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VPCI-415 Heavy Duty Degreaser

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ChangDriver

Joined: 15 Sep 2007
Posts: 266

Posted: Fri Nov 02, 2007 4:55 pm Post subject: VPCI-415 Heavy Duty Degreaser

Has anybody heard of this stuff?  Aircraft Spruce just started selling it.  I don't get it.  It says it is alkaline (pH 8.0 to 8.7).  Other alkaline cleaners (Original Simple Green) are not recommended for aluminum.  However, this product is claimed to be used by the Coast Guard in salty environments due to its anti-corrosion properties.



Any chemists (amateur or professional) want to comment!!



Craig

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AV8ORJWC

Joined: 13 Jul 2006
Posts: 1149
Location: Aurora, Oregon "Home of VANS"

Posted: Fri Nov 02, 2007 10:28 pm Post subject: VPCI-415 Heavy Duty Degreaser

Hydrogen Embrittlement.  Google it and do your research.  Coast Guard

has principally steel hulled ships.  The fast pursuit craft are a

magnesium variant on aluminum.  The new Aircraft Simple Green is

aviation aluminum tolerant.



The DOD is up to speed on hydrogen Embrittlement of fasteners and their

premature fractures.  No chemist, I just play an airline mechanic by

night and an IA on the weekends.



You are right in that it is about hydrogen atoms and needs a chemist.

Also Google faying action on aluminum skin overlap areas.



John



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Dale

Joined: 30 May 2007
Posts: 178

Posted: Sun Nov 04, 2007 7:07 pm Post subject: Re: VPCI-415 Heavy Duty Degreaser

Have you ever looked at Evergreen's product called Sufasol-315. It is anti corrosive and works great. It is from Canada.

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jonboede(at)hotmail.com
Guest

Posted: Sun Nov 04, 2007 10:41 pm Post subject: VPCI-415 Heavy Duty Degreaser

Any opinions on using Goop hand cleaner to cut the really ugly stuff?  

Anybody know if it's friendly with aluminum?



Jon

 	  Quote: 	
		  From: "Dale" <hdinamic(at)qwest.net>

Reply-To: yak-list(at)matronics.com

To: yak-list(at)matronics.com

Subject: Re: VPCI-415 Heavy Duty Degreaser

Date: Sun,  4 Nov 2007 19:07:54 -0800






Have you ever looked at Evergreen's product called Sufasol-315. It is anti 

corrosive and works great. It is from Canada.





Read this topic online here:



http://forums.matronics.com/viewtopic.php?p=143906#143906

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dave(at)davelaird.com
Guest

Posted: Mon Nov 05, 2007 1:35 pm Post subject: VPCI-415 Heavy Duty Degreaser

Hi Jon,



I've used the white, non-abrasive version of Goop hand cleaner to  

clean the belly of my CJ a few times, works REALLY well...

but i don't make a habit of using it because i've always been  

concerned that it might not be friendly with aluminum...although it  

seems fine on my hands!!



Lately my favorite cleaners are by a company called Aero Cosmetics.



They make a general cleaner/wax called "Wash Wax All" that's pretty  

good on the top of the wings etc....

But they also make a "Belly Wash" version that is probably better  

suited to radial engined planes in general, since we

get them so oily!!

And also, for really getting the tougher stuff of the belly they have  

a "Wash Wax All Degreaser" that is good.



I bought a case online...



http://www.aero-cosmetics.com/products.php

They say all their products "Meets Boeing Aircraft spec. D6-17487"

I am not affiliated with them in any form or fashion...



Dave Laird

N63536  1983 CJ6A  "Betty"

Dallas  (ADS)

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