powdered Teflon--new use??

[Robin Blankenship]

I have heard that above about 600 degrees F, the teflon breaks down into, 
and emits phosgene gas, which was a deadly agent used in World War I. Not 
nice stuff to breath.

Robin Blankenship

----- Original Message ----- 
From: "Andrew and Rebeca Anderson" <anrebe at sbcglobal.net>
To: "Pianotech List" <pianotech at ptg.org>
Sent: Sunday, May 14, 2006 9:06 AM
Subject: RE: powdered Teflon--new use??


> Brian,
> The process of making teflon involves some nasty chemicals.  Burning 
> teflon (high temperatures) breaks it down and releases nasty chemicals. 
> At normal temperatures it is inert.  Metabolism doesn't get hot enough. 
> In fact normal cooking doesn't get hot enough, witness teflon coated pans 
> etc.  Regardless, burnt offerings occur often enough here that I won't 
> have teflon coated cookery in my house. ;-)
>
> Andrew Anderson
>
> At 06:25 PM 5/12/2006, you wrote:
>>Even if it does not touch the skin?  Where can I find out more about the
>>possible toxic qualities?
>>
>>Brian P. Doepke
>>
>>AAA Piano Works, Inc.
>>260-432-2043
>>260-417-1298
>>
>>-----Original Message-----
>>From: pianotech-bounces at ptg.org [mailto:pianotech-bounces at ptg.org] On 
>>Behalf
>>Of gordon stelter
>>Sent: Friday, May 12, 2006 5:52 PM
>>To: Pianotech List
>>Subject: Re: powdered Teflon--new use??
>>
>>Yes. And quite possibly extremely toxic, and conducive
>>to cancer and horrible, horrible birth defects. Bad
>>idea.
>>      Thump
>>
>>
>>--- Brian Doepke <doepkeb at comcast.net> wrote:
>>
>> > A gym teacher friend of mine wears orthotics in her
>> > shoes that squeak when
>> > she walks.  Baby powder did not help.  I gave her
>> > some powdered Teflon to
>> > try.  Ba-da-bing.no squeaking.
>> >
>> > Brian P. Doepke
>> >
>> > AAA Piano Works, Inc.
>> > 260-432-2043
>> > 260-417-1298
>> >
>> >   _____
>> >
>> > From: pianotech-bounces at ptg.org
>> > [mailto:pianotech-bounces at ptg.org] On Behalf
>> > Of pmc033 at earthlink.net
>> > Sent: Thursday, May 11, 2006 9:09 PM
>> > To: tune4u at earthlink.net, Pianotech List
>> > Subject: RE: Slow key mystery ....
>> >
>> > Hi Alan:
>> >     Did you determine if the wippen flange was
>> > stuck?  It often causes the
>> > key not to return quickly.  Unfortunately, if this
>> > is the case, you won't be
>> > able to determine this unless you take out the
>> > action and check it.  I vote
>> > for the iffy weights.  Good luck.
>> >     Paul McCloud
>> >     San Diego
>> >
>> >
>> > ----- Original Message -----
>> > From: Alan Barnard <mailto:tune4u at earthlink.net>
>> > To: Pianotech <mailto:pianotech at ptg.org>
>> > Sent: 05/11/2006 5:43:32 PM
>> > Subject: Slow key mystery ....
>> >
>> > First visit, new customer, Baldwin Howard spinet.
>> >
>> > Customer complains that F2 "sticks". Sure enough, it
>> > is very slow to return.
>> > Lift sticker off the key end and the action seems
>> > lively enough. No problem
>> > with keyslip. Look at back of key and, guess what,
>> > someone else tried to fix
>> > this key: It had a jiffy lead nailed to the back.
>> >
>> > I removed the lead, so I could make a propper
>> > repair, for heaven's sake! I
>> > eased the key a bit and then it would return just as
>> > fast as its neighbors.
>> > Done ... or so I thought.
>> >
>> > Tuned and was playing the piano when I noticed F2
>> > "sticking". Further
>> > experiments revealed that it only happened when I
>> > depressed the sustain
>> > pedal. Hmmmm....
>> >
>> > Tried holding the damper off the string with a hook
>> > (no pedal pressed) and
>> > the slow return was still evident. Hmmmmm....
>> >
>> > I could not, offhand, think how the damper, damper
>> > arm or spring, would
>> > affect key return like this. I was out of time,
>> > running late actually, so I
>> > had to come up with something quick.
>> >
>> > Simple. I nailed the jiffy lead back in place. Works
>> > great.
>> >
>> > All I can think is that maybe the felt is worn and
>> > the spoon is snagging on
>> > it, or something. And I do want to fix it properly
>> > next time.
>> >
>> > Any ideas, oh wise and knowing List?
>> >
>> > Alan Barnard
>> > Salem, Missouri
>> >
>> >
>>
>>
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>
>
>
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