[Amps] fiberglas tape

[Mike McCarthy, W1NR]

Scotch # 27 Fiberglass electrical tape.  It is a special high temp high
dielectric strength tape.  After wrapping a toroid core with it I also give
it a couple of coats of GC Electronics Polystyrene "Q-Dope" (polystyrene
synthetic resin).  Both are available from www.alliedelec.com.  Mouser only
lists the 1/2" tape.  I prefer the 3/4" wide for those really BIG toroids.

Mike, W1NR

-----Original Message-----
From: amps-bounces at contesting.com [mailto:amps-bounces at contesting.com] On
Behalf Of gdaught6 at stanford.edu
Sent: Monday, June 12, 2006 11:21 PM
To: amps
Subject: [Amps] fiberglas tape

Hi,

I've often read "wind the toroid core with fiberglas tape..."  What the heck
is fiberglas tape?  

There is fiberglass tape for patching drywall, and for covering seams when
building a boat, and other stuff that I can find at my local hardware
places.  But none of this tape seems appropriate for winding around a toroid
before the turns of copper go on.

What is the right stuff, and where does one get it?

73,

George T. Daughters, K6GT




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