powder coating twin screw extruder
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Good Wholesale Vendors China Tsx Series Twin Screw Extruder for Powder Coatings Extrusion
convey pp: positive pressure conveying, which is defined as to convey the material continuously when the whole piping system pressure is higher than local air pressure. use roots blower as power, high-pressure air mix with material to make material flow moving as per blowing direction.less energy consumption compared with convey np.
