Homebrew_PCBs

i am aware of the fact they are not the same.
maybe my english is too bad but i only wondered if denaturated alcohol (called spiritus here) is
ethanol. if yes, why does steve say denaturated alcohol dissolves plastic and i have not seen it doing
that.
so i assumed it must be a difference between denaturated alcohol and spiritus (ethanol).
if there is no difference i wantet to ask which plastics are in danger (because i assumed all are save).

glykol is of no use here (my printer is kept inside ;-).

so you see all ic quite clear (i read a good text about alcohols which refreshed my knoweledge).
the only think i wanted to have cleared is weather ethanol (ethyl alcohol) dissolves plastics or not,
and if ipa does nor not (already not was stated).

regards
stefan


18.05.2003 02:01:38, "RandyL" <randy-list-address@...> wrote:

>No, they're not the same. Ethyl Alcohol is the kind you drink. isopropanol is rubbing alcohol, and

Ethylene Glycol is antifreeze. The two latter ones are deadly poison. All will disolve diferent
chemicals. I keep all three around for various uses.....hehe....hic...g

>
>RandyL
> ----- Original Message -----
> From: Stefan Trethan
> To: Homebrew_PCBs@yahoogroups.com
> Sent: Saturday, May 17, 2003 5:02 AM
> Subject: Re: [Homebrew_PCBs] ipa, ethyl alcohol
>
>
> hi
>
> i read some information about ipa.
> i have read of it often for cleaning/solvent etc.
> i only saw a bottle of it once (with a terrible misspelled label on it).
> this was a strange brass bottle which had some kind of pressure tight valve which to pull back and

then

> the ipa flows out.. so i assumed this may evaporate very fast. is this right?
>
> i never saw it sold in any shop but found it as isopropanol which is only another name (is this
> correct?) in the list of a local chemical supplies shop.
>
> i also read it is used a cheap substitute for ethyl alcohol.
>
> but if it is only a substitute for ethyl alcohol i would rather use that.
> it is sold as "spiritus" here, which is ethyl alcohol (somewhere betewwn 96 and 98%).
> it is made undrinkable by some chemicals and so rather cheap because the taxes for alcoholic drinks
> don't apply.
>
> does anyone know what the differences (in using) of the both alcohols are and if ethyl alcohol ay

also

> be good for cleaning the old ink out of the cardridge?
>
> regards
> stefan
>
>
>
> 17.05.2003 09:08:25, "Leon Heller" <leon_heller@...> wrote:
>
> >
> >>From: Stefan Trethan <stefan_trethan@...>
> >>Reply-To: Homebrew_PCBs@yahoogroups.com
> >>To: Homebrew_PCBs@yahoogroups.com
> >>Subject: Re: [Homebrew_PCBs] inkjet printing, floor polish, ammonia
> >>Date: Fri, 16 May 2003 20:34:12 +0200
> >>
> >>hi
> >>
> >>i will get my empty ink cartridges on monday.
> >>
> >>they were quite expensive, 5eur per cartridge.
> >>but this is much cheaper then buying new.
> >>
> >>no i'm wondering what may be best do clean it.
> >>nobody can answer my question about ammonia?
> >>someone stated ammonia is good for cleaning the floor polish, please tell
> >>me how much ammonia there is
> >>in a cleaning fluid. i have no idea. am i right assuming ammonia to be the
> >>stuff which smells so much?
> >>i have ammonia here which is 7,5% in water and if you take a sniff it,
> >>well, really you shouldn't take a
> >>deep breath if you don't want to spill the bottle when dropping it. i was
> >>told it is also "smelling
> >>salt" which was used to wake up people who lost their consciousness in the
> >>past.
> >>
> >>is this correct? which percentage ammonia is there in a suitable cleaning
> >>solution?
> >>
> >>
> >>for cleaning the cartridge from original ink residue, is it suitable to use
> >>alcohol?
> >
> >
> >The suppliers of ink jet refill kits sell a liquid for flushing out
> >catridges before refilling them. It's probably IPA (iso-propyl alcohol). IPA
> >is available from most electronic suppliers. It's also used in after-shave
> >lotion, so perhaps you could try that. 8-)
> >
> >Leon
> >--
> >Leon Heller, G1HSM Tel: +44 1424 423947
> >Email:leon_heller@...
> >My web page: http://www.geocities.com/leon_heller
> >
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