I worked in a QC lab where we tested aerosols. "Tapping" the can was the
first step. Just punch a hole in it with an awl and you can put the contents
right out. You can do it to a pressurized can to, as they always were when we
did it. You just let them stand upright for a minute and punch a hole near
the top and let it vent.
-Paul
> On Sep 27, 2014, at 11:35 AM, Tim . <tims_datsun_stuff@outlook.com> wrote:
>
> I have a bunch of cans, PB blaster, WD40, etc that have lost their pressure
> but are not empty; a couple are close to half full. (I left these two in
them
> garage shop over winter <insert embarrassed emoticon here>)
>
> I am wondering if anyone has punched open cans in this condition to salvage
> the rest of the penetrant/contents? If so, what has been done or
recommended?
> Or should I not even mess with it?
>
> I have a seized block I'd love to use these cans' contents on....
>
> thanks
> tim
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