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| Does Weld-On fuse Plastic ? http://www.luthiersforum.com/forum/viewtopic.php?f=10101&t=32014 |
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| Author: | sdsollod [ Thu Apr 28, 2011 10:43 am ] |
| Post subject: | Does Weld-On fuse Plastic ? |
I used Weld-On to glue tortoice binding to a fingerboard. Dispite my efforts, the binding did not get seated exactly right on the end.  I glued the sides first and they are okay. Can I use heat (purhaps from a heat gun or hair drier) to remove this small piece of binding? It is glued to the side binding as well as the end of the fingerboard. Does the Weld-On fuse the plastic binding pieces together? Will it soften enough to remove that piece and allow me to glue another piece in?Steve |
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| Author: | sdsollod [ Thu Apr 28, 2011 7:12 pm ] |
| Post subject: | Re: Does Weld-On fuse Plastic ? |
Bump. Anybody... |
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| Author: | woody b [ Thu Apr 28, 2011 8:00 pm ] |
| Post subject: | Re: Does Weld-On fuse Plastic ? |
I've never used weld on, but if I'm understanding correctly the binding on the end of the fingerboard is the problem (??) If it is just a small piece on the end I'd either try to remove it with a sharp knife, or sand it off. Celluloid binding will burn easily (it's actually flammable) so I don't think heat is a good idea. |
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| Author: | jm2 [ Thu Apr 28, 2011 8:38 pm ] |
| Post subject: | Re: Does Weld-On fuse Plastic ? |
Well out of my zone of expertise, but as long as any applied heat does not reach ignition temperature, you would probably be O.K. If you have a small piece of scrap, simply do a prolonged test with a heat gun, to determine a safe temperature threshold for the real operation. But removing it -as mentioned by woodyB- might still be a better idea. |
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| Author: | Laurent Brondel [ Fri Apr 29, 2011 4:36 am ] |
| Post subject: | Re: Does Weld-On fuse Plastic ? |
Do not use a heat gun with celluloid in order to melt the glue. Celluloid ignites suddenly and you'll ruin your piece, there's no warning. Woody's advice is best: remove the piece with a sharp chisel and/or knife. Alternatively, you can melt celluloid on celluloid with acetone if it's a gap to fill. |
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| Author: | sdsollod [ Fri Apr 29, 2011 10:24 am ] |
| Post subject: | Re: Does Weld-On fuse Plastic ? |
Those are some good ideas. It looks like I should either cut the end piece off with a sharpe chisel or use a paste w/ acetone and binding shavings to patch the gap. Thanks for the heads-up on heating the celluloid. I knew it was flamable but I didn't think that trying to losen the glue with heat could be a problem.... Sometimes you just need someone to bounce ideas off of and that's why I like this forum... Steve |
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