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April 2009

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Subject:
Re: Plating on screws
From:
R Sedlak <[log in to unmask]>
Reply To:
TechNet E-Mail Forum <[log in to unmask]>, R Sedlak <[log in to unmask]>
Date:
Thu, 23 Apr 2009 09:38:23 -0700
Content-Type:
text/plain
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text/plain (61 lines) 
Gary:
Almost independent of environment, a chromated zinc plate will be somewhat better than a clear zinc, and MUCH better than a phosphate.  (Of course, I speak pre-ROHS data,  I cannot comment on ROHS compliant "chromates".)

Rudy Sedlak
RD Chemical Company

--- On Thu, 4/23/09, Gary Camac <[log in to unmask]> wrote:

From: Gary Camac <[log in to unmask]>
Subject: [TN] Plating on screws
To: [log in to unmask]
Date: Thursday, April 23, 2009, 6:09 AM

Which finish would provide better corrosion resistance - Zinc (clear or
chromate) or Black phosphate?

TIA

 

Gary Camac

Senior Manufacturing Engineer

DICKEY-john Corp.

5200 Dickey John Road

Auburn, IL 62616-0010

Telephone 217-438-2288

[log in to unmask]

 


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