I know that Clark-Schwebel makes 1500 class.  I couldn't find anything about
1506 from either Clark-Schwebel or BGF literature I have, so I can't comment
on how it's differrent than 1500.

BGF has a chart of glass descriptions.

http://www.bgf.com/chart.htm?CategoryID=11&MinR=1000&MaxR=3000

> ----------
> From:         Shirley Xiao[SMTP:[log in to unmask]]
> Reply To:     TechNet E-Mail Forum.;Shirley Xiao
> Sent:         Sunday, May 14, 2000 9:46 PM
> To:   [log in to unmask]
> Subject:      [TN] Glass Fabric 1500 & 1506
>
>  Is glass fabric 1500 same with 1506?
>  Who is the supplier of these glass fabric?
>
>  Thanks in advance!
>  Shirley Xiao
>
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