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Thread: Nyogel question?

  1. #1
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    Default Nyogel for Surefire U2 O-ring & elect switches

    Nyogel for Surefire U2 O-rings & electrical switches

    7779ZC silica based for aluminum surfaces with dampening for all Surefire O-rings.

    759G for tin/lead electrical surfaces for all surefire electrical switches.

    Edit: Surefire says to use a di-electric or conductive, non mineral, silicon based grease.

    959G is a silcon based conductive grease and is the correct grease for U2's selector O-ring

    application instructions:

    1. take plastic tooth pick and clean out gap between plastic selector ring and aluminum body.
    2. smear 959G into gap with toothpick, try to force in best you can.
    3. repeat on the other side.
    4. clean extra grease off and place light into your pocket.
    for min 30 minutes to warm grease.

    grease is too heavy to penatrate small gap. after light warms up in your pocket, 959G will soften up and penatrate to o-ring.

    result is selector ring turns butter smooth. not too soft nor too hard. perfect for one hand operation.




  2. #2

    Default Re: Nyogel for Surefire seals & electrical switches

    Cy,

    I am confused, the point of your post is what?
    Do you wish to discuss this product, or what is it that you are trying to inform us of? Size15's has already mentioned the 759G in another thread on Silicone grease for SureFire flashights and dano mentioned the aluminum additives, I have already supplied information on cost and availability from Nye Lubricants' small order distributor in the USA-TAI Lubricants. These greases will work for any flashlight.

    Did you see my post here?

    Electrical Contact Grease

  3. #3
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    Default Re: Nyogel for Surefire seals & electrical switche

    759G is for tin/lead electrical contacts

    and no I didn't read your post for electrical contact grease. because I needed lube for U2's oring.

    there were people wanting to know the correct lube for U2's sometime sticky selector ring.

    I sure don't want to put the wrong lube in my U2. kinda hard to take apart if wrong.

  4. #4
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    Default Re: Nyogel for Surefire seals & electrical switche

    [ QUOTE ]
    cy said:
    759G is for tin/lead electrical contacts

    and no I didn't read your post for electrical contact grease. because I needed lube for U2's oring.

    there were people wanting to know the correct lube for U2's sometime sticky selector ring.

    I sure don't want to put the wrong lube in my U2. kinda hard to take apart if wrong.

    [/ QUOTE ]

    If the lube is synthetic based then my choice of mobil 1 oil should fine I am guessing.

  5. #5
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    Default Re: Nyogel for Surefire seals & electrical switche

    Just wanted to state reason I started this thread was so this info for U2 owners would not get buried in the U2 lumens thread.

    Also I refuse to post anything further in the lumens thread. the lumens issue has been beat to death. not many can measure flux anyways.

    Surefire recommended a non migrating silicon based lubricant (grease)

    the Nyogel engineer said silicon and non migrating was an oxymoron.

  6. #6
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    Default Re: Nyogel for Surefire seals & electrical switche

    I have been advised to use NyoGel 759G on all threads (and therefore o-rings) that are at or close to electrical contacts (ie: TailCap threads).

    I have both. I don't see any point in using the 779ZC for bezel threads only.



    I've not needed to lube the dials of the U2's I have. I'm not sure how I'd go about lubing the dial. I've once rinced one of the U2's I have under warm water to clean off some wet mud (when I dropped the U2).

    Al

  7. #7
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    Default Re: Nyogel for Surefire seals & electrical switche

    My U2's selector o-ring squeals.

    Since I've got both types enroute. I'm going to use 779ZC on the selector ring and 959G on the tailcap.

    it can't hurt using the Nyogel for specific application it was designed for.

  8. #8
    Flashaholic* rycen's Avatar
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    Default Re: Nyogel for Surefire seals & electrical switche

    How are you going to get the lube inside the ring?

  9. #9
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    Default Re: Nyogel for Surefire seals & electrical switche

    with a pick, going to place a dab of gel in the groove where O-ring is and work it in.

  10. #10
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    Default Re: Nyogel for Surefire seals & electrical switche

    [ QUOTE ]
    cy said:
    My U2's selector o-ring squeals.

    Since I've got both types enroute. I'm going to use 779ZC on the selector ring and 959G on the tailcap.

    it can't hurt using the Nyogel for specific application it was designed for.

    [/ QUOTE ]
    cy:

    I have both on order too! [img]/ubbthreads/images/graemlins/grin.gif[/img]

    I used a silicone based grease made by CRC for automotive connectors on my U2 bezel head. I don't know which one, either the grease SF used or mine is forming small balls on the shoulder/ledge of the powerpack. I've been using this grease for some time but never seen this happen before the U2! [img]/ubbthreads/images/graemlins/thinking.gif[/img]

  11. #11
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    Default Re: Nyogel for Surefire seals & electrical switche

    I was using Nyogel on my builds but noticed that it (the amber stuff) likes to gum up and thickens after a while. I have since gone to a "pure" silicone grease that seems to work much better. [img]/ubbthreads/images/graemlins/icon3.gif[/img] The problem with "sticky" lubes used in areas that you can't access is that they like to grab dirt and crap and hang on to it. [img]/ubbthreads/images/graemlins/frown.gif[/img] Since the U2's seal is not accessible for cleaning and maintenance I would think excess lube could work against you in the long run. 3M and other companies make a "dry" silicone lube that has a volitile vehicle and after evaporating, the dry silicone ball bearings are in place to reduce friction but don't attract dirt. Without knowing the material of the O-ring or the solvents used, I am concerned about this type of dry lubrication and I am not sure it would help protect the O-ring if it is buna or nitrile which can be subject to Ozone degradation. [img]/ubbthreads/images/graemlins/icon3.gif[/img]

    There is a silicone treatment that is used on neoprene products for protecting them called Aquaseal Silicone Pump that is very viscous and would easily work into the area needed on the U2. I don't think it would be near as gummy as the heavier viscosity greases we are used to.

    There was a lube called McLube that hit the sailing industry like a storm shortly before I left. They have some outstanding dry lubes that worked well and noticibly in the nasty salt water environment. Because they were dry and repelled moisture without attracting dirt and grime, they had a lot going for them!

    It seems to me that on the seals you want two things: Low friction and protection of the seal itself. You do not want any gunk that will attract and grab dirt or other abrassive particles and bind them into the program! [img]/ubbthreads/images/graemlins/icon15.gif[/img]

    It seems to me that this is an area where we could all gain from some expert advise and comments!!

  12. #12
    Flashaholic* turbodog's Avatar
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    Default Re: Nyogel for Surefire seals & electrical switche

    [ QUOTE ]
    cy said:
    with a pick, going to place a dab of gel in the groove where O-ring is and work it in.

    [/ QUOTE ]

    From experience in this area..... I'd suggest heating the grease and trying it in a liquid state. I think you will have very little luck while it is solid.

  13. #13
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    Default Re: Nyogel for Surefire seals & electrical switche

    How about these products? Tuf-Glide

  14. #14
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    Default Re: Nyogel for Surefire seals & electrical switche

    tuf-glide looks good, but surefire spec'd a silcone non-migrating lube

  15. #15
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    Default Re: Nyogel for Surefire seals & electrical switche

    [ QUOTE ]
    cy said:
    tuf-glide looks good, but surefire spec'd a silcone non-migrating lube

    [/ QUOTE ]
    cy:

    It's not silicone but if it dries out, it can't migrate, right? I have this stuff with the needle-like applicator. I got mine through the mail but was told that Gander Mountain sell their products.

    Your adjusting ring squeaks on your U2, it being a liquid plus the needle-like applicator might help. Or you want me to see if I can screw mine up? [img]/ubbthreads/images/graemlins/grin.gif[/img] It might be going back to SF for other reasons that I can't mention in this thread! [img]/ubbthreads/images/graemlins/mecry.gif[/img]

  16. #16
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    Default Re: Nyogel for Surefire seals & electrical switche

    [ QUOTE ]
    wptski said:
    [ QUOTE ]
    cy said:
    tuf-glide looks good, but surefire spec'd a silcone non-migrating lube

    [/ QUOTE ]
    cy:

    It's not silicone but if it dries out, it can't migrate, right? I have this stuff with the needle-like applicator. I got mine through the mail but was told that Gander Mountain sell their products.

    Your adjusting ring squeaks on your U2, it being a liquid plus the needle-like applicator might help. Or you want me to see if I can screw mine up? [img]/ubbthreads/images/graemlins/grin.gif[/img] It might be going back to SF for other reasons that I can't mention in this thread! [img]/ubbthreads/images/graemlins/mecry.gif[/img]

    [/ QUOTE ]

    Bigger question is: should they be squeaking while they're this new? I can understand mine (packed with silty mud), but I hazard to guess that most of these only see desk duty.

  17. #17
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    Default Re: Nyogel for Surefire seals & electrical switche

    Ok, after speaking with Surefire again. on U2's selector ring they want you to use a silicon based, non mineral, di-electric or conductive grease.

    and yes different customer service rep's tell you different things. 959G is conductive grease, so I went that.

    I took a plastic tooth pick, carefully cleaned out the small gap between plastic selector and aluminum head.

    Then I carefully smeared 959G into the crack with the toothpick the best I could. repeat for the other side.

    At first I was disapointed, the slot was so small I couldn't get any grease into the seals. the selector was hard to use as ever.

    I put the light away into my pocket. 30 minutes later after getting heated by my body. the 959G nyogel had penatrated the orings.

    the selector ring now feel butter smooth. perfect!! not too loose, not too tight. just right. I can operate selector ring one handed.

    happy ending...


  18. #18
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    Default NyoGel

    Got some NyoGel from LightHound.

    Great service by the way, very good company to order from my opinion says.


    Anyway.


    My questions.

    Formula 759G....should this be used only on the threads of the flashlights?


    Formula 779ZC....should this be used only on the o-rings?

    Other than weight (ZC being thicker than G), what other differences exist between the formulas? Finally, how are you all using them, 759G for some parts of a flashlight and 779ZC for other parts? Which parts?

    Thank yuo,

    TFS

  19. #19
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    Default Re: NyoGel

    Hey 357,

    I just ordered some Nyogel as well from Lighthound. I found them great to do business too. Very fast shipping, and he included a little keychain light in my package as a free gift. Nice touch. As far as your questions about lube, I found this thread here helpful.

    Greg

  20. #20
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    Default Re: NyoGel

    Personally I use the 759G on threads and O-rings. No harm, no foul - in more than six months of usage my Surefires have yet to witness any ill effects.

    759G is conductive, it aids conduction but it does not cause any ill effects when applied to non-conductive surfaces.

    Kudos to lighthound.com for helping us get these. I bought a lifetime supply, the biggest tube he had. The best lights on earth deserve the best I can get them.
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  21. #21
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    Default Re: NyoGel

    Agreed, I also bought a huge supply of NyoGel. Lighthound I think is the only source for this stuff, and it is the best lube available for Surefires. I'm stocking up just in case its no longer sold again in the future.

    Thank yuo,

    TFS

  22. #22

    Default Re: NyoGel

    Quote Originally Posted by KevinL
    759G is conductive
    759G is not conductive. I've personally checked it out with a digital multimeter. It has zero conductivity, as does the 779ZC.

    I recently contacted Lighthound about this very issue, he verified that the 759G is absolutely non-conductive. You may ask him yourself, though, if you still have doubts.

    Best regards,
    adrenochrome

  23. #23
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    Default Re: NyoGel

    Hello Kevin,

    I am trying to get a handle on these conductive lubricants...

    If you put a blob down and measure the resistance across it, what does it read?

    Also, if you take ten feet of wire and measure the resistance of it, does it go down with the addition of the conductive lubricant?

    I believe this question has been brought up before, but I don't remember it being answered... How does this stuff work?

    I understand the concept of removing and preventing corrosion, but don't think this lubricant is "conductive" at all.

    Tom
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    Default Re: NyoGel

    Hello Adrenochrome,

    You beet me to it...

    Tom
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  25. #25
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    Exclamation Re: NyoGel

    Silverfox & adrenochrome are correct-

    Neither of these formulations is conductive. We have all been operating with bad information in this regard.

    From Nye Lubricants Website: Nye Lubricants

    Nye currently offers three standard conductive greases:

    NyoGel 753G.pdf - A stiff, carbon thickened, light viscosity, polyolester grease intended for wide temperature applications where a degree of electrical conductivity in the grease is required.
    NyoGel 756G.pdf - A silica thickened, light viscosity, synthetic hydrocarbon grease intended for electrically conductive, instrument and bearing applications.
    NyoGel 758G.pdf - A stiff, lithium soap thickened, light viscosity, channeling synthetic ester grease intended for demanding bearing applications.

    Volume resistivity of both Nyogel 753G and Nyogel 756G is approximately 30 ohm-cm. Volume resistivity of Nyogel 758G is approximately 300 ohm-cm. Nyogel 753G and Nyogel 756G are gels not pastes. They rely on a proprietary carbon filler, rather than traditional metallic particles, for their conductivity. Nyogel 758G is an excellent channeling bearing grease. It relies primarily on a synergistic effect among its additives, not carbon or metallic filler, to create an electron pathway through the grease.

    It would seem 756G would be a better choice if we need conductivity. Does not seem that the 759 or 779 are much different except for color and viscosity, EXCEPT, the 779ZC is specifically recommended by Nye for wear reduction on aluminum.

    BTW, I have used both the 759 & 779 on many lights with no ill effects.

    Mark

  26. #26
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    Default Re: NyoGel

    Not sure if I can find the old thread where this was discussed at length but here is the jest of it. The 759G while not actually conductive it is one of the few lubes out there that will not cause any resistance. It will also help conductivity by protecting the metal from corrosion and oxidation. Oh it also works well on o-ring but I do like the feel of the thicker 779zc this stuff is the best lube out there IMO.
    JT

  27. #27
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    Default Re: NyoGel

    Quote Originally Posted by jtivat
    The 759G while not actually conductive it is one of the few lubes out there that will not cause any resistance..
    I think this is an excellent explanation.
    I have used and continue to use Nyogel 759g where ever I have metal to metal threads that are in direct contact, are stationary,and have to pass current. Galling of the two surfaces is kept under control and no build up of resistance.
    David............................................." Some Homemade Creations"

  28. #28
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    Default Re: NyoGel

    Quote Originally Posted by jtivat
    Not sure if I can find the old thread where this was discussed at length but here is the jest of it. The 759G while not actually conductive it is one of the few lubes out there that will not cause any resistance. It will also help conductivity by protecting the metal from corrosion and oxidation. Oh it also works well on o-ring but I do like the feel of the thicker 779zc this stuff is the best lube out there IMO.
    So, should I just use mostly the thicker 779zc then if its the best?

    Thank yuo,

    TFS

  29. #29
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    Default Re: NyoGel

    Sorry I meant both are the best the 779zc should not be used on metal parts only o-rings or plastic. Really if you only wanted only one lube it should be the 759G. The only reason I like the 779zc on o-rings is that it is thicker and gives tails caps I nicer stiffer feel that the other.
    JT

  30. #30
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    Default Re: NyoGel

    I stand corrected, I must have read too much into Nye's datasheets and confused one with another. Perhaps jtivat said it best, that 759C will not introduce any additional resistance.

    We had problems early on getting hold of this lubricant because the other resellers had minimum quantities to be met. I figure that Lighthound bought that minimum quantity and is now selling it to us at the retail level
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