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Flyboy
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Tefgel

Postby Flyboy » Fri Apr 12, 2019 2:27 am

Gone through the small Tefgel tube that came with my Zeeko alloy foil. I notice that Home Depot have an "anti-corrosion gel" that would appear to do the same thing as Tefgel. It's much cheaper & readily available.

https://www.homedepot.ca/product/superl ... 1000735860

Any reason to stick with Tefgel?

Also, is the corrosion potential similar in fresh water - somewhat less, or a lot less?
Last edited by Flyboy on Fri Apr 12, 2019 6:35 am, edited 1 time in total.

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Re: Tefgel

Postby jumptheshark » Fri Apr 12, 2019 5:01 am

Think you’re fine with that, and way less corrosion issues in fresh water.

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Re: Tefgel

Postby Flyboy » Fri Apr 12, 2019 6:34 am

It seems like these "anti-corrosion" lubricants are designed to inhibit deterioration of the electrical components of marine engines, which would, I assume, be more sensitive than simply seized screws?

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Re: Tefgel

Postby tomtom » Fri Apr 12, 2019 8:24 am

you need something with high electric resistance - thats why teflon in tef gel. Anticorrosion is simply matter of not letting water to the surface - carbon grease will work for corrosion but not for galvanic seizing.
So im not telling that this stuff will not work just saying why there is teflon.

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Re: Tefgel

Postby jumptheshark » Fri Apr 12, 2019 10:27 am

If you check the link he posted, it says right there in the description

High dielectric capability, so it’s also a galvanic insulator.

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Re: Tefgel

Postby tomtom » Fri Apr 12, 2019 10:54 am

Sorry i did not check - i just want to point about dielectric properties in general

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Re: Tefgel

Postby AndersP » Fri Apr 12, 2019 1:48 pm

I use ptfe-gel. Should be the same as tef-gel but way cheaper. Ptfe=polytetrafluorethylen=teflon.

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Re: Tefgel

Postby Flyboy » Fri Apr 12, 2019 3:20 pm

Actually - I notice that there seem to be two different products available at Home Depot:

Superlube 3 oz. Tube Synthetic Grease with Syncolon PTFE

Superlube 3 oz. Tube Silicone Hi-Dielectric & Vacuum Grease

The second one is more expensive than the first. Don't know if the "hi-dielectric" properties are required?

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Re: Tefgel

Postby borist » Fri Apr 12, 2019 7:32 pm

Flyboy wrote:
Fri Apr 12, 2019 3:20 pm
Actually - I notice that there seem to be two different products available at Home Depot:
Superlube 3 oz. Tube Synthetic Grease with Syncolon PTFE
I'd go for this one. Seems to check all the boxes.
Tefgel is PITA to work with because of its high adhesion/stickiness, but that I believe makes it work well. I use it in design of our equipment for marine environment. Guys in assembly bitch and moan, but results are good.
If you go for Superlube, check the joints more often at first to see if does not get flushed out easily.
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Re: Tefgel

Postby tkaraszewski » Fri Apr 12, 2019 7:32 pm

Flyboy wrote:
Fri Apr 12, 2019 2:27 am
Also, is the corrosion potential similar in fresh water - somewhat less, or a lot less?
It is *way* lower in fresh water. My home spot is a freshwater river, and I can kite all summer there with no signs of corrosion showing on my foil at all, but on vacation, I start to see small signs of corrosion in saltwater in a week or two.

That said, I still prefer the marine products for my foils, tef-gel or lanocote. Yeah, they're more expensive but you use such a small amount, they last a long time. You can probably get away with using just about anything, though, Moses foils ship with just silicone grease which is probably "good enough".
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