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Expert Panel Contributors:
Cleaning No-clean Flux with Tap Water

Cleaning No-clean Flux with Tap Water
What happens when using tap water to clean boards assembled with no-clean flux, that had components hand soldered with water soluable flux?
Views: 1435



Details

What happens when cleaning no-clean flux with normal tap water?

We are currently using a no-clean process for our SMT board assembly. However, on occasion, our thru-hole assembler will use a solder with a water soluble flux to assemble the thru-hole portion of the board.

The assembler will then attempt to clean the board using ordinary tap water using a brush, allowing the water to run over the board. The assembler then dries the board with compressed air.

Comments and Questions

In a hand rework situation, with no clean flux, can I leave some flux on the board that has not been reacted?

T.C.


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