... rotary diameter is 65mm ZLL 65 Vacuum pug mill, this small size machine is designed for customers' laboratories, and also for extrusion ... of small products.Its Production capacity is 0.04-0.05 t ... .the Extrusion spiral rotary diameter of De-airing Pug Mill size can be 65mm,350mm,500mm,623mm,630mm,800mm,1000mm,1100mm1 ...