PRODUCT DESCRIPTION With continuous pre-expanders, the raw material feeding into the pre-expansion tank as well as the foaming process run "continuously" Features 1.Resin Hopper Capacity for different capacities 2.Fluid Bed Dryer with heater 3.Transfer Blower for bead 4.Resin Filling Blower 5.Steam chamber : Two options: ①Inner is stainless steel, outer is color steel ② Both inner and outer are 304 stainless steel 6.User friendly control panel 7.Simple and reliable operation. 8. Aluminium plug type steam distributor 9.Safety protection. 10. Lower cost than Batch pre-expander 11. Can be With second pre-expanding device (optional)