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What is "IMMUNIZE" finish?

Q. We have a current drawing that shows the finish as "IMMUNIZE". The material is 303 stainless steel. Is IMMUNIZE the same as Passivate?

Tim Carpenter
QA Manager - Rancho Cordova, California
December 12, 2019

A. Hi Tim. Apparently! At least so said Milt Stevenson in thread 39665.

But you've never heard of it, I don't recall ever having heard the term, Milt called it old-school in his posting from 13 years ago, and the term appears nowhere else on this site ... so I'd suggest that the buyer consider updating the drawing :-)

Regards,

Ted Mooney, P.E. RET
Striving to live Aloha
finishing.com - Pine Beach, New Jersey
December 2019

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