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Hi Steve...
I am still in the experimental stages myself, but so far, I feel that =
fully catalyzed urushi is a bit stronger and more resilient than cashew. =
However, having tried dozens of domestic, commercially available =
lacquers, cashew (being non-domestic, of course) is among the best, next =
to urushi. It flows nicely and provides an beautiful finish. As far as =
thinning, I would tend to avoid camphor or turpentine (for cashew), as =
it seems to work best with the agent(s) already present in it's =
synthetic base; odor is also an annoying factor with the above thinners. =
If you like "rolling your own" thinning mixtures, there are specs at =
http://www.itwtranstech.com/MSDS/Thinner%20%231%20Cashew.pdf, which you =
may have already seen. Or, if you want to shell out the big bucks, it =
can be purchased domestically at =
http://www.shadowofleaves.com/Lacquering_finishes.htm (which is =
comparable to final importing costs, if you can even get it shipped over =
here, from there).
Nitrate Dope is another excellent alternative lacquer, but I still =
prefer urushi & cashew. Avoid butyrate dope, as it has been =
compositionally brutalized to meet safety, environmental and aircraft =
fuel-proof needs (however it cures with a bit more gloss, in thinner =
applications).
Since urushi is already the finish on your guqin, you might also check =
with one of the residing shakuhachi veterans, to see if they can =
possibly do a refurb for you. =20
All the best,
:)
Derek
________________________________
----- Original Message -----=20
From: Steve Amazeen=20
To: shakuhachi@communication.ucsd.edu=20
Sent: Thursday, September 09, 2004 3:06 AM
Subject: [Shaku] Cashew Urushi vs. Urushi
Hello,
I am hoping that some of the list members might have some information. =
=20
I play guqin and the lacquer is in need of some repair. Cashew Urushi =
is being considered because of a strong allergic reaction to Urushi.
2 questions:
Is Cashew Urushi as durable a lacquer as Urushi?
What does one thin it with?
There is a commercial Cashew Thinner available but it seems to be =
impossible to get in the US. =20
I understand the list is dedicated to shakuhachi, but I don't know who =
else to ask. =20
Most appreciativeley,
Steve Amazeen
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<META http-equiv=3DContent-Type content=3D"text/html; =
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<META content=3D"MSHTML 6.00.2800.1400" name=3DGENERATOR>
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</HEAD>
<BODY bgColor=3D#ffffff>
<DIV><FONT face=3DArial size=3D2>Hi Steve...<BR><BR>I am still in the =
experimental=20
stages myself, but so far, I feel that fully catalyzed urushi is a bit =
stronger=20
and more resilient than cashew. However, having tried dozens of =
domestic,=20
commercially available lacquers, cashew (being non-domestic, of course) =
is among=20
the best, next to urushi. It flows nicely and provides an =
beautiful=20
finish. As far as thinning, I would tend to avoid camphor or =
turpentine=20
(for cashew), as it seems to work best with the agent(s) already =
present in=20
it's synthetic base; odor is also an annoying factor with the above =
thinners. If=20
you like "rolling your own" thinning mixtures, there are specs at =
<A=20
href=3D"http://www.itwtranstech.com/MSDS/Thinner%20%231%20Cashew.pdf">htt=
p://www.itwtranstech.com/MSDS/Thinner%20%231%20Cashew.pdf</A>,=20
which you may have already seen. Or, if you want to shell out the =
big=20
bucks, it can be purchased domestically at <A=20
href=3D"http://www.shadowofleaves.com/Lacquering_finishes.htm">http://www=
.shadowofleaves.com/Lacquering_finishes.htm</A> (which=20
is comparable to final importing costs, if you can even get it shipped =
over=20
here, from there).<BR><BR>Nitrate Dope is another excellent alternative =
lacquer,=20
but I still prefer urushi & cashew. Avoid butyrate dope, as it =
has=20
been compositionally brutalized to meet safety, environmental and =
aircraft=20
fuel-proof needs (however it cures with a bit more gloss, in thinner=20
applications).<BR><BR>Since urushi is already the finish on your guqin, =
you=20
might also check with one of the residing shakuhachi veterans, to see if =
they=20
can possibly do a refurb for you. <BR><BR>All the=20
best,<BR><BR>:)<BR><BR>Derek<BR><BR><BR><BR><BR><BR></FONT>______________=
__________________</DIV>
<BLOCKQUOTE dir=3Dltr=20
style=3D"PADDING-RIGHT: 0px; PADDING-LEFT: 5px; MARGIN-LEFT: 5px; =
BORDER-LEFT: #000000 2px solid; MARGIN-RIGHT: 0px">
<DIV style=3D"FONT: 10pt arial">----- Original Message ----- </DIV>
<DIV=20
style=3D"BACKGROUND: #e4e4e4; FONT: 10pt arial; font-color: =
black"><B>From:</B>=20
<A title=3Dblueharp@earthlink.net =
href=3D"mailto:blueharp@earthlink.net">Steve=20
Amazeen</A> </DIV>
<DIV style=3D"FONT: 10pt arial"><B>To:</B> <A=20
title=3Dshakuhachi@communication.ucsd.edu=20
=
href=3D"mailto:shakuhachi@communication.ucsd.edu">shakuhachi@communicatio=
n.ucsd.edu</A>=20
</DIV>
<DIV style=3D"FONT: 10pt arial"><B>Sent:</B> Thursday, September 09, =
2004 3:06=20
AM</DIV>
<DIV style=3D"FONT: 10pt arial"><B>Subject:</B> [Shaku] Cashew Urushi =
vs.=20
Urushi</DIV>
<DIV><BR></DIV>
<DIV><FONT face=3DArial size=3D2>Hello,</FONT></DIV>
<DIV><FONT face=3DArial size=3D2></FONT> </DIV>
<DIV><FONT face=3DArial size=3D2>I am hoping that some of the list =
members might=20
have some information. </FONT></DIV>
<DIV><FONT face=3DArial size=3D2></FONT> </DIV>
<DIV><FONT face=3DArial size=3D2>I play guqin and the lacquer is in =
need of some=20
repair. Cashew Urushi is being considered because of a strong =
allergic=20
reaction to Urushi.</FONT></DIV>
<DIV><FONT face=3DArial size=3D2></FONT><FONT face=3DArial=20
size=3D2></FONT> </DIV>
<DIV><FONT face=3DArial size=3D2>2 questions:</FONT></DIV>
<DIV><FONT face=3DArial size=3D2></FONT> </DIV>
<DIV><FONT face=3DArial size=3D2>Is Cashew Urushi as durable a lacquer =
as=20
Urushi?</FONT></DIV>
<DIV><FONT face=3DArial size=3D2></FONT> </DIV>
<DIV><FONT face=3DArial size=3D2>What does one thin it =
with?</FONT></DIV>
<DIV><FONT face=3DArial size=3D2></FONT> </DIV>
<DIV><FONT face=3DArial size=3D2>There is a commercial Cashew Thinner =
available=20
but it seems to be impossible to get in the US. </FONT></DIV>
<DIV><FONT face=3DArial size=3D2></FONT> </DIV>
<DIV><FONT face=3DArial size=3D2>I understand the list is dedicated to =
shakuhachi,=20
but I don't know who else to ask. </FONT></DIV>
<DIV><FONT face=3DArial size=3D2></FONT><FONT face=3DArial=20
size=3D2></FONT> </DIV>
<DIV><FONT face=3DArial size=3D2>Most appreciativeley,</FONT></DIV>
<DIV><FONT face=3DArial size=3D2></FONT> </DIV>
<DIV><FONT face=3DArial size=3D2>Steve=20
Amazeen</FONT></DIV></BLOCKQUOTE></BODY></HTML>
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