<html> <head> <style> .hmmessage P { margin:0px; padding:0px } body.hmmessage { FONT-SIZE: 9pt; FONT-FAMILY:Tahoma } </style> </head> <body class='hmmessage'> dear Gater:<br><br>I found that in GateMaterials.db and in the GATER Usres Guide, Aluminium has density of d=1.350g/cm3.<br><br>But I google in internet, d=2.7g/cm3.  (eg. in wik: http://en.wikipedia.org/wiki/Aluminium)<br><br>Do you think may be it is typing error or did I missunderstand something?<br><br>Thank you!<br><br>Zhi LI<br><br>Vrije Universiteit Brussel<br><h3 class="r"><a href="http://www.vub.ac.be/" class="l" onmousedown="return clk(this.href,'','','res','1','')"><em><em><br></em></em></a></h3><br></body> </html>