The ones i still have are made of mica.

"Michael Black" schreef in bericht
ample.org...


On Sun, 29 Jun 2008, pa5tig wrote:

you could try transistor insulating mica..
The thicker types can be split with a boxcutterknife.

Are those still being made of mica? SOmething about the texture of
those I've handled recently make me wonder if they've come up
with a synthetic.

Michael VE2BVW

"Chuck Harris" schreef in bericht
...
Mica is harmless, but the mining operations are not. Mica is almost
always found interspersed with asbestos.

-Chuck

Tio Pedro wrote:
Try your local hardware store. Ask for a replacement
"mica window" for a wood stove. Peel and cut to
thickness. EPA does not regulate mica, it is harmless.

Pete