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This article outlines the five functional zones critical to twin-screw extruder screw configuration: Feeding, Melting, Kneading, Venting, and Homogenization. By strategically selecting screw elements based on material-specific requirements, manufacturers can significantly enhance the quality of plastic pellets. Nanjing Haisi Extrusion provides professional insights into optimizing these zones to eliminate common granulation issues, such as poor dispersion and material degradation, ensuring a high-performance, closed-loop recycling and compounding process.
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The screw is the heart of a plastic pelletizing machine. Explore the design, applications, pros, and cons of the three most important extruder screws (Three-Zone, Venting, and Barrier) for high-quality plastic granulation.
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This article explores the critical role of screw configuration in the pelletizing process of fiber-reinforced Nylon (PA). By balancing fiber length preservation with uniform dispersion, manufacturers can produce superior industrial pellets. Nanjing Haisi Extrusion details the technical requirements for L/D ratios, functional zoning, and side-feeding strategies to eliminate common granulation issues like fiber breakage and poor homogenization, ensuring a high-value output for the global recycling and compounding markets.
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New Year’s Day Holiday Notice 2026
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2023 Chinese New Year
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2022 Chinese New Year Holiday Notice
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Nanjing Haisi Extrusion Equipment Co.,Ltd. thanks all the new and old customers for your continuous support and trust.
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The latest 2019 product catalog has been printed.Warmly welcome to consult.
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We will have a three-day holiday from May 1st to May 3rd, and go back to work on May 4th.
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We will have a two-day holiday on April 5th and April 6th, and go back to work on April 7th.
