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February 2002

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Subject:
From:
Mike Fenner <[log in to unmask]>
Reply To:
Date:
Fri, 22 Feb 2002 09:22:08 -0000
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Beat me to it! If you do a lot of this or the wire is very thin, you may
want to look at a lower tin content solder, also put some good extraction
over the pot.

Kind Regards

Mike Fenner

Applications Engineer, European Operations
Indium Corporation
 T: + 44 1908 580 400
M: + 44 7810 526 317
 F: + 44 1908 580 411
 E: [log in to unmask]
W: www.indium.com
Leadfree: www.Pb-Free.com



-----Original Message-----
From: TechNet [mailto:[log in to unmask]]On Behalf Of Sauer, Steven T.
Sent: Thursday, February 21, 2002 8:23 PM
To: [log in to unmask]
Subject: Re: [TN] stripping insulation from polyu-nylon coated magnet
wire


Phil,
The simplest method is to dip the wire in a solder pot (~500°F, 260°C).
This removes the coating and tins the wire at the same time.  Most
polyurethanes and nylon coatings are in thermal classes of 105°C, 130°C,
155°C and 180°C which should be removable while immersed in molten solder.
The dwell time will be significantly longer than what is used to tin
temperature sensitive components.
Another method is thermal strippers.
The least favorite and hardest to control is abrasion using an exacto knife.

Steve Sauer
Manufacturing Engineer
Northrop Grumman, Xetron

-----Original Message-----

Anyone have a reliable safe method of removing the polyurethane and nylon
coating that protects magnet wire so that the wire can be used to solder as
a jumper wire.  I remember using a hot chemical salt type stripping bath
many years ago but was hoping that someone has found a better way to do
this since then.

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