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<DIV><FONT size=2 face=Arial><FONT size=3 face="Times New Roman">To coat the
lead weights, I have been using shellac since my days as an <BR>apprentice in
1963. This works well as a sealant as player techs would know.<BR><BR>If the
lead has started to oxidize, then it will grow and will need <BR>replacing in
the future. There has been discussion here in Oz about why in <BR>some
pianos lead grows and others in the same room do not. When I was an
<BR>apprentice, i was told to add zinc to the molten lead to stop or slow down
<BR>this oxidization process.<BR><BR>Hope this helps.<BR><BR>Kerry Cooper
ARPT<BR>Brisbane,
Australia<BR><BR>--------------------------------------------------<BR>From:
"Andrew Anderson" <</FONT><A href=""><FONT size=3
face="Times New Roman">anrebe@gmail.com</FONT></A><FONT size=3
face="Times New Roman">><BR>Sent: Friday, March 25, 2011 10:08 PM<BR>To:
<</FONT><A href=""><FONT size=3
face="Times New Roman">pianotech@ptg.org</FONT></A><FONT size=3
face="Times New Roman">><BR>Subject: Re: [pianotech] Lead contamination
abatement protocol<BR><BR>><BR>> I'm not sure what I can seal the weights
themselves with, but will look <BR>> for a primer and cut a little hole
out of the bottom of a plastic cup and <BR>> spray into the cup over
the keyleads (after preparing with a little <BR>>
sanding).<BR>><BR>> There is room between the leads and the side of the
key, so they have not <BR>> expanded yet... Sealing might slow
the process, but I will recommend <BR>> eventual
replacement.<BR>><BR>> If anyone has more to add, please do
so.<BR>><BR>> Thanks,<BR>> Andrew Anderson<BR>> On Mar 23, 2011, at
8:12 PM, Leslie Bartlett wrote:<BR>><BR>>> When does one go "too far"
with this stuff. I'm old, and spent my life<BR>>>
messing with stuff that now I think will kill if you're within a <BR>>>
thousand<BR>>> miles- and the worst they've done to me is a bad heart
valve- which <BR>>> might<BR>>> have been because my mother was
exposed to something toxic when she was <BR>>> a<BR>>>
kid. I'm not trying to be too flip, but when I see anti bacterial
<BR>>> stuff at<BR>>> the grocery door, and realize I'm one of the
"bad people" who don't use <BR>>> such<BR>>> stuff, it just
seems a little much.<BR>>> Les Bartlett<BR>>><BR>>>
-----Original Message-----<BR>>> From: </FONT><A href=""><FONT size=3
face="Times New Roman">pianotech-bounces@ptg.org</FONT></A><FONT size=3
face="Times New Roman"> [mailto:pianotech-bounces@ptg.org] On <BR>>>
Behalf<BR>>> Of Andrew Anderson<BR>>> Sent: Tuesday, March 22, 2011
3:09 PM<BR>>><BR>>> The subject is a Wurlitzer from Korea.
Silver dust under the weights<BR>>> in the keys on the keybed and
keyframe. Leads are not protruding out<BR>>> of the key
(yet).<BR>>><BR>>> Do you moist wipe off the loose stuff, bag the
towels, and than seal<BR>>> the lead from the air with some sort of
paint/sealer?<BR>>><BR>>> Is replacement
necessary?<BR>>><BR>>> Ideas?<BR>>><BR>>> Andrew
Anderson</FONT><BR></FONT></DIV></BODY></HTML>