■ The batch pre-expander machine chamber inside of the pre-expander is made by stainless steel with good shape and long life.
■ All process can be automaticly
■ The pre-expander can pre-expand once or twice to enable the EPS density to be ideal state.
■ The batch pre-expander machine includes main expansion machine, screw conveyer, fluidized bed drier, blower to convey the expanded material to silos.
