Home /
T.O.C.
FAQs
 
Good
Books
Ref.
Libr.
Advertise
Here
Help
Wanted
Current
Q&A's
Search 🔍
the Site
pub Where the world gathers for
plating, anodizing, & finishing Q&As since 1989





-----

Salt Spray hours on Zinc





April 14, 2010

Is there information on salt spray hours of zinc plating without chromates to red rust?
Is there a chart that tells you the hours to red rust per tenth of zinc?

Nancy Solis
Engineer - Phoenix, Arizona



April 21, 2010

Hi Nancy,

The short answer is no. The time to red is totally depenant on the zinc plating thickness with no chromate involved.

Trent Kaufman
Trent Kaufman
electroplater - Galva, Illinois



April 23, 2010

Hi Nancy Solis,

Normally, platings are microporous in Nature, To arrest that microporous we are doing the Chromate conversion on the surface after Zinc plating.

All the Standards will refer the salt spray Hours only with passivation.

Any specfic reason,you need to do without passivation?

Kannan Boopathi
- Salem,Tamil Nadu, India


none
finishing.com is made possible by ...
this text gets replaced with bannerText
spacer gets replaced with bannerImages

Q, A, or Comment on THIS thread -or- Start a NEW Thread

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.

If you are seeking a product or service related to metal finishing, please check these Directories:

 
Jobshops
Capital
Equipment
Chemicals &
Consumables
Consult'g, Train'g
& Software


About/Contact    -    Privacy Policy    -    ©1995-2023 finishing.com, Pine Beach, New Jersey, USA