[pianotech] Epoxy

[David Love]

It doesn't penetrate as well as thin ca which wicks in around the top of the tuning pins and firms up the contact between the pin and the block without spreading around and making a huge mess. 

David Love
www.davidlovepianos.com
415.407.8320


Dean May <deanmay at pianorebuilders.com> wrote:

>If epoxy penetrates cracks just as well as CA does, then why don't we use it
>to treat loose tuning pins?
>
>Dean
>Dean W May                (812) 235-5272 voice and text 
>PianoRebuilders.com    (888) DEAN-MAY        
>Terre Haute IN 47802
>-----Original Message-----
>From: pianotech-bounces at ptg.org [mailto:pianotech-bounces at ptg.org] On Behalf
>Of Joseph Garrett
>Sent: Monday, November 05, 2012 9:15 PM
>To: Terry Farrell; pianotech at ptg.org
>Subject: Re: [pianotech] Epoxy
>
>Terry,
>As I said, It was a while ago, and it could be as you say. I may have read
>it or interpreted it wrong. I think I was wrong back in the 70's, but can't
>remember the specifics on that either.<G>
>As for System Three epoxies, I did not say it would cure slower at higher
>temps. I think what I said was that heat didn't seem to make it cure
>faster, as some epoxies do and some have assumed pertains to ALL epoxies.<G>
>At one time or another, I think I've used most of the major epoxies and a
>few some haven't even seen or heard of.<G> It's a huge part of my bag of
>trix.<G> It is far more versital,(sp?) than CA is, imo.
>Joe
>
>> [Original Message]
>> From: Terry Farrell <mfarrel2 at tampabay.rr.com>
>> To: <joegarrett at earthlink.net>; <pianotech at ptg.org>
>> Date: 11/5/2012 5:59:40 PM
>> Subject: Re: [pianotech] Epoxy
>>
>> Hi Joe,
>>
>> I can't comment specifically on the epoxy you saw in the magazine because
>you don't have the manufacturer, however all the epoxies I have read about
>that are designed for use in cooler weather simply have the feature that
>they will harden at cooler temperatures - they will still harden faster at
>higher temperatures.
>>
>> I doubt that the article said that the epoxy would cure faster in cold
>weather than warm - likely it simple pointed out that it WOULD cure in cool
>weather.
>>
>> But if I am wrong (it happened once before in 1962), please provide
>specifics so that I can expand my knowledge.
>>
>> Here's a link to System Three Cold Cure epoxy: 
>http://www.systemthree.com/reslibrary/tds/Cold-Cure_TDS.pdf  It states that
>it will cure down to 35 degrees F - doesn't say anything about curing
>slower at higher temps.
>>
>> Thanks.
>>
>> Terry Farrell
>>
>> On Nov 5, 2012, at 12:48 PM, Joseph Garrett wrote:
>>
>> > Mike, 
>> > I read an article in a Sailing magazine that said there were a few
>epoxies
>> > that were designed for colder temps, in making emergency repairs to a
>boat.
>> > Since it's been a while and I didn't consider it pertinent to what we
>do, I
>> > cannot recall the specific brand or group of epoxies it was. Suffice it
>to
>> > say, the article did state that some would set faster in cold. At the
>time
>> > I thought that was interesting, since I was always under the impression
>> > that the heat generated by the chemical processes of epoxies, was the
>> > determining factor. I wish I could be more specific in that regard.
>> > Best,
>> > Joe
>> > 
>> > 
>> >> [Original Message]
>> >> From: Mike Spalding <mike.spalding1 at frontier.com>
>> >> To: <joegarrett at earthlink.net>; <pianotech at ptg.org>
>> >> Date: 11/5/2012 9:11:26 AM
>> >> Subject: Re: [pianotech] Epoxy
>> >> 
>> >> Joe,
>> >> For our edification, can you name one epoxy that cures faster cold
>than 
>> >> hot?  This  cut-n-paste from the West Systems "how to use" page 
>> >> summarizes the behavior of every epoxy I've ever used:
>> >> 
>> >> 
>> >> 
>> >> */Figure 1---/All resin/hardener combinations go through the
>> >> same phases of cure. All combinations cure faster at warmer
>> >> temperatures and cure slower at cooler temperatures.
>> >> *
>> >> cheers,
>> >> 
>> >> Mike
>
>
>
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