refinishing frustrations

John Ross jrpiano@win.eastlink.ca
Thu, 28 Apr 2005 14:24:50 -0300


Temperature above 90F, I wish. :-)
Good point though.
John M. Ross
Windsor, Nova Scotia, Canada
jrpiano@win.eastlink.ca
----- Original Message ----- 
From: "FRANCES HELMS" <fhelms@topeka.k12.ks.us>
To: <pianolac@bestweb.net>; <pianotech@ptg.org>
Sent: Thursday, April 28, 2005 1:28 PM
Subject: Re: refinishing frustrations


> Just want to mention that when using  strippers with wax make sure 
> temperature does not exceed 90 degrees.  If it does so, the wax tends to 
> melt into the pores, causing yet another problem.
> Fran Helms,
> Topeka, KS
>
>>>> <pianolac@bestweb.net> 04/28/05 1:14 AM >>>
> With all due respect to Chris and Mark, the size of one's shop should not
> dictate whether you use an environmentally responsible, efficient,
> effective and non-toxic material for stripping the finish off of pianos.
>
> There aren't any "waterbased" strippers.  There are various water soluble
> strippers that use relatively benign chemicals to do the stripping.  Dyna 
> 2
> is essentially a hyper-soap.  It wets the old coating to the bare wood, it
> does it in one application, and because of that fact, it is the least
> expnesive way to strip a piano.  The highest cost input for this job is
> labor.  If you can save one or two applications of stripper, you're saving
> a lot of time and money.
>
> There are side benefits of using a stripper like Dyna 2.  There's no wax 
> in
> it, yet it forms an exterior shell that prevents evaporation.  If you fail
> to remove all the wax from a methylene chloride stripper, you leave
> yourself open to craters and fisheyes.  Dyna 2 is also an effective
> silicone emulsifier, so it grabs furniture polish that penetrates into the
> pores.  Doesn't always get all of it, but since I've been using it, I
> haven't had one instance of silicone contaminated wood.
>
> I also like the idea of not burning my hands and arms and not spewing 
> forth
> toxic fumes in the air, and toxic waste into our environment.
>
> Arthur Grudko
> www.pianolac.com
>
>
>>Farrell <mfarrel2@tampabay.rr.com> wrote:The methylene chloride (I think
> that's right) type with the layer of wax that forms to minimize
> evaporation?
>>
>>Yep.  Works in 15-20 minutes.  About 2 1/2 gal. to strip a typical 5ft.7"
> grand.  A good fit for small shops that don't have room to lay out all of
> their parts for the several hours/overnight time frame required by the
> water-based strippers.  Yea, it's nasty - so precautions are in order.  I
> still prefer it to the water-based strippers for efficiency in my shop.
> And remember, I am a LONG-TIME water-base finisher, and do try to avoid 
> the
> stronger solvents when there are  alternatives that work well with my
> workplace.
>>
>>Mark Potter
>>
>>
>>
>
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