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Will TCE at 187 °F Hurt Silver?

Q. I degrease small silver parts in Trichloroethylene at 187 °F. I was wondering if there are any negative effects on the silver plating or the electrolytic phos nickel underplate.

James Patton
Wauconda Tool & Engineering - Algonquin, Illinois USA
October 24, 2017

A. Hi James. TCE is safe for most metals, although you should probably be investigating a more forward looking cleaner for environmental reasons. And 187 °F is not very hot at all. In the unlikely case that the plating blisters at that temperature, I'd say the plating was not right :-)

Regards,

Ted Mooney, P.E. RET
Striving to live Aloha
finishing.com - Pine Beach, New Jersey
October 2017

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