 The Clarinet BBoard
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Author: Sara
Date: 1999-11-03 23:31
I took my festival to the shop the other day to get the cork pad on my bridge keys replaced and the repair man told me he did not carry that particylar type of synthetic coork. Whats so specail about the cork pads on the keys?
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Author: ron
Date: 1999-11-04 00:01
Sara -
That's a new one to me too. Possibly some techs might use teflon, comes in sticky back sheets, for the bridge but good ol', plain ol' cork has been perfectly fine for a long, long time. Would be interesting to know what kind of 'synthetic' cork the tech wants to use. Cork is cork.
Ron
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Author: Sara
Date: 1999-11-04 01:15
I don't think its cork its something else-with a completely different texture to it than cork. Its thicker too.
Sara
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Author: Rick2
Date: 1999-11-04 03:33
I've ordered synthetic cork from WW$BW. For tenons, I don't advise it because although the material itself seems to last forever, the adhesive sticks to the horn better than the cork, so you end up getting the tenon cork coming loose but it takes a LONG time to get the adhesive off the tenon. I did order some of the precut key "cork" sheets of the same material and have had the same key "corks" on my clarinet for almost a year with no problems with coming loose and not much compression except at the register key. You still have to shave them down with sandpaper for good regulation.
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Author: Don Berger
Date: 1999-11-04 16:43
What Syn. Cork I've seen, I dont like. The "regular", natural, cork we are all used to is plenty good for tenons and keys. As Rick pointed out, sanding to a good , non-leaking tenon fit is necessary in most instances, so the "quickies" often turn out to be slow. I'm not sure, but the material is prob. an elastomeric synthetic polymer, possibly of butadiene/styrene. Will try to find out! Don
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Author: Aaron Hayden
Date: 1999-11-04 17:13
As a technician for 25 years, I will not use the synthetic cork on any tenons, however sometimes I will use this type of material on student horns that take abuse in the marching field or a child that is a little rough assembling the clarinet, especially the bridge key. I will not use the self stick type, I apply the material the same way I would apply natural cork.
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Author: Willie
Date: 1999-11-05 04:05
Beware of cork intended for automotive gaskets. I have redone a few tenons that had been corked with good ol' Felpro gasket material. I do use this for my engines but it just won't hold up as a tenon cork. Cork gasket material is made up of cork chips and ground up rubber, compressed into sheets with a bonding agent. Sandwiched between to metal surfaces its ok but on tenons its exposed to the stress of assembly and disassenbly.
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