4. Properties of expanded polystyrene
4.1 Physical characteristics
EPS foams feature a rigid structure with closed microcells:
for PSE-M, the size of these cells is usually between 60 and 200 µm (figure 19 );
for PSE-E, particle size varies between 150 and 500 µm.
The EPS-M structure includes inter-bead welds, which is not the case for EPS-E.
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Properties of expanded polystyrene
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Syndicat National des Plastiques Alvéolaires – SNPA [email protected]http://www.snpa.fr
...Economic data
The global EPS market totalled 3.75 million tonnes in 2004, of which 46% was used in packaging.
The breakdown of the insulation and packaging markets varies from one continent to another. These are entirely representative of building traditions (whether or not to insulate) and the importance of industries using EPS packaging. In Japan, for example, a leader in the electronics sector and the world's...
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