Titanium anti-seize

[kineteks]

The Akra system I have on my S4RS came with some white anti-seize to prevent galling on the ti to ti pipe junctions. I'm about to mount a used Ti system on my 999R and would like to find something to do the same thing... anyone have a brand/source?

[nine16]

Unless I'm missing something, you shouldn't need anti-seize to prevent a galvanic reaction in a Ti-Ti joint, no?

[Shazaam]

When unplated titanium threaded surfaces slide together, the contact surfaces will gall (transfer metal) and then stick together - more so than almost any other metal-to-metal combination. When titanium to titanium threaded parts cold-weld themselves together it makes later disassembly impossible without destroying the parts. This problem can be minimized by coating the threads with a special grease having a high molybdenum disulfide content of around 40%. Commonly available greases have about a 2% moly content.

This is a different issue from the galvanic corrosion associated with dissimilar materials. That problem is addressed by using an copper-rich or nickel-rich thread coating grease during assembly.

If the titanium fasteners are used in the exhaust system, the high heat will soften the grease and cause it to flow away from the connection, so its effectiveness will be limited for this type of application.

[motolectric]

Originally Posted by kineteks

The Akra system I have on my S4RS came with some white anti-seize to prevent galling on the ti to ti pipe junctions. I'm about to mount a used Ti system on my 999R and would like to find something to do the same thing... anyone have a brand/source?

Do you just need enough for a couple of bolts? I have some packets (I think I'd have to check) that would be enough.

It's used because some metals gall when tightened against each other like copper to copper and titanium to titanium.

If you want to get a can or something so you have some around then I would think Permatex would be the way to go.

I've never bought anything from Permatex that wasn't excellent.

HTH

[j.davis]

Originally Posted by kineteks

The Akra system I have on my S4RS came with some white anti-seize to prevent galling on the ti to ti pipe junctions. I'm about to mount a used Ti system on my 999R and would like to find something to do the same thing... anyone have a brand/source?

AF1 Racing : Aprilia Parts and Accessories: Anti-Seize Compuond .5ml tube

[kineteks]

Thanks all.... I am specifically referring to the mid-pipe to collector, tube to tube junction, not fasteners/hardware. The S4RS exhaust installation instructions describe this... "Slide the Akrapovic link pipe into the collector and attach the spring;coat the interior side of the input of the titanium link pipe with Akrapovic ceramic anti-seizing grease (white tube)..." Here's a pic of what I'm trying to ensure does not continue....

[kineteks]

I'm looking at this.... Anti-Seize Compounds : Walter Rock 'n Roll Ceramic Anti-Seize Lubricant [Rock 'n Roll Anti-Seize] - $16.07 EMI Supply, Inc
...seems to fit the bill.

[Slower than you]

Just bop into your local Honda bike shop. 60% moly. Works for TI bolts in aluminum or steel.

[Slower than you]

Originally Posted by kineteks

Thanks all.... I am specifically referring to the mid-pipe to collector, tube to tube junction, not fasteners/hardware. The S4RS exhaust installation instructions describe this... "Slide the Akrapovic link pipe into the collector and attach the spring;coat the interior side of the input of the titanium link pipe with Akrapovic ceramic anti-seizing grease (white tube)..." Here's a pic of what I'm trying to ensure does not continue....

Whooa,, nice vibration galling on the pipe joints...

The white powdery substance used in the joints on a lot of Duc OEM systems is Zinc Oxide paste. It's powdery in appearance as the oils used in the paste have dried out. Once dried out after a few minutes of smoking it does a good job of immobilizing the joints. When you want to take the system apart again, a bit of wiggling will get the compound to release it's grip.

You can get this from an electronics supply store. It's called white heat sink compound. Or, even easier and likely cheaper, go to the local drug store. Get a tube of the stuff your mother put on your diaper rashed butt when you were a baby. Desitin. It's 40% zinc oxide.

**Just don't let your friends see it in your tool box.

[motolectric]

Originally Posted by kineteks

Thanks all.... I am specifically referring to the mid-pipe to collector, tube to tube junction, not fasteners/hardware.

At auto parts stores they have the little packets I mentioned.

They are copper based and rated to 2000F.

Just call ahead and ask if they have the Versachem single use packets at the counter.

$2-$3 for your one time use.

Seems expensive except when you buy the big quantity and find that you never needed it again you overspent by $12.

HTH