Letter 39033

Inspection of ZAMAK coated with Ni/Cr  

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Hi all,
We are planning to manufacture some ZAMAK parts with nickel chrome, the parts must have a good corrosion resistance and a lasting fine shiny looking also.So we really needs to know what tests do we have to do on the products to be sure that those 2 goals will be met?
Some people have suggested B-117 [link is to spec at TechStreet] or CASS tests,are those the right tests we need?If yes how can we do them?
Your respond would be greatly appreciated
Thank you.

Mansour T. Gaafar
Plastics Manufacturing - Cairo, Egypt

Hi,

You need to specify more information.
As there are various zamak alloys (#3, #5, #7 etc), and are they being rack plated or Barrel.
What is the end use, and any other specifications.

Sridhar Bushigampala
- Toronot, ON, Canada

Dear Sridhar,
Thanks for your response.
We are intending to use ZAMAK #3,and they are intended to be Barrel plated.
The end use is a cubic pivot part used for riveting the cover of water cycle suite in the toilet.
The kind of test we need is a test that we can frequently run in the factory.

Mansour T. Gaafar
Plastics Manufacturing - Cairo, Egypt

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