Types of corrosion on computers

[Adrian Stoness]

water get sprayed on it?


On Fri, Dec 8, 2017 at 5:06 PM, dwight via cctalk <cctalk at classiccmp.org>
wrote:

> Could be the zinc plating?
>
> Dwight
>
>
> ________________________________
> From: cctalk <cctalk-bounces at classiccmp.org> on behalf of Sam O'nella via
> cctalk <cctalk at classiccmp.org>
> Sent: Friday, December 8, 2017 2:46:40 PM
> To: General Discussion: On-Topic and Off-Topic Posts
> Subject: Types of corrosion on computers
>
> I've seen rust and dust, but there's an old vaxstation II at Goodwill
> Computers in Austin right now (very cheap, anyone welcome to buy it and get
> it off my mind) but as most things, I checked out the back and see some
> circles of white corrosion on the back where the cards? are contacting the
> case.
>
> I don't really have room or time but I don't own anything that uses QBUS or
> is almost related to some of the neat iron some of you all collect (I've
> mostly collected way too many home computer history items).
>
> Anyway, what is that type of white corrosion on metal?  Would one probably
> assume this means any bus would be corroded and this wouldn't be a computer
> for the faint of heart hobbyist? I've only seen that maybe from batteries
> but it's in an unusual place and pattern (I think).
>