[Coco] Sort of OT: Recapping

[edward jaquay]

They had sprayed about a gallon on the floor.  Stuff has a very low flash
point, considerably worse than gasoline. A few drops is actually no big
problem. If it ignites in your hand probably just a small burn.  I was
remarking because of that tragic incident fresh in mind.


On Mon, Nov 30, 2020, 16:32 Salvador Garcia via Coco <coco at maltedmedia.com>
wrote:

>  How much acetone was that? I used about a drop's worth. I am hoping that
> if that blew, the resulting explosion would be much smaller than the one
> that you mention :-). Salvador.
>
>
>     On Monday, November 30, 2020, 09:53:33 AM CST, edward jaquay <
> ejjaquay at gmail.com> wrote:
>
>  Be super careful with acetone.  I know a family whose home was heavily
> damaged when a floor company used it to set dye on the basement floor.
> Blew the exterior doors off and the workers were very badly burned.
> Investigators never did figure out what ignited it.
>
> On Sun, Nov 29, 2020, 21:00 Gene Heskett <gheskett at shentel.net> wrote:
>
> > On Sunday 29 November 2020 18:45:39 Salvador Garcia via Coco wrote:
> >
> > >  Update:
> > > First, thank you all for your advice and recommendations.
> > > I finally got all the through holes clear of solder and stuck leads. I
> > > heated the Weller station to 850F. I noticed that at times it spiked
> > > to 880F. Somewhere between these two temperatures the solder melted
> > > and the solder and stuck leads came out without any problems. I
> > > replaced the caps. I will now get some flux remover and clean the PCB
> > > and test. Hopefully the MB will still work :-S. I am usually confident
> > > with my work, but I have to admit that the PCB took a lot of heat. I
> > > am hoping 0 damage. Again, thanks for your help. I will properly
> > > document this experience. Salvador
> >
> > For flux removal, nothing in my looooooong experience beats plain old
> > hardware store, paint shelf aisle, acetone and Q-tips. But don't ever
> > reuse the Q-tip, cuz that will contaminate the acetone, ditch it in the
> > round can under the bench and get another to wet and go after some more
> > flux, its not like they are expensive.  Get your q-tips from the
> > pharmacy, brand Sherwood Medical, one ended wooden sticks about 7 or 8"
> > long, gives you a long enough handle to do it right. Somewhere around a
> > tenner for 1000 of them in paper bags of 100, 10 bags to the carton. No
> > ignition sources around the open can, or the waste can as its quite
> > inflammable.
> >
> > Cheers, Gene Heskett
> > --
> > "There are four boxes to be used in defense of liberty:
> >  soap, ballot, jury, and ammo. Please use in that order."
> > -Ed Howdershelt (Author)
> > If we desire respect for the law, we must first make the law respectable.
> >  - Louis D. Brandeis
> > Genes Web page <http://geneslinuxbox.net:6309/gene>
> >
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