Krytox grease ?
08-22-06, 09:59 AM
#1
Krytox grease ?
Does anyone have any experience with using Dupont's Krytox high-temp grease for both electronics (e.g., sparkplug boots, dielectric grease is burned-up), and as an O-ring lubricant (esp. the Y-pipe O-ring) ?
Dupont even has an application for wheel-bearing grease.
Check it out here:
http://en.wikipedia.org/wiki/Krytox
http://www.vacuumoil.com/msdspdfs/pr.../krytoxpdf.pdf
TIA,
:-) neil
1988 E36T AMG
1993 500E
1993 RX7 Touring
Dupont even has an application for wheel-bearing grease.
Check it out here:
http://en.wikipedia.org/wiki/Krytox
http://www.vacuumoil.com/msdspdfs/pr.../krytoxpdf.pdf
TIA,
:-) neil
1988 E36T AMG
1993 500E
1993 RX7 Touring
07-13-07, 03:43 PM
#4
Check out this thread on how using Krytox grease in the wheel hubs has lengthend it's service life.
Looks like NASCAR also uses this grease as well as some racing bikes.
:-) neil
http://forums.nasioc.com/forums/arch.../t-368942.html
http://www.calsci.com/motorcycleinfo/Shaft.html
Excerpt:
An alternative to moly is the new poly-flourinated lubricants made by DuPont called Krytox Teflon Bearing Grease. These chemicals are simply magic. They have almost no known solvents, are chemically inert, and don't burn at any temperature, even in a pure oxygen atmosphere. This is pretty clearly the only grease to use. See this article:
http://www.sandsmachine.com/grease_t.htm
NASCAR mechanics have found that Krytox grease can reduce the temperature of spline joints on drive shafts by 150°. Also, this stuff lasts forever. It is, unfortunately, quite expensive.
Krytox is compatible with moly - in fact DuPont sells a high pressure Krytox which mixes the two. You may hear some horror story from some mechanic about mixing greases and the result turning radioactive or some such. Don't worry, it won't happen with moly or Krytox.
Krytox greases:
* DuPont XHT-AC extra high temperature anti-corrosive Krytox. $30 for a 2oz tube, pn 10195K25; $113 for an 8oz tube, from McMaster Carr.
* DuPont XHT-BDX extra high temperature extra bonding Krytox. $63 for a 2oz tube pn 10195K22; $230 for an 8oz tube pn10195K24 from McMaster Carr.
* LocTite Krytox HyperLube, pn 29711. about $35 for two ounces.
Looks like NASCAR also uses this grease as well as some racing bikes.
:-) neil
http://forums.nasioc.com/forums/arch.../t-368942.html
http://www.calsci.com/motorcycleinfo/Shaft.html
Excerpt:
An alternative to moly is the new poly-flourinated lubricants made by DuPont called Krytox Teflon Bearing Grease. These chemicals are simply magic. They have almost no known solvents, are chemically inert, and don't burn at any temperature, even in a pure oxygen atmosphere. This is pretty clearly the only grease to use. See this article:
http://www.sandsmachine.com/grease_t.htm
NASCAR mechanics have found that Krytox grease can reduce the temperature of spline joints on drive shafts by 150°. Also, this stuff lasts forever. It is, unfortunately, quite expensive.
Krytox is compatible with moly - in fact DuPont sells a high pressure Krytox which mixes the two. You may hear some horror story from some mechanic about mixing greases and the result turning radioactive or some such. Don't worry, it won't happen with moly or Krytox.
Krytox greases:
* DuPont XHT-AC extra high temperature anti-corrosive Krytox. $30 for a 2oz tube, pn 10195K25; $113 for an 8oz tube, from McMaster Carr.
* DuPont XHT-BDX extra high temperature extra bonding Krytox. $63 for a 2oz tube pn 10195K22; $230 for an 8oz tube pn10195K24 from McMaster Carr.
* LocTite Krytox HyperLube, pn 29711. about $35 for two ounces.
Last edited by M104-AMG; 07-13-07 at 03:56 PM.
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