatures are too hot. Using any water based cleaner …

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Posted in Citrajet, Citranox, Detergent 8, ElectronicComments (0)