<DIV>I do apologies for everyone as I did not realize that glass is already defined in GateMaterialdb file.</DIV> <DIV> </DIV> <DIV>Sorry for any inconvenient that i may cause.</DIV> <DIV> </DIV> <DIV>Margaret<BR><BR><B><I>Margaret Morris <drpetuk@yahoo.com></I></B> wrote:</DIV> <BLOCKQUOTE class=replbq style="PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: #1010ff 2px solid"> <DIV>Many thanks <FONT face=Verdana>Stephan</FONT><BR></DIV> <DIV>I understand that but i want perspex definition with density of 2.5 gm/cm3.</DIV> <DIV> </DIV> <DIV>Can anyone help please?</DIV> <DIV> </DIV> <DIV><FONT face=Verdana>Margaret</FONT><BR><BR><B><I>Stephan Schneider <sts@rheinahrcampus.de></I></B> wrote:</DIV> <BLOCKQUOTE class=replbq style="PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: #1010ff 2px solid"><FONT face="Verdana, Helvetica, Arial"><SPAN style="FONT-SIZE: 12px">Hi,<BR>Perspex also known as PMMA is almost similar to the
definition of plastic in the GateMaterials.db. The molecular structure is (C5-O2-H8)<BR> <BR>Plastic: d=1.18 g/cm3 ; n=3; state=solid<BR> +el: name=Carbon ; n=5<BR> +el: name=Hydrogen ; n=8<BR> +el: name=Oxygen ; n=2<BR><BR>In the literature the density is defined as 1.19g/cm3, so you could either use plastic or add a new material. <BR><BR>Cheers, Stephan<BR><BR>On 04.01.2008 17:12 Uhr, "Margaret Morris" <drpetuk@yahoo.com> wrote:<BR><BR></SPAN></FONT> <BLOCKQUOTE><FONT face="Verdana, Helvetica, Arial"><SPAN style="FONT-SIZE: 12px">Hi All,<BR> <BR> <BR> <BR>has anyone tried to define Perspex material? I will appreciate if someone can send to me the definition of perspex.<BR> <BR> <BR> <BR>Margaret<BR> <BR> <HR align=center width="100%" SIZE=1> Looking
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