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Old 02-27-2023, 10:25 PM
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Default Rust prevention spray testing

I thought this would be interesting to some. The findings surprised me .


https://www.practical-sailor.com/boa...n-coating-test
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Last edited by turbo69bird; 02-27-2023 at 10:42 PM.
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Old 02-28-2023, 12:57 AM
hurryinhoosier62 hurryinhoosier62 is offline
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We used LPS-3 in aircraft maintenance. Only solvent would remove it.

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Old 02-28-2023, 02:03 AM
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Quote:
Originally Posted by hurryinhoosier62 View Post
We used LPS-3 in aircraft maintenance. Only solvent would remove it.
Yeah I use it one my spherical rod ends in my airplane as well. It was the CRC that really surprised me . 4 for the price of one LPS3

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Old 02-28-2023, 02:18 AM
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A few months back I shared a similar comparison I saw online. Not sure how many products are common to yours but will check it out.

https://forums.maxperformanceinc.com...8&postcount=69

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Old 02-28-2023, 04:01 AM
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It seems many tests are done with "bare steel" which is often NOT the case in many of our needs.
I too like LPS-3 and was turned on to it at the paint shop at the Base. ( the paint booth there had a film of OIL running down the walls to get rid of the dust as we slung Lead based DP40 on Bomber wheels!)
That said, for winter on the underside of a vehicle I like Woolwax when installed correctly. It can and does withstand underbody washes.
I like cavity wax inside door seams.
Its not inhibiting anything though, its just keeping the O2 away from metal and will sorta soak into surface rust.
Underhood, if its bare metal I always grab the RPM. This stuff keeps an alternator new for literally decades.
Just seems rare you get a chance to coat a piece of metal in the auto industry that isn't already Zinc or other anodized, or parkerised
I do use Boeshield on all the original bolts I parkerize, about 20 lbs last year.

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Old 02-28-2023, 04:08 AM
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Thanks for posting that link great info there . I’m always suprised none of these test include cosmoline.

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Old 02-28-2023, 04:29 AM
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Quote:
Originally Posted by turbo69bird View Post
Thanks for posting that link great info there . I’m always suprised none of these test include cosmoline.
Cosmoline is a lot like woolwax and doesn't really have any adhesion qualities to speak of, so its avoided in tests with high pressure washers .
Back in the '70's our Pontiac dealership used Quaker state oil and so we had a product called "Quaker Coat" for undercoating, which was very waxy and didnt get hard like normal undercoatings of the day.
Most all the Iron engine parts we got shipped to us had cosmoline on them though.

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Old 02-28-2023, 08:39 AM
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Here is another product I've used for application on bare metal to metal that has some rust on it. It firms up after a couple days. The stuff is awesome. https://zero-rust.com/

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