Need info on old Knabe

[Paul]

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Mark=20
Glad you mentioned the shellac barrier coat. I've used it for years to =
contain contamination, but probably not as often as you do .It does =
impart a beautiful richness to the darker woods as you said.

Paul Chick
  ----- Original Message -----=20
  From: bases-loaded@juno.com=20
  To: pianotech@ptg.org=20
  Sent: Monday, March 26, 2001 12:06 PM
  Subject: Re: Need info on old Knabe


  HI Wim -

  =20

  As an added precaution, you might consider a 2-lb cut of de-waxed =
shellac brushed on the surface (or spray two 1-lb cuts) as a good =
adhesion coat and contamination barrier.  Shellac is wonderful when used =
this way with the water-based products.  It all but eliminates adhesion =
problems, and also is extremely flattering to woods like mahogany, =
rosewood, and walnut, something that some water-based products lack. =20

  Shellac also is completely compatible with solvent-based lacquer, and =
I routinely used shellac as the initial clear coats when I sprayed =
nitrocellulose lacquer.  I continue that practice today with water-based =
lacquers in almost every instance. =20

  There's really not a compelling reason not to...

  Mark Potter
  bases-loaded@juno.com



  On Mon, 26 Mar 2001 08:33:42 -0600 "Paul" <tunenbww@clear.lakes.com> =
writes:
    Wim=20
    The oils in rosewood can cause fish eyes in your lacquer. I'm not =
sure what there affect is with waterbased finishes. I wash the rosewood =
down with lacquer thinner JUST BEFORE spraying it and have had no =
problems. Maybe this veneer is old enough to have lost enough oils so =
the problem won't exist. Test first. Maybe others will reply. I'd like =
to hear how WB finishes work on such veneers.

    Paul Chick
      ----- Original Message -----=20
      From: Wimblees@AOL.COM=20
      To: Pianotech@ptg.org=20
      Sent: Saturday, March 24, 2001 3:47 PM
      Subject: Need info on old Knabe
      design. She wants this to be original also.=20

      Is there a secret to refinishing rosewood? I heard that you don't =
lacquer=20
      rosewood, that you just use tung oil. Any truth to that?=20

      Willem=20


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