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Electronics Forum: peelable 20mark discoloration (1)

Ammonia in Peelable solder mask compatability to lead free

Electronics Forum | Wed Jun 22 15:03:12 EDT 2005 | patrickbruneel

The only thing ammonia can do is tarnish copper and make it more difficult to solder. And the higher temp in lead-free will discolor the latex (giving it a sticky surface), but the functionality of the mask will be intact. There should be greater co

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