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EPP Autoclave

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ajxxx

ajxxx

Materials
May 2, 2010
29
CA
i am a bit confused...i have seen that EPP pellets are immersed in water and CO2 is purged at around 150 C & saturated for 1-2 hrs for expansion.....co2 is the blowing agent....why are the pellets immersed in water? I mean water is not the BA? what is the use of h20?
 
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