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Old 07-27-05, 04:03 PM   #1
jester69
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Hello all, after reading about what is needed in a spoke prep, and what makes wheelsmith's prefered, I came up with two seemingly suitable products from my years of working on cars. Thought I would ask here why they won't work, or if I'm on to something.

Hylomar Universal Blue: originally developed as a special gasket material for jet engines, it is a . Some things that make it an ideal spoke prep:

* Non Setting gasket/sealant
* Unlimited assembly time.
* Vibration resistant.
* moisture proofing properties

http://www.hylomar.co.uk/universalblue.htm

Distributed in the US by permatex:
http://www.permatex.com/heavy_duty/D...&item_no=25249

The other compound that would probably work is again a non hardening gasket type material. This one is older technology (around since the 40's) so probably isn't as good as the Hylomar. Permatex #3 (Sometimes called 3h), used to seal aircooled engine case halves together:

http://permatex.com/products/prodidx...&item_no=80017

thanks,

Jester

EDIT: Fixed links.

Last edited by jester69; 07-28-05 at 09:49 AM. Reason: Fixed links
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Old 07-28-05, 09:46 AM   #2
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A bit more on this:

Either one does, as far as I can tell, the exact same things that Wheelsmith spoke prep does, only:

Wheelsmith prep:
1/2 fl oz for $20 or $40 per ounce

Hylomar:
1 fluid ounce tube for $5

permatex #3
16 fluid ounce jar for $6 or $0.37 per ounce!

I would hazzard a guess that Wheelsmith spoke prep is a similar compund, only they have the manufacturer OEM it in a different color, or they buy it in bulk and just put it in their tubes. I will build my wheels with Hylomar or #3, I have some of both in the cabinet, but will buy the hylomar if I don't.

Basically, what I'm saying is that the wheelsmith stuff is likely a huge ripoff, and then presenting a viable option. I would think that would spur some discussion?

take care,

Jester
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Old 07-28-05, 10:14 AM   #3
neil0502
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I dunno' d*ck about spoke prep.

That said, I think you're looking at this in the right way: if you can get Manufacturer's Safety Data Sheets (MSDS), or equivalent, on each product . . . and the formulation is the same (where's CYCOCOMMUTE when you need him ), then you're looking at apples-to-apples. Then, it's just about the Benjamins.

I just received my 8oz. bottle of Permatex nickel-based anti-seize (for use on my Ti bikes).

Ti Prep is about $5 for 15g -- about $9.50/oz.

At $20, the Permatex cost me $2.50/oz.
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