The barrel can be opened in minutes. This makes product changeover, maintenance and research fast and easy. Both screws and barrels are designed using the building block principle. The screw configuration, barrel setup, feeding and venting, screen changing, way of pelletizing and process requirements, in consideration of the machine's versatility in other general applications. Application: Various plastic inorganic filler, polymer blending (plastic alloy), plastic coloring, ect Various engineering plastic reinforcement of glass fiber, flame-retartant pellets Various antibacterial, insulated, toughening materials for specific uses Light/biology degradable film materials, amylum degradable plastics and multi-functional anti-fog film materials, etc. Specific material for automobiles and household appliance and cable materials, etc Themoplastic elastomers, such as TPR, TPE, and SBS, etc…