Lags vs. Timberloks [RE-wrenches]
Dean T. Newberry
deant at dcn.org
Sun Oct 19 07:22:44 PDT 2003
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Hi y'All
When researching tungsten disulfide I ran across an article on
Molysulfide as a thread lube on cracking towers on the shell refinery in
Holland . The sulfide reacted with heat and moisture to make sulpheric
acid which ate up the flanges. The siliconeseal mentioned in my
previous post seems to help prevent electrolysis in bimetal assemblies.
As I recall, there was some mention of this in the GE tech bulletin.
Bruce Geddes wrote:
>>>Use of a lubricant or thread-cutting oil seems to
>>>minimize this problem.
>>>
>>>
>>Thanks to a few of the aforementioned Makita incidents and a little
>>
>>
>education from my local fastener supplier, I now carry some anti-seize
>compound in my bag. The nickel variety is a bit pricey, but works at higher
>temperatures and looks a little less out of place on stainless hardware.
>
>
>
>The stainless nylocks I use come with a warning on the box to use a
>luricant, even when using hand tools. They suggest a graphite based type
>but I have concerns with electrolysis in marine environments with any
>graphite and aluminum.
>
>Bruce Geddes
>PowerOn
>
>
>
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