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Author Topic: Heat Strippable Magnet Wire  (Read 5173 times)
TANAKASAN
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« on: July 19, 2012, 03:47:22 AM »

Looking for a source of heat strippable magnet wire as used in the Elecraft kits. Any ideas?

Tanakasan
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KA4POL
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« Reply #1 on: July 19, 2012, 04:19:23 AM »

Using one of those so called 'search engines' like Google you'll find a company called Mouser. They got plenty, even have to sell it  Grin
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W4OP
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« Reply #2 on: July 19, 2012, 06:11:14 AM »

Belden sells it under their trade name Beldsol. As above, Mouser is a distributor for them.

Dale W4OP
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TANAKASAN
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« Reply #3 on: July 19, 2012, 07:11:29 AM »

Thanks Dale. I could see plenty of solid core wire in the online catalog but I wasn't sure which varieties were heat strippable. I might take a deep breath and buy a half pound drum but if anyone knows a source of smaller quantities I'd be grateful.

Tanakasan
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G3RZP
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« Reply #4 on: July 19, 2012, 07:28:58 AM »

I have a feeling you are this side of the pond. If so, http://wires.co.uk/ might be useful. All sorts of wire there.
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WB6BYU
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« Reply #5 on: July 19, 2012, 08:16:27 AM »

I think one brand name was "Thermaleaze", or something like that.
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W5FYI
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« Reply #6 on: July 19, 2012, 09:53:54 AM »

You can try www.qrpkits.com for their AWG26 and 28 wire, but orders won't be taken for a few more days due to a SK in the family.

Stew
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W0FM
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« Reply #7 on: August 08, 2012, 12:11:56 PM »

Are you referring to regular enamel coated magnet wire?  Like for winding toroids?

WØFM
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W0BTU
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« Reply #8 on: August 08, 2012, 01:05:35 PM »

I think one brand name was "Thermaleaze", or something like that.

All of the Thermaleze (a Belden trademark) coated magnet wire I've ever had is not heat-strippable. It's radiation cross-linked like most polyolefin heat shrink tubing which won't melt (only smoke).

Furthermore, Thermaleze insulation is considerably more difficult to scrape off, even with a sharp knife. (Those characteristics are a big plus in some applications). It will also resist most strong solvents and temperatures up to 200 C.
http://www.alliedelec.com/search/productdetail.aspx?sku=70004232
www.belden.com/techdatas/english/8076.pdf

I use that stuff sometimes (mostly heavy-armored Poly-Thermaleze), and would sure be interested in learning of an easier way to remove that stubborn insulation.
« Last Edit: August 08, 2012, 01:12:27 PM by W0BTU » Logged

AC7ZN
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« Reply #9 on: August 17, 2012, 04:45:35 PM »

Hi Tanakasan,

The auction site(s) have a better assortment and lower price than other places.

Look for polyurethane/nylon insulation.

For those of you in the U.S., the Radio Shack #278-1345 has three small spools of #22, 26 and 30 AWG wire.  In recent years all of it has been the heat-strippable kind.  Not the cheapest, but often the most convenient.

73,

Glenn AC7ZN

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W0BTU
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« Reply #10 on: August 17, 2012, 05:15:01 PM »

The auction site(s) have a better assortment and lower price than other places.

Check out http://stores.ebay.com/adaptengineering . We just bought some magnet wire from them last week. I haven't inspected it yet, but don't anticipate any issues.
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KB1WSY
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« Reply #11 on: August 17, 2012, 05:35:05 PM »

For those of you in the U.S., the Radio Shack #278-1345 has three small spools of #22, 26 and 30 AWG wire.  In recent years all of it has been the heat-strippable kind.  Not the cheapest, but often the most convenient.

Thank you very much! I have two packs of the RS magnet wire assortments and I had simply assumed it was *not* heat-strippable (because it says nothing on the package). I just tested the wire and you are right, it is heat-strippable. Very useful. If only they had made this clear on the package.... Now I can stop scraping the stuff with exacto knives and emery paper....

73 de Martin, KB1WSY
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