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In Reply to: RE: maggie SMGa water based repair glue options? posted by chertok22@gmail.com on February 27, 2017 at 09:58:31
There are two adhesives used in Magnepan construction. The first is to set the wires to the mylar in place. This is the 3m77 of the DAP weldwood stuff. Once this is done then the entire panel is covered in a water based contact adhesive. This is the 3M 30NF Fastbond contact cement, It is water based and Magnepan will not ship it during the winter months.
You can buy the all the materials locally. Home Depot/Lowes sells the spray contact ahedsive and Grainger sells the brush on contact cement.
This is my maggie rebuild page - should hopefully shed some light.
Follow Ups:
hi man,
your write up is awesome. thanks for the help. it would have been a bit of a pain to wait until april as i had thought i needed to do.
so can i ask you about re-soldering while the screens are off?
can i simply melt the solder and let it melt and then let it re-harden? can i just leave well enough alone? or do i need to get in and re-solder?
also, can i please ask you about "aluminum specific solder" and flux? i guess this is necessary since the /wires/ are aluminum so you need to go with aluminum wire as opposed to what i would use with motorcycle wiring of copper wires?
THANK YOU
jon
So the big issue with soldering aluminum is the quick oxidation of the metal. I was replacing all the wires on my build so I didn't want to chance it. To much heat and you start melting components around what you are trying to solder.
I would call the folks at Kapp and see what they have, I don't remember specfically what I used or if their product lineup has changed. It wasn't expensive at all and it made soldering really easy.
Copper wires have a lot more mass than aluminum. I would stay away and stick with aluminum.
ok. so if mine look attached there is no reason to resolver?
or at one point i thought i saw a recommendation to /melt/ the existing solder and just let it set up again (for some reason i don't remember...).
jon
thanks man!
i'll print it out and start looking for materials.
appreciate it!
jon
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