Compositech Cores are 60% E-glass. Their web address is
http://www.compositechltd.com and has some of the info your looking for.
-----Original Message-----
From: Jan Vercammen [SMTP:[log in to unmask]]
Sent: Thursday, October 23, 1997 9:32 AM
To: [log in to unmask]
Subject: [TN] dielectric data E-glass fiber
hello,
I am interested in the dielectric constant and dielectic loss
factor of
E-glass type fibers in function of frequency. I have searched
the web and
literature for data on this subject, but I have only found
conflicting
data.
My interest is purely for +50MHz frequencies, the E-glass has a
chemical
composition as defined in IPC-EG-140: B2O3 (5-10%), CaO
(16-25%), Al2O3 (12-16%,
SiO2 (52-56%), MgO (<5%),Na+K2 (0-2%), TiO2 (0-0.8%), Fe2O3
(<0.4%), F2 (<1%)
Your help is kindly appreciated. Data, references, brochures,
..., everything
is welcome.
Jan Vercammen
Agfa
[log in to unmask]
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