Polymer Autoclaving (EPP)

Trying to produce pre-expanded PP beads using an autoclave (pressure of 600 PSI; Blowing Agent = Co2 ; Dispersing agent = h20; Temperature = 150 C).

Constant stirring @ 100 RPM ; Saturation Time = 1 Hr....

Have been having problems getting the beads to be released from the bottom of the aut

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