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A whiff of a 'CDR' "Safe" Pen will reveal something startling...<g>

Tim K

"Phred" <ppnerkDELETETHIS@yahoo.com> wrote in message
news:bvj1df$shhhe$1@ID-151056.news.uni-berlin.de...
> In article <uETSb.4415$jH6.1888@newsread1.news.atl.earthlink.net>,
> "Tim Kroesen" <tkroesen@earthlink.net> wrote:
> >"Theo" <invalid@noemail.com> wrote in message
> >news:Xns948176A947F77densnews123@216.168.3.44...
> >> "normanstrong" <normanstrong@comcast.net> wrote in
> news:oTQSb.152916$nt4.706795@attbi_s51:
> >>
> >> > I agree, but make sure you have a bottle of alcohol near by.  If
> >> > you make a mistake, you can wipe it off immediately and redo it.
> >>
> >> I thought alcohol was supposed to be bad for CDRs.
> >
> >Soaking overnight may be bad... Wiping off the marks of an Alcohol
based
> >pen like a Sharpie is likely to cause no more 'damage' than the
marker
> >itself.  None have demonstrated that relatively inert (to CD topping
> >Lacquer) Alcohol can cause damage cleaning off writing; rather the
>
> Nonetheless, many CDR packs carry a warning in the fine print that
> says NOT to use alcohol-based inks for writing on the things.
>
> I mentioned several brands of "CDR Pens" previously, but one I didn't
> mention (because I've forgotten the name, and it's not here %-)
> actually claimed to be "water based".  I had real doubts about how
> well it would work as such inks tend not to stick on hard shiney
> surfaces.  But it seems to be okay, if you're not *too* impatient.  It
> was available in Fine in a four-colour pack (from OfficeWorks in Oz
> IIRC).
>
> I'd really like to know if there is any formulation difference between
> the Staedtler LUMOCOLOR OHP series and their "CD-R PEN", or whether
> this new model for CDRs is just a marketing ploy.  It's of some
> practical interest, because the OHP pens are commonly available in
> three size ranges (Superfine, Fine, and Medium) and in six-colour
> packs as well as individual colours; whereas the "CD-R PEN" is only in
> Medium/Black around here, and not readily available anyway.
>
> >'damage' claims refer to 'dye migration' (the substances left after
the
> >vehicle solvent evaporates that make the mark visible) into the
> >substrate over time.  Possible I'd agree it might be an issue; but
more
> >likely hoodoo IMO.
> >
> >If Sharpies 'dye' do indeed damage CD surfaces it must take many more
> >Years than they have already been used; otherwise we'd be up to our
ears
> >by now in *evidence* they do...  Note that *some* markers where shown
to
> >damage CD top Lacquer in the past; they likely contained much
'rougher'
> >vehicle solvents than Alcohol...
>
>
> Cheers, Phred.
>
> --
> ppnerkDELETE@THISyahoo.com.INVALID
>