cleaning up edge connectors

[John Robertson]

On 2022/04/30 4:28 p.m., dwight via cctalk wrote:
> Yep. I didn't know it was now made by someone else. Also look at McMaster-Carr. You might get a better price.
> Dwight

I've used Dow Corning #4 electrical grease for a couple of decades. It 
really helps preventing corrosion and reduces heating of contacts. You 
can also get it from Aklands Grainger.

John :-#)#

>
> ________________________________
> From: Ali <cctalk at ibm51xx.net>
> Sent: Saturday, April 30, 2022 3:23 PM
> To: 'dwight' <dkelvey at hotmail.com>; 'General Discussion: On-Topic and Off-Topic Posts' <cctalk at classiccmp.org>
> Subject: RE: cleaning up edge connectors
>
>> Once the corrosion is removed I recommend using DC-4 on the
>> connections. It will protect the surfaces and keep great electrical
>> connections. It is a silicon grease that is non-conductive but keeps
>> the surface clean and improves metal to metal electrical contact. It
>> doesn't allow oxides to build at the contact surfaces.
>> It has measurable improvements of even gold on gold. I've used it on
>> solder to solder as well other dissimilar metals with good results.
>> I've used it on high current connections to reduce resistive heating up
>> to 1000 amperes.
>
> Dwight,
>
> Is this what you are talking about:
>
> https://www.aircraftspruce.com/catalog/cspages/dc4.php
>
> -Ali
>