----[Please read http://ercoupers.com/disclaimer.htm before following any advice in this forum.]----Earl, the chemical is phosphoric acid. You can get it from Poly Fiber. Be very sure to follow instructions carefully, diluting properly, applying with maroon Scotch Brite, and rinsing thoroughly with water and drying with compressed air. You can then go over the surface with Alodyne, which is chromic acid, also available from Poly Fiber. Apply with a small paint brush or rag, keep rubbing for about 4 minutes, and again rinse thoroughly with water and dry with compressed air. The Alodyne protects against further corrosion. Follow the Alodyne with zinc chromate primer.
Syd Cohen
[EMAIL PROTECTED] wrote:
----[Please read http://ercoupers.com/disclaimer.htm before following any advice in this forum.]----While doing the Center section AD, my mechanic wants to tend to the light serface corrosion in accordance with AC 43-4A. This AC basically says to remove it by mechanical or chemical means. It matter of factly suggests that light corrosion can be removed chemically by using Corrosion removing compound MIL-C-38334, Type 1. Any one have any ideas where to aquire this material, or the FAA equvilant?Earl Schell
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