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Metal repairs using epoxy metal and other resin based products

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Manxmodder:
I found an excellent video clearly showing the superglue and baking soda being used to produce a reinforced repair to a plastic structural panel.

     


......OZ.

DavidA:
A cautionary tale.

last week I had to take my eighteen year old grand daughter to A&E .  She had been sticking on some false nails with cyanoacrylate glue (part of a kit she got for Christmas) when she knocked the glue bottle over her jeans,
She managed to quickly pull off the jeans but in the few seconds it took the glue had set and she tore off some skin.

We spent four hours in hospital and she ended up with a patch of glue about the size of your palm that will have to be left to come off on its own.

Note, there was no way that the doctors could remove this stuff from her leg without causing permanent damage

Be very careful with this stuff.

Dave.

vtsteam:
I have a friend who is a modeler and now has sarcoidosis, and will have a lymph node removal and steroid treatments starting this month. There is no direct tie-in with CA or epoxy use, but it seems likely that they may have had an influence, since he did a lot of building with these materials. The cyano in cyanoacrylate is also the same cyan in cyanide. Obviously not free, but with heat it can be. I avoid breathing this stuff whenever possible -- I generally use CA very little in model building, and I use epoxy carefully as well. It's the amine hardeners in epoxy that can cause severe allergic reactions. I've seen that happen to another person when I was an apprentice boatbuilder.

Meldonmech:
 
     Hi Manx

                    Would it not be easier to mix the powder with the resin for the second application, using a sharpened wooden lollipop stick.
                                          Cheers David

Manxmodder:
Hi David, if I am making a epoxy based metal paste I always do mix the metal powder with the resin and then activate whatever quantity I need. If making the superglue compound then the technique I use is apply some glue first then apply some metal powder. Subsequent layers I often apply the powder first then wet it out with the superglue (in layers of about 2mm thick) and continue that way until I have overfilled the repair area sufficiently to get it to level when I file and sand to final profile.

Do any of you remember or ever used Belzona chemical metal paste or putty?....OZ.

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