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<DIV><FONT face=Arial size=2>Gray</FONT></DIV>
<DIV><FONT face=Arial size=2>All I know for sure, at this point in time, is the
grain structure is too large in the IG. I returned it to CST and
it <U>still</U> cost me $95 for two way frt and packaging.</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2>Northern Fibre Glass Sales' web site shows the HF
grade having very fine cell structure. The chart does not mention cell structure
on the other grades. It's possible there is an intermediate structure that would
be ok - but I havent been able to find out. No one knows anything and time is
running.</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2>NFGS is getting me a quote from ROHM. I'm
holding my breath. In all of the samples I have, circa 1988, there
is no mention of grade, except for high temp. The samples have
a georgeous grain structure and fairly high opacity. Things must have
changed !! If I knew German it's probably availiable from a Euro hobby
shop. A lot of those folks use
it.
Nat</FONT></DIV>
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<DIV style="FONT: 10pt arial">----- Original Message ----- </DIV>
<DIV
style="BACKGROUND: #e4e4e4; FONT: 10pt arial; font-color: black"><B>From:</B>
<A title=gfowler@raytheon.com href="mailto:gfowler@raytheon.com">Gray E
Fowler</A> </DIV>
<DIV style="FONT: 10pt arial"><B>To:</B> <A
title=nsrca-discussion@lists.nsrca.org
href="mailto:nsrca-discussion@lists.nsrca.org">NSRCA Mailing List</A> </DIV>
<DIV style="FONT: 10pt arial"><B>Sent:</B> Thursday, October 19, 2006 3:20
PM</DIV>
<DIV style="FONT: 10pt arial"><B>Subject:</B> Re: [NSRCA-discussion]
Rohacell</DIV>
<DIV><BR></DIV><BR><FONT face=sans-serif size=2>Nat</FONT> <BR><BR><FONT
face=sans-serif size=2>Why do you want HF? That is for antennas/radomes only
because when hot it does not outgass things that can corrode copper and such.
IG means industrial grade, which is standard. An HF order would be shipped
from Germany and you pay for it, and one sheet is a minumum, and that sheet is
4' X 10'. That one sheet of HF will most likely cost you $1000.</FONT>
<BR><FONT face=sans-serif size=2><BR><BR><BR>Gray Fowler<BR>Senior Principal
Chemical Engineer<BR>Radome and Composites Engineering<BR>Raytheon</FONT>
<BR><BR><BR>
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<TD width="40%"><FONT face=sans-serif size=1><B>"Nat Penton"
<natpenton@centurytel.net></B> </FONT><BR><FONT face=sans-serif
size=1>Sent by: nsrca-discussion-bounces@lists.nsrca.org</FONT>
<P><FONT face=sans-serif size=1>10/19/2006 10:06 AM</FONT>
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<DIV align=center><FONT face=sans-serif size=1>Please respond
to<BR>NSRCA Mailing List
<nsrca-discussion@lists.nsrca.org></FONT></DIV></TR></TBODY></TABLE><BR></P>
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<DIV align=right><FONT face=sans-serif size=1>To</FONT></DIV>
<TD><FONT face=sans-serif size=1>"NSRCA Mailing List"
<nsrca-discussion@lists.nsrca.org></FONT>
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<DIV align=right><FONT face=sans-serif size=1>cc</FONT></DIV>
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<TD>
<DIV align=right><FONT face=sans-serif size=1>Subject</FONT></DIV>
<TD><FONT face=sans-serif size=1>[NSRCA-discussion]
Rohacell</FONT></TR></TBODY></TABLE><BR>
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<TD></TR></TBODY></TABLE><BR></TR></TBODY></TABLE><BR><BR><BR><FONT face=Arial
size=2>I'm looking for Rohacell 51, grade HF. CST only has the IG, industrial
grade. Need 2' x 4' ( or 4' x 4' )x 2mm sheets. Any help appreciated.</FONT>
<BR><FONT face=Arial size=2>
</FONT><A
href="mailto:natpenton@centurytel.net"><FONT face=Arial color=blue
size=2><U>natpenton@centurytel.net</U></FONT></A><FONT size=2><TT>Internal
Virus Database is out-of-date.<BR>Checked by AVG Free Edition.<BR>Version:
7.1.407 / Virus Database: 268.13.1/466 - Release Date:
10/7/2006<BR>_______________________________________________<BR>NSRCA-discussion
mailing
list<BR>NSRCA-discussion@lists.nsrca.org<BR>http://lists.nsrca.org/mailman/listinfo/nsrca-discussion</TT></FONT>
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<P></P>Internal Virus Database is out-of-date.<BR>Checked by AVG Free
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