[pianotech] Nitrocellulose Lacquer: Stirred, Shaken, or Left Alone?

Paul Milesi, RPT paul at pmpiano.com
Mon Jan 31 06:56:32 MST 2011


Thank you, Al.  I did do a second application last evening on the top two
sections of this D, using more like 3 or 4:1.  Also, I did stir the gallon
of lacquer this time just to be sure.  Your clarifications are much
appreciated!  Thank you.

How likely is it that ALL the hammers of a set (Steinway) would need
juicing?  I did do the middle section the first time because it  seemed a
little weak, but left it out of the second application because I didn¹t want
to overdo it.

Paul Milesi, RPT
Washington, DC
(202) 667-3136
E-mail:  paul at pmpiano.com
Website:  http://www.pmpiano.com



From: Al Guecia/Allied PianoCraft <alliedpianocraft at hotmail.com>
Reply-To: <pianotech at ptg.org>
Date: Mon, 31 Jan 2011 08:41:35 -0500
To: <pianotech at ptg.org>
Subject: Re: [pianotech] Nitrocellulose Lacquer: Stirred, Shaken, or Left
Alone?

Paul,

First, it does settle and the lacquer must always be stirred before using.
Secondly, you may need to do several applications to get the results you are
looking for. Thirdly, sometimes you'll need a 4:1 mix on the last 6 or 7
treble hammers.

Al -
High Point, NC



On Jan 30, 2011, at 11:34 AM, Paul Milesi, RPT wrote:

> I purchased a gallon of ML Campbell clear nitrocellulose lacquer and their
> thinner to use to build tone in Steinway hammers.  Since this lacquer is 25%
> solids, per Steinway manual I used a ratio of roughly 8:1 thinner to
> lacquer.  One application (hammers thoroughly soaked) did not build tone as
> I thought it would.  What happened?  Also, wondering now if the solids
> settle, and maybe I didn't stir or shake the lacquer before using--don't
> remember now.  Does this matter?  Thanks for any ideas.  Still learning how
> to do this.
> 
> Paul Milesi, RPT
> Washington, DC
> (202) 667-3136
> E-mail:  paul at pmpiano.com
> Website:  http://www.pmpiano.com
> 
> 
> 



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