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Temperature build up

Triangle die 80 silica-2nd 2+1

ºC

The work input by the extruder was enough to raise the stock temperature from the set point of 100C. The reductions in temperature, pressure, and torque allows for much better efficiency at the extruder. Although in our lab extruder we were able to process in excess of 150 C, concern about the onset of rubber curing (scorch) will limit the upper temperature where the materials can be processed. The change in temperature is in a similar direction to the heat rise and temperature control in the Banbury mixer during compounding.

STP0260

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