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Matte tin finish vs bright tin finish [New York]

Other than the obvious difference between a bright tin plate finish and a matte tin plate finish, what are the corrosion resistance, electrical resistance and mechanical differences between the two finishes?

Thomas Nedlik
Failure Analysis Engineer - Johnson City, NY, USA
February 26, 2009

February 26, 2009

Hi, Thomas. The big difference is that the matte tin is more solderable because it does not have organic brighteners to interfere.

Regards,

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

March 3, 2009

SOME THEORIES CLAIM THAT MATTE TIN HAS LESS WHISKERS PHENOMENON
BECAUSE HE HAS LESS TENSION STRESS.
ANYWAY IS EASIER TO SOLDER

Ricardo Burstein
Bnei Berak, Israel

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