Electrical contacts - principles and application.  by P.G. Slade -  
CRC Press.  you can find relevant info page around 1240 ish...
On Feb 7, 2020, at 6:01 AM, <[log in to unmask]>  
<[log in to unmask]> wrote:

> The provided URL address did not OPEN.....
>
> -----Original Message-----
> From: TechNet <[log in to unmask]> On Behalf Of Yuan-chia Joyce Koo
> Sent: Thursday, February 6, 2020 4:00 PM
> To: [log in to unmask]
> Subject: Re: [TN] Contact lubrication on edge connectors
>
>
> [EXTERNAL EMAIL]
>
> aha, snake oil - check for ZIF (zero insertion force) connector  
> design file that usually comes with recommendation of what kind of  
> lubricant you should use (apply very thin layer - pricy one usually  
> is better - not because it is more effective,  but the MFG chaps  
> care to use as little as "possible").  https://books.google.ca/ 
> booksid=_ghEDwAAQBAJ&pg=PA1254&lpg=PA1254&dq=lubricant+for+zero 
> +insertion+force+connector&source=bl&ots=dn83is-fUl&sig=ACfU3U139c- 
> xjy8uyroH5lhs01En7IZZpg&hl=en&sa=X&ved=2ahUKEwi47vuD9b3nAhVDaM0KHQ11Cd 
> MQ6AEwAHoECAYQAQ
> jk
> On Feb 6, 2020, at 4:16 PM, Rivera, Raye wrote:
>
>> Hello Technetizens,
>>
>> I'm investigating whether it makes sense to apply a connector
>> lubricant to gold fingers on DIMM connectors and riser cards.
>> These are all small PCBs that plug into an edge connector with gold-
>> plated contacts. The hope is to prevent those annoying failures that
>> are "fixed" by removing and reseating the DIMM or riser card.
>>
>> Does anyone have either experience with or advice on connector
>> lubricants they would care to share?
>>
>> Best regards,
>> Raye Rivera