[Elecraft] CAIG DEOXIT or Servisol Super 10

[Bill K9YEQ]

Jack,

Thanks a ton for the update.  The acid is the most important compound, and I would suppose the Naptha cleans off the oxidants once the chemistry has done its job.  I should make my own given how cheaply the contents can be acquired.

73,
Bill
K9YEQ


-----Original Message-----
From: elecraft-bounces at mailman.qth.net [mailto:elecraft-bounces at mailman.qth.net] On Behalf Of Jack Smith
Sent: Monday, June 17, 2013 6:31 PM
To: elecraft at mailman.qth.net
Subject: Re: [Elecraft] CAIG DEOXIT or Servisol Super 10

The MSDS says Caig DeoxIT is 95% naptha and 5% "trade secret."

Internet lore claims the 5% "trade secret" portion is largely linoleic acid (from flax seed).

GC Electronics has a much less expensive similar product called "DE-OX-ID" which is 60% Aliphatic Hydrocarbon, 35% Kerosene with the remaining 5% being more hydrocarbon solvents according to its MSDS. It's what I use.

Naptha is light end hydrocarbon, with both linear and aliphatic chains.  
Lighter fluid is mostly naptha by the way.

Last bottle of DE-OX-ID I bought cost about $6 for 2 oz in a brush applicator cap bottle. It's gone up a couple bucks since then, and there may be a problem with additional shipping surcharges since it's flammable. (Earlier this year, I was charged $10 to ship a 2 oz bottle of red Glyptol varnish for that reason.)

Jack K8ZOA



On 6/17/2013 7:02 PM, Bill K9YEQ wrote:
> Don,
>
> Nice suggestion. I have worked on lots of corroded stuff over the years for outdoor, very nasty weather situations.  I like your solution.  I have used DeoxIT in the small brush bottle with fabulous success. The connectors appear very clear once applied, but there is no content listed on the package as to what chemistry is used to actually remove the oxide.  There are lots of chemicals that work, but nothing like adding a little inhibitor (oil) and scrub the connector by reseating it few times.  I will continue to use DeoxIT until I find out its actual content, thinking it actually does something, plus, for the uses I have, it is relatively cheap in my shop.     I sure would like to know what is the 100% concentrate on the package.
>
> 73,
> Bill
> K9YEQ
>
>
> -----Original Message-----
> From: elecraft-bounces at mailman.qth.net 
> [mailto:elecraft-bounces at mailman.qth.net] On Behalf Of Don Wilhelm
> Sent: Monday, June 17, 2013 3:02 PM
> To: makidoja at gmail.com
> Cc: elecraft at mailman.qth.net
> Subject: Re: [Elecraft] CAIG DEOXIT or Servisol Super 10
>
> Jim,
>
> I have used several cleaning/lubricating compounds on electrical contacts with success over the years.  The easiest is to use a light coating of any light lubricant ( similar to 3 in 1 oil) on the male pins.  The insertion and removal of the contact surfaces in the presence of the lubricant will wipe away corrosion at the mating points, and the residual lubricant helps to discourage further oxidation.
>
> I know I may take some flak from those who are hesitant to use anything other than compounds recommended for electronics, but I have never experienced any difficulties.  Just apply the lubricant sparingly and mate then disconnect the pins a few times for best results.
>
> 73,
> Don W3FPR
>
> On 6/17/2013 2:31 PM, makidoja at gmail.com wrote:
>>    Hi All
>>
>>
>> Elecraft Tech have advised to try cleaning the contacts in my K3 with Caig Deoxit, problem is here in the UK it’s really really expensive, like it should some in a solid gold tin!!!
>>
>>
>> So my question is will Servisol Super 10 be a good substitute for 
>> Caig Deoxit, I know servisol has been used in service rooms for many 
>> many years for removing tarnish and lubricating contacts
>>
>>
>> Whats your thoughts?
>>
>>
>> Looks like i’m in for a K3 strip, clean contacts and rebuild, shame these contacts are such a weak point on such a great transceiver!!!
>>
>>
>>
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