Shelf life is a real issue with the CA's used in model building. They need to be kept stored in a refrigerator to last for many months. Othewise, I have experienced a drop off in properties. I assume most CA glues have similar room temp shelf life problems. I have not yet used them for piano work. Dave >From: jolly roger <baldyam@sk.sympatico.ca> >Reply-To: pianotech@ptg.org >To: pianotech@ptg.org >Subject: Re: CA gluing Grand pinblocks & Uprights My take on it >Date: Tue, 30 Jul 2002 10:51:57 -0500 > > >Hi Ed, > There also seems to be quite a range of qualities with CA >products, and I have a gut feel that shelf life may be an issue. > >I'm with you, re pin block repairs, it is far from temporary. ( What ever >that may mean?) Repairs that I have I have done on S & S teflon >bushings, and bridge pins also seem better than temporary. > >Common sense and careful application is the name of the game. > >Regards Roger > >At 11:09 AM 7/30/02 -0400, you wrote: >> > Joe wrote: >> >> On a final note, I personally do not like CA glue for anything other >> >> than temporary repair, because I know that it will fail, eventually. >>Newton asks: >> >> >Upon what data or experience do you base that statement? >> >> I used a bottle of CA on several projects several years ago. A plastic >>clock on the wall, a wooden ruler, a pencil holder cup, etc. About a >>year >>ago, the clock fell off the wall. A week later, the handle came off the >>cup, >>and about two or three weeks after that, the ruler broke. >> I don't think CA is all that long term, but what I have seen in blocks >>is >>great. I also think that the increased torque in a pinblock comes from >>increasing the surface area between the pin and the wood more than >>"swelling" >>the wood. >>Regards, >>Ed Foote > _________________________________________________________________ Send and receive Hotmail on your mobile device: http://mobile.msn.com
This PTG archive page provided courtesy of Moy Piano Service, LLC