Wrong
They are not fiberglass and they also do not make you itch.
They are in fact' Polypropylene and polyester-

"Lew Hodgett" wrote in message
ink.net...
Twilk wrote:
You don't need fiberglass.
The fabrics work a lot better with epoxy.
snip

Most general purpose fabrics are in fact fiber glass, and that includes
ccloth and tape.

Weights are expressed in ounces/square yard.

Most tape is about 6 oz.

HTH

Lew