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The Santa Fe Symposium

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The Premier Conference for Jewelry Makers From 1987–2022

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The Santa Fe Symposium

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Selecting the Proper Packaging Materials for Tarnish-Sensitive Jewelry

Keith Donaldson - Engineered Materials, Inc., USA

Keith Donaldson is the president of Engineered Materials, Inc. in Buffalo Grove, Illinois. He holds a B.S. in chemistry and chemical engineering from Wayne State University and an M.S. in engineering management from Northwestern University. He holds five patents and has developed numerous products in several fields including electronics, medical, automotive, termite repellant and aerospace. Keith is a board member of Masters of Engineering Management at Northwestern University. This is his fifth presentation at the Symposium.

Keith Donaldson - Engineered Materials, Inc., USA

Keith Donaldson is the president of Engineered Materials, Inc. in Buffalo Grove, Illinois. He holds a B.S. in chemistry and chemical engineering from Wayne State University and an M.S. in engineering management from Northwestern University. He holds five patents and has developed numerous products in several fields including electronics, medical, automotive, termite repellant and aerospace. Keith is a board member of Masters of Engineering Management at Northwestern University. This is his fifth presentation at the Symposium.

Selecting the Proper Packaging Materials for Tarnish-Sensitive Jewelry

Selecting the Proper Packaging Materials for Tarnish-Sensitive Jewelry

A study of corrosion on a series of silver rings will be presented, discussing causes of tarnish but also providing methodology for isolating individual parts of the packaging (dissecting the packaging and using each part in a corrosion study) and using them individually to determine their impact on tarnishing of the product. The methodology employed can be utilized by companies with limited equipment and generally found in production operations. A general review of materials commonly used in packaging will also be provided, highlighting techniques to use to determine their impact on increasing or causing tarnish. Active anti-tarnish packaging materials will also be reviewed in the context of how they work.

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