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4hv.org :: Forums :: General Science and Electronics
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What's the best way to strip 30 gauge magnet wire?

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jpsmith123
Wed Apr 06 2011, 12:01AM Print
jpsmith123 Registered Member #1321 Joined: Sat Feb 16 2008, 03:22AM
Location:
Posts: 843
I'm not sure exactly what kind of wire it is, but I think it's Essex "amber", with a "modified polyester base coat" and a "modified amide/imide overcoat". Some magnet wire can be soldered without stripping the insulation off, but not this stuff, apparently.

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big5824
Wed Apr 06 2011, 12:02AM
big5824 Registered Member #1687 Joined: Tue Sept 09 2008, 08:47PM
Location: UK, Darlington
Posts: 240
just scrape it off with a knife
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Mattski
Wed Apr 06 2011, 01:07AM
Mattski Registered Member #1792 Joined: Fri Oct 31 2008, 08:12PM
Location: University of California
Posts: 527
I use a small piece of sandpaper, wrap it around the end of the wire, and drag it towards the end. Repeat as necessary.
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2Spoons
Wed Apr 06 2011, 01:25AM
2Spoons Registered Member #2939 Joined: Fri Jun 25 2010, 04:25AM
Location:
Posts: 615
polyimide can be dissolved with sodium hydroxide dissolved in alcohol.
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Doubl3 Helix
Wed Apr 06 2011, 03:23AM
Doubl3 Helix Registered Member #1548 Joined: Mon Jun 16 2008, 09:22PM
Location: Ohio
Posts: 61
No idea if this would be recommended or not, but sometimes I just use a flame from a lighter to burn off the coating real quick.
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HazzWold 1993
Wed Apr 06 2011, 03:52AM
HazzWold 1993 Registered Member #2563 Joined: Mon Dec 21 2009, 10:17AM
Location: Australia
Posts: 280
I usually just burn it, then sandpaper it to shine
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Turkey9
Wed Apr 06 2011, 03:59AM
Turkey9 Registered Member #1451 Joined: Wed Apr 23 2008, 03:48AM
Location: Boulder, Co
Posts: 661
I use a small file. Pain in the but that magnet wire is. Handy though
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dmg
Wed Apr 06 2011, 04:44AM
dmg Registered Member #2628 Joined: Fri Jan 15 2010, 12:23AM
Location:
Posts: 627
I second hazzwold, burn it off, I use a lighter and a razor blade to rid of the residue.
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jpsmith123
Wed Apr 06 2011, 02:43PM
jpsmith123 Registered Member #1321 Joined: Sat Feb 16 2008, 03:22AM
Location:
Posts: 843
Thanks for all the good ideas!

I'm going to experiment on a sample of the wire right now.
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radiotech
Wed Apr 06 2011, 06:55PM
radiotech Registered Member #2463 Joined: Wed Nov 11 2009, 03:49AM
Location:
Posts: 1546
A method used by radio repair shops is to put a blob of solder
on an iron tip while dragging the end of of the wire through.
Its important to do this in one quick action before flux in
the solder boils off. This leaves a tinned end.

The other way is to wrap the insulated wire around a tinned
coil terminal and apply iron and solder quickly.

In the best of worlds you would have a Bunsen flame at hand
with your choice of flame color parts to pass the wire quickly through
to get bare metal.
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