Zinc electroplating over Malleable and Gray Iron

I have pieces of Malleable and Gray Iron for Zinc electro plating. In this moment my process is:

1. Cleaning (abrasive blast and mild pickling)

2. Application of a flash plate

3. Normal Zinc electroplating (NaCN-ZnO-NaOH)

But the application of a flash plate is a problem for us, for the time. Is possible other process? Thanks,

Francisco Flores
- Saltillo, Coah. Mx
2000

First of two simultaneous responses--

Dear Mr Francisco,

By all means start using chloride Zinc instead of alkaline Zinc and forget about the flash Zinc forever.

Find a proprietary Vendor and let him take over.

Khozem Vahaanwala
Saify Ind

Bengaluru, Karnataka, India

2000

Second of two simultaneous responses--

What is the process you call "flash plate"?

Bill Hemp
tech svc. w/ chemical supplier - Grand Rapids, Michigan
2000

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