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10-27-2016, 07:04 PM
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Join Date: Jun 2012
Location: Frederick, MD
Posts: 821
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Quote:
Originally Posted by rv7charlie
Is this the product series being discussed?
https://objects.eanixter.com/PD372804.PDF
If so, I don't see any mention of carbon in the description of ingredients. It would seem highly unlikely that there would be, since the point of using it is to prevent corroded joints, and carbon would cause corrosion on aluminum house wiring/products just like aircraft products.
Charlie
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That is a different product than I used in the past. You are correct, no graphite- If that is the product being discussed
__________________
Dan Morris
Frederick, MD
PA28-140
Hph 304CZ
RV6 built and sold
N199EC RV6A flying
Learn the facts. "Democracy dies in darkness"
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10-27-2016, 08:38 PM
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Join Date: Jan 2005
Location: NC25
Posts: 3,508
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Quote:
Originally Posted by Captain_John
Gary, what confuses me is your statement about a conductive and non-conductive alodine.
Alodine is a conversion process. The alodine doesn't remain on the aluminum.
All that is left is an aluminum chromate layer which IS conductive. It converts the surface of the aluminum. It doesn't coat it at all.
 CJ
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I am extremely familiar with Alodine. Almost all of the Alodine and or Iridite I have use is NON-CONDUCTIVE Class 1A. IF one wants a conductive Alodine, they need to make sure that it is Class 3 so that it will conduct some electricity.
For the average homebuilder, it is better to stay away from Alodine when you want an electrical connection on aluminum. Most homebuilders will not know about Class 1A and Class 3. Alodine 1001 is Class 3 and conductive. Alodine 1201 is Class 1A and non-conductive.
__________________
Gary A. Sobek
NC25 RV-6 Flying
3,400+ hours
Where is N157GS
Building RV-8 S/N: 80012
To most people, the sky is the limit.
To those who love aviation, the sky is home.
Last edited by RV6_flyer : 10-27-2016 at 08:39 PM.
Reason: spelling
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10-27-2016, 08:42 PM
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Join Date: Jan 2005
Location: NC25
Posts: 3,508
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Quote:
Originally Posted by RVDan
That is a different product than I used in the past. You are correct, no graphite- If that is the product being discussed
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Penetrox A is the product that I have been using for decades.
__________________
Gary A. Sobek
NC25 RV-6 Flying
3,400+ hours
Where is N157GS
Building RV-8 S/N: 80012
To most people, the sky is the limit.
To those who love aviation, the sky is home.
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10-28-2016, 04:15 PM
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Join Date: Jan 2006
Location: PA
Posts: 264
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At the last 2 helicopter MROs I worked for, we used Penetrox A and a bead of proseal around the antenna base, for antenna installs where the customer was too cheap to spring for the Av-DEC conductive gaskets.
__________________
Ken
Helicopter mechanic (A&P)
USAFR KC-10 Boom Operator, on final approach to retirement
My RV-9/8/7 dream may be on life support, but it ain't dead yet!
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10-29-2016, 11:26 AM
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Join Date: Jul 2005
Posts: 1,347
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Quote:
Originally Posted by RV6_flyer
I am extremely familiar with Alodine. Almost all of the Alodine and or Iridite I have use is NON-CONDUCTIVE Class 1A. IF one wants a conductive Alodine, they need to make sure that it is Class 3 so that it will conduct some electricity.
For the average homebuilder, it is better to stay away from Alodine when you want an electrical connection on aluminum. Most homebuilders will not know about Class 1A and Class 3. Alodine 1001 is Class 3 and conductive. Alodine 1201 is Class 1A and non-conductive.
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Gary,
The data I have read indicates that Class 1A is less conductive, but not non-conductive. Class 3 is preferred for applications requiring low-conductivity, but conductivity is proportional to film thickness and class 1A will still be conductive enough for our purposes. All of my samples (Iridite 14-2) are conductive and I would have to break out the milliohm meter to see any appreciable difference between the coated and un-coated condition. If the average builder stays with a light iridescent gold finish, they'll be fine.
__________________
Mike W
Venice, FL
RV-6A. Mattituck TMX O-360, FP, GRT Sport EFIS, L3 Lynx NGT-9000
N164WM
N184WM reserved (RV-8)....finishing kit in progress. Titan IOX-370
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