Product Description: BT automatic temperature barrier extruder barrel while utilizing three out of the same or different material of plastic raw materials: high and low pressure polyethylene, polypropylene, polyvinyl chloride. The machine adopts frequency control, can accurately adjust the thickness of each layer bottle. With blowing machine, manufacture hollow plastic products. BT automatic temperature barrier extruder adopts frequency control, intelligent temperature control, solid state relays, the unit reliable, stable performance, and this unit can be added automatically for network devices. Pesticide bottles, which are suitable for the production of hollow products corrosion requirements.