Klarinet Archive - Posting 000310.txt from 2000/02

From: David Blumberg <reedman@-----.com>
Subj: [kl] re: alcohol swabs
Date: Mon, 7 Feb 2000 10:57:31 -0500

Someone wrote:
I can vouch for the damaging effect of very strong ethanol (95%) on a >>
(fortunately cheap) plastic mouthpiece - it cracked it! I do not
know >what >> the effect would be on hard rubber, or whether a more
reasonable >> concentration (say 50%) would have done anything, or whether
the alcohol >> used in the pre-loaded wipers (iso-propanol, I think) would
be as >damaging.

-------------------------------------

The Alcohol swabs I use are 70% Isopropyl Alcohol. Not sure if all are that
same composition, but I use B-D, as they are the thickest, and stay wet the
longest (so if later in the lesson you need to try the instrument again, it
may still be moist.) No to go run out and buy some stock in them ;) ;)
They have never, ever, not at all done any damage to a plastic, nor Rubber
Mouthpiece. There is a Plastic Mouthpiece that I use for quite a few
students (younger) that the only thing that the alcohol swab does is to
possibly discolor (very minor) it. And even that is even pretty minor
(doesn't make it the Army Green that old mouthpieces, or ones that have
been rinsed in too hot water)
I have used them for about the last 10 years with students.
Dipping Ethanol on a Mouthpiece - I wouldn't try it to find out.

David Blumberg
reedman@-----.com

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