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The effects of anti-static packaging on electro-plated zinc finishes
After assembly, our company puts an anti-static pink poly bag over our chassis. I have discovered that after the cahssis is put into a crate and shipped across the country- whether by air or ground- the bag leaves marks in the electroplated zinc finish ("Bright Zinc plate per ASTM B633 TYPE III (CLEAR) SC 2.").

Note: It's typically at least a week before the plated material gets bagged. Should we even use this kind of packaging? What can be done to prevent the marks?
Thanks,
Jon Perdue
- San Jose, California, USA
Are you using a dessicant bag to absorb moisture? Does the chassis have any creases that can trap processing solution?
Tom Pullizzi
Falls Township, Pennsylvania
Disclaimer: It's not possible to fully diagnose a finishing problem or the hazards of an operation via these pages. All information presented is for general reference and does not represent a professional opinion nor the policy of an author's employer. The internet is largely anonymous & unvetted; some names may be fictitious and some recommendations might be harmful.
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