[Collins] Have fun Alodining -- More

[Dr.Gerald N. Johnson]

Dr. Gerald N. Johnson, Electrical Engineer
----- Original Message -----
<SNIP>

> we 
> routinely treated aluminum structural members with Alodine obtained from 
> a wonderful company called Aircraft Spruce.  Well, they're still around 
> and still selling metal prep chemicals, including Alodine.   Go to:
> 
> http://www.aircraftspruce.com/pdf/catalog/Cat06324.pdf
> 
> for more info and become as obsessive as me!
> 
> 73,
> 
> Craig
> W3CRR
> 
> 
> 
Besides accepting variations in color, as I recall, Alodine doesn't work on steel, that steel has to be plated, used to be cadmium, maybe zinc plated today with cad plate in ill repute.

73, Jerry, K0CQ, Technical Advisor to the CRA