naphtha + mineral oil

[Allan L. Gilreath, RPT]

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Dale,
Absolutely right.  My experience with using this on many pianos is that the
verdigris problem is temporarily lessened but returns after shortly, even
with multiple applications.  I prefer to replace parts when this problem
occurs and use the silicone/naphtha for what it's meant to address.

Allan
  -----Original Message-----
  From: owner-pianotech@ptg.org [mailto:owner-pianotech@ptg.org]On Behalf Of
BEATRIX ERWIN
  Sent: Thursday, October 04, 2001 11:23 PM
  To: pianotech
  Subject: Re: naphtha + mineral oil


  List
    I still say that  mineral oil or silicone won't cure verdigris. I've
tried the silicone and toluene as Yamaha directs and it works in some
sluggish flange cases  but is also only a temporary fix for verdigris.  The
mineral oil I've not tried. How bout some feedback from you all with
extensive experience with it. Be specific.
    I'm still waiting for the feedback from Dan Reeds post last week

  Best- Dale Erwin

    ----- Original Message -----
    From: Allan L. Gilreath, RPT
    Sent: Thursday, October 04, 2001 7:20 AM
    To: pianotech@ptg.org
    Subject: RE: naphtha + mineral oil

    Terry,

    The original research found this to work better at a concentration of 8
    parts naphtha to 1 part silicone.  There are other variables that you
can
    get into but I've been working with a chemist on some of these
particulars.
    But maybe I can play with that more after next summer.

    Allan

    -----Original Message-----
    From: owner-pianotech@ptg.org [mailto:owner-pianotech@ptg.org]On Behalf
    Of pianolover 88
    Sent: Wednesday, October 03, 2001 1:16 PM
    To: pianotech@ptg.org
    Subject: Re: naptha + mineral oil


    I'm waiting for my order of 100% Silicone Liquid, from Baldwin. This
will be
    my substitute for the outrageously priced Protek! This is cut 20/1
    naptha/silicone.

    Terry Peterson
    Precision Piano Service
    Torrance, CA


    >From: "Howard S. Rosen" <hsrosen@earthlink.net>
    >Reply-To: pianotech@ptg.org
    >To: "Pianotech" <pianotech@ptg.org>
    >Subject: naptha + mineral oil
    >Date: Wed, 3 Oct 2001 12:53:14 -0400
    >
    >
    >Date: Sun, 9 Sep 2001 07:40:29 -0400
    >From: "Phil Bondi" <tito@PhilBondi.com>
    >Subject: Re: naphtha + mineral oil
    >
    > >     A number of years ago, I worked in a piano shop where the we
used a
    > > mixture of mineral oil and naphtha to lubricate sluggish flanges.
What
    >is
    > > anyone's opinion on this?
    > > Gary McCormick
    > >
    >..I'm really glad someone else mention this before me..yes..I use this,
and
    >it works just fine...4 parts naphtha-1 part Mineral oil.
    >
    >whew,
    >roo(k)
    >___________________________________
    >
    >I agree with the roo(k). I've used this for 30 years with great results
and
    >no adverse effects. However, my formula is 8 parts naphtha to 1 part
    >mineral
    >oil. My feeling is that 4 to 1 might be too oily and might gum things
up. I
    >don't know for sure...just a gut feeling.
    >
    >With all the praises for Proteck, I too never felt that it worked any
    >better
    >than my formula above. Amazing, isn't it, how we techs differ in our
ideas,
    >approaches, opinions,methods etc. ?
    >
    >Howard S. Rosen, RPT
    >7262 Angel Falls Ct.
    >Boynton Beach, FL  33437
    >
    >561-737-2057
    >hsrosen@earthlink.net
    >


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