[Gate-users] Perspex definition

Stephan Schneider sts at rheinahrcampus.de
Fri Jan 4 22:14:25 CET 2008

Perspex also known as PMMA is almost similar to the definition of plastic in
the GateMaterials.db. The molecular structure is (C5-O2-H8)
Plastic:  d=1.18 g/cm3 ; n=3; state=solid
        +el: name=Carbon ; n=5
        +el: name=Hydrogen ; n=8
        +el: name=Oxygen ; n=2

In the literature the density is defined as 1.19g/cm3, so you could either
use plastic or add a new material.

Cheers, Stephan

On 04.01.2008 17:12 Uhr, "Margaret Morris" <drpetuk at yahoo.com> wrote:

> Hi All,
> has anyone tried to define Perspex material? I will appreciate if someone can
> send to me the definition of perspex.
> Margaret
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