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Contact enhancers?

Discussion in 'Electronic Repair' started by Daniel Prince, Dec 10, 2012.

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  1. I cannot find my bottle of Tweek so I need to buy some new contact
    enhancer. Which one do you use and recommend?

    I have looked on eBay and contact enhancers come in liquids that you
    apply with a brush, squeeze tubes, and aerosol sprays. Which form
    do you think is best? Thank you in advance for all replies.
     
  2. whit3rd

    whit3rd Guest

    Çaig laboratories sells a variety of enhancers, with DeOxit, Preservit as
    their main tradenames, which are easily available (try Radio Shack
    for instance). Some are cleaners only, try to understand the
    usage notes to find which are the enhancers.
     
  3. gregz

    gregz Guest

    I got a few bottles, sprays, concoctions. Been a while since I used my
    stabilant.
    I just used some non residue cleaner on a MAF sensor. Depends how get down
    and dirty I need to go. What I most use these days is CRC lube which is an
    enhancer. It's cheap and available. I also got tubes of caigs concentrated
    items.

    http://www.homedepot.com/buy/crc-2-26-5-oz-multi-purpose-lubricant-02004.html#.UMaD5qN5mSM

    Greg
     
  4. gregz

    gregz Guest

    Had to mention, using the red tube extension works well, in that you can
    get small amounts, and it foams as it comes flowing easily into components.

    Greg
     
  5. Phil Allison

    Phil Allison Guest


    ** Such products only work if you believe in them.

    Like crystals and pyramids etc.



    ..... Phil
     
  6. Phil Allison

    Phil Allison Guest

    "Arfa Daily"

    ** FFS Arthur - HAVE A LOOK on Ebay or Google under the OP's heading.

    The concoctions being offered are all SNAKE OIL !!

    Contact cleaner /lubricant products ( like WD40 ) are NOT the issue here.



    .... Phil
     
  7. John-Del

    John-Del Guest


    When MAF sensors were fairly new, I bought a very low mileage Ford van (U.S..) at an auction with the check engine light on. It started and idled fine, but as soon as it started to rev past 2K, it would fall on it's face and ping badly. Only codes retrieved indicated both banks lean. I brought it to a guy well known in the area as being know to be good with this new fangled stuff, he played with it an hour, and told me to return it for a day when I could spare it. I never got back to drop it off, but after a couple of months running it this way, I decided to pull the MAF connector off to see if there was any change, and it ran perfectly. It pulled hard to redlineup shift, and the ping was gone. I pulled the MAF meter out of it, and saw two wires. One was white and one was black, except the black one was black on the incoming air side only. I cleaned it off with a q-tip and flux remover, stuck it back in, and problem gone. I still have that van as my backup, has over 250K on it with the original MAF, still passes emissions testing, and I clean the MAF every year or so when I think about it. Over the years, it became a well known problem with 90s era Fords.
     
  8. I originally bought the Tweek because Jerry Pournelle recommended it
    in his column in Byte magazine. Has any magazine published
    objective, scientific tests of Tweek, DeoxIT Gold or any other
    contact enhancers?
     
  9. gregz

    gregz Guest

    I have done a little testing myself. Just take some flat metal and some
    leads, VOM.
    Scrape around bare metal vs applied lubes or whatever. I get some positive
    results vs dry metal.

    Greg
     
  10. whit3rd

    whit3rd Guest

    The advertising and marketing DOES look like snake-oil, but there's
    some real technology behind it. A small amount of residue contains
    a liquid semiconductor, which is the active part of Stabilant-22 and
    DeOxit Shield S. NATO stocks the stuff (NSN 6850-01-435-6479 is
    the stock number) for aviation and other high-reliability electronics applications.

    The original patents have run out (issued about 1970), so the sales literature
    no longer touts this very real electrical contact improvement.
     
  11. ** Such products only work if you believe in them.
    There's no question they improve the contact. The issue is whether they
    improve the sound. I find this unlikely. However, all the audio connections in
    my system have been treated with Caig Red and Gold products (as appropriate).
    Why shouldn't they be clean?

    When I worked for RCA at NOAA, one of the computers had problems with the edge
    contacts on its memory board. No amount of conventional cleaning helped, but
    Cramolin Red fixed it -- for a while (several days).
     
  12. Phil Allison

    Phil Allison Guest

    "whit3rd"

    ** Pseudo technology.

    Just like all the asinine SHIT you spew.




    ..... Phil
     
  13. whit3rd

    whit3rd Guest

    The red is (I believe) the same as DeOxit, and is a cleaner only. Clean
    doesn't last. The blue (PreserVit or somesuch) had the lubricant/enhancer
    component. That (blue) has now been renamed DeOxit Shield.
     
  14. whit3rd

    whit3rd Guest

    On Sunday, December 16, 2012 6:24:58 AM UTC-8, Jeff Liebermann wrote:

    ....
    Not entirely true; some conductive greases ARE available, including
    transparent ones that aren't easy to tell from 'normal' grease

    If gold really DIDN'T oxidize, it'd weld to itself on contact. There's
    no crust of oxide, not even a micron thick layer. But, there's a nanometer
    of oxide, all over any gold surface. At elevated temperature and humidity,
    even a clean gold/gold connection will fail, because something grows
    on that gold surface. We lowered the storage humidity spec and our PC-based
    product stopped getting memory and video and PCIe errors at the environment
    test lab.

    Lubricant might not be irrelevant, after all, on gold contacts.
     
  15. gregz

    gregz Guest

    I got some Cramolin copper grease. I never used it, but someday ?

    My view on lube. Somewhat why oil works for sharpening, helps push aside
    oxides, might also soften them.

    Greg
     
  16. I've got a tube of silver grease, that we bought but never used...
    it's shoved to the back of my 'gunk' drawer.
    It reads,"Typical applications include lubrication of switches or
    circuit breakers, heat dissipation from transformers, or static
    grounding on seals or O-rings."

    Contains Silver, dimethyl poly-siloxane, carbon black.

    George H.
     
  17. Thanks for the paper. Years ago I made this bouncing gold wire
    quantum contact gizmo. After sitting for a while it wouldn't work as
    well and I'd wipe the wires with a 'gold cleaning solution' that was
    used in a lab I visited. I think the ‘recipe’ for the solution was 2
    parts ethanol, one part toluene and one part methanol. (But it could
    have been acetone instead of methanol?) This worked.. but it could
    have just been the act of wiping that cleaned the surface.

    George H.
     
  18. gregz

    gregz Guest

    Anybody do anything using VCI emitters. A long time ago I got samples from
    a wadia guy, never used those. I wonder if it's still good. Also used
    Bullfrog spray electronic protector cleaner, smelled like maple Syrup.
    Never could conclude anything. I do remember the little sheets often packed
    around mechanical switches, especially silvered. Some areas outside the
    paper had a lot of oxide.

    Greg
     
  19. gregz

    gregz Guest

    Don wadia Moses, the wadia guy.
    He sure did some shit. Passed way in 2008.

    Greg
     
  20. Crystals DO work. My digital watch has a quartz crystal that works
    as an oscillator to keep the time. It also has liquid crystals that
    work as displays.

    I have an electronic lighter I use to light candles. It has a
    piezoelectric crystal that works to generate sparks.

    Diamonds are crystals. They work as abrasives in various types of
    saws, grinding wheels and drills. Sapphire is a crystal. It works
    as a phonograph needle.
     
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