Hmm so it does have a lubircant (:) in it. The best thing I can say about WD 40 for use in pianos is in cleaning player piano spool drive mechanisms. Did you know WD means Water Displacement or is that what a surfactant is? ric. ---------- > From: Newton Hunt <nhunt@jagat.com> > To: pianotech@ptg.org; fwilliam@collegeclub.com > Subject: Re: WD-50 > Date: Wednesday, August 11, 1999 7:06 AM > > WD-40 is a petroleum product composed of surfactants, solvents and 1/3 > light machine oil.
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