Klarinet Archive - Posting 000124.txt from 1996/01

From: Dave Lane <davelane@-----.NET>
Subj: Re: Gortex, Straubinger
Date: Sat, 6 Jan 1996 13:44:27 -0500

No, I'm only saying it would look like a Goretex pad. The teflon tape
comparison was only to help one visualize what a goretex pad would look
like. I believe the pores in the goretex are essential to the design of the
pad.

Dave

At 10:07 AM 1/6/96 -0500, you wrote:
>Are you saying that we could wrap our pads in the teflon tape to make them
>waterproof and more durable? It sounds like a good idea. For my last overhaul
>my repairman wrapped my pads in "Zephyr Skin", which looked like some sort of
>paper-like material. It seems to be working well. Does anybody know where to
>get "zephyr skin"? (No "from a zephyr" jokes please.)
>Fred (fsheim@-----.com)
>
>>"Gore-tex is the patented trade name for expanded polytetrafluoroethylene,
>>or PTFE[3]. It is the
>>same chemical as teflon, stretched at a high temperature to form a porous,
>>air permeable material.
>>Because of the small pore size, 0.1 micron, water and many organic solvents
>>penetrate Gore-tex as
>>a vapor but not as a liquid. Gore-tex is non-polar and chemically inert,
>>with no known solvating
>>agent. The source of its stability is the strong carbon-fluorine bond in the
>>molecule which
>>contributes to its excellent long-term aging characteristics."
>>
>> The clarinet pads are a standard Buffet goldbeater-skinned pad, with an
>>extra wrapping of the goretex material.
>>
>>I tried for two days to come up with a visual comparison of the Gore-tex
>>material. After finding the above info, I realized that it appeared
>>identical to the teflon tape a plumber would use! I unwrapped a pad and
>>compared it to the stuff in the garage tool chest, and it's a match (unless
>>you look closely for the 1 micron holes. My eyes are not what they used to
>>be). Most of the home handymen among us can probably picture a skin pad
>>with this stuff stretched across the face, and glued in back. That's a
>>Gore-tex pad.
>>
>>Dave
>>
>>you wrote:
>>>Anybody?
>>>
>>>OK, I give up. I've been in this business for a while and haven't heard
>>>of "Gortex pads." Who sells them, of what material are they made. Are
>>>they installed in the same manner as a conventional pad.
>>>
>>>
>>>Also a note about Straubinger pads: Where as I can see his (Dave's)
>>>concern as to how the pads are installed, is it really necessary to have
>>>expensive and extensive training in order to learn how to install a
>>>specific kind of pad? Keep in mind, I have no idea how much Dave
>>>Straubinger charges for this training, I'm only going on Klarinetwork
>>>hearsay. Also please keep in mind that I think David is a fine
>>>technician and I like the pads he has developed.
>>>
>>>
>>>Steve.
>>>Steve Prescott
>>>Instrument Rep.Tech./Clarinetist
>>>Indiana State University
>>>mipresc@-----.edu
>>>
>>>
>>
>>
>
>