Thanks Michiel, I dilute it to 10% a the time I need it. I've had mine for 1 1/2 years, maybe 2 and it still works. LANCE LAFARGUE, RPT LAFARGUE PIANO SERVICES New Orleans Chapter Mandeville, LA. _______________________________ II III II III II III II III II III II III II III II III II III II ------------------------------------------------------- lafargue@iamerica.net ---------- > From: Michiel van Loon <mvanloon@xs4all.nl> > To: pianotech@ptg.org > Subject: Re: peroxide > Date: Wednesday, March 17, 1999 2:37 PM > > Lance, > I use 30% H2O2 to bleach soundboards , and the chemist who sold it to me, > told me, that as long as I don't delute it down to a lower percentage and > keep the (black PE) bottle closed it stays good. > She doesn't stock a lower % H2O2. When she needs some low% to sell to a > customer she delutes it at THAT moment, and advises to use it asap. > Michiel van Loon > Meppel > Holland > > -----Oorspronkelijk bericht----- > Van: Lance Lafargue <lafargue@iamerica.net> > Aan: pianotech@ptg.org <pianotech@ptg.org> > Datum: dinsdag 16 maart 1999 19:13 > Onderwerp: Re: peroxide > > > >So is my 2 year old H202 on the shelf still good? It seems to still work > >as when it was new. > >LANCE LAFARGUE, RPT > >LAFARGUE PIANO SERVICES > >New Orleans Chapter > >Mandeville, LA. > >_______________________________ > >II III II III II III II III II III II III II III II III II III II > >------------------------------------------------------- > >lafargue@iamerica.net > > > >---------- > >> From: Newton Hunt <nhunt@jagat.com> > >> To: pianotech@ptg.org > >> Subject: Re: peroxide > >> Date: Monday, March 15, 1999 8:26 AM > >> > >> Hydrogen peroxide, two hydrogen and two oxygen, is unstable and breaks > >> down to free oxygen and water. It is the free oxygen that does the > >> work. For a complete break down a catalyst is required, in this case > >> it is platinum. > >> > >> This reaction action is familiar to contact lens wearers. > >> > >> Newton > >> > >> > >
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