Product News

• Thermoplastic Polyurethane (TPU): The Innovative "Soft Tissue" of Humanoid Robots

  Thermoplastic Polyurethane (TPU) is becoming the essential "soft tissue" of humanoid robots, serving critical roles in protective cladding, bionic muscles, electronic skin, foot cushioning, and joint sealing. With its superior elasticity and processability, TPU is a high-value alternative to more expensive polymers for mass-market robotics. Nanjing Haisi Extrusion provides the high-precision twin-screw reactive extrusion technology necessary to produce the specialized TPU grades that power these robotic innovations, ensuring durability and sensory accuracy in the next generation of AI-driven machines.

  Products Release April 23, 2026
• How Global Wars And Geopolitical Tensions Impact The Plastics Industry: Why Recycling Pelletizing Is The Ultimate Buffer

  Global wars and the resulting volatility in crude oil prices have a profound impact on the plastics industry, driving up the costs of virgin PE, PP, and PVC while causing severe international supply chain disruptions. This article analyzes how these macroeconomic pressures compress profit margins and force manufacturers to adapt. It highlights how transitioning to sustainable alternatives—using advanced plastic recycling pelletizing machines to process recycled flakes—builds vital supply chain resilience. Nanjing Haisi Extrusion stands at the forefront, providing the twin-screw granulation technology necessary to mitigate raw material risks and ensure stable, cost-effective production regardless of geopolitical climate.

  Products Release April 20, 2026
• Twin-Screw VS. Single-Screw: Choosing The Right "Heart" for Your PVC And Compounding Pelletizing Line

  This technical article explores the mechanical and operational differences between single-screw and twin-screw extruders in the context of plastic pelletizing. It highlights how co-rotating twin-screw extruders provide superior mixing and self-cleaning for masterbatches and compounding, while counter-rotating twin-screw extruders offer the critical low-shear environment necessary for stable PVC granulation. By understanding these mechanical distinctions, manufacturers can optimize their pelletizing lines for higher output, minimal material degradation, and superior pellet quality.

  Products Release April 16, 2026
• Optimizing Compounding Equipment And Processes for High-Quality Elastomer Pelletizing

  This article provides a comprehensive technical analysis of the compounding and mixing processes essential for high-quality elastomer pelletizing. By examining the distinct roles of Internal Mixers and Two-Roll Mills, we detail the optimal mixing sequences for various polymers including NR, NBR, EPDM, and specialty elastomers like FKM and Silicone. Understanding the critical balance between high-shear dispersion and thermal stability (preventing scorch) is the foundation of professional granulation. Nanjing Haisi Extrusion emphasizes that a stable, homogenized compound is the prerequisite for producing consistent, defect-free pellets in any downstream pelletizing line.

  Products Release April 13, 2026
• The Ultimate Maintenance Guide for Plastic Recycling Pelletizers: Maximizing Lifespan And Pellet Quality

  Consistent maintenance of a plastic pelletizing machine is critical for ensuring high-quality output and preventing costly downtime in the recycling industry. This comprehensive guide by Nanjing Haisi Extrusion outlines the five essential pillars of extruder care: daily operational checks, periodic system overhauls, wear-part management (such as screws and cutters), safety protocols, and thermal process optimization. By adhering to these standard operating procedures, manufacturers can maximize the lifespan of their granulation lines while consistently producing premium, defect-free recycled plastic pellets.

  Products Release April 09, 2026
• Mastering The 5 Critical Principles of Twin-Screw Extruder Screw Configuration for Plastic Pelletizing

  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.

  Products Release April 02, 2026
• The 3 Most Important Extruder Screws for Plastic Pelletizing: Design, Applications, Pros & Cons

  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.

  Products Release March 30, 2026
• Optimizing Screw Configurations for Nylon Fiber Reinforcement: Solving Fiber Damage And Dispersion in Pelletizing

  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.

  Products Release March 26, 2026
• Twin Screw Extruder Setup for PA6 + 30% Glass Fiber Compounding

  This article discusses the key factors affecting glass fiber reinforced plastic compounding in a twin screw extruder. It highlights the importance of proper screw configuration, L/D ratio, and the use of a side feeder to ensure efficient dispersion of glass fibers and stable processing. Optimizing these parameters can improve product quality, enhance mechanical properties, and increase the overall efficiency of the plastic pelletizing process.

  Products Release March 23, 2026
• Key Precautions in Plastic Pellet Production: Raw Material Handling, Extrusion Process Control, And Quality Management

  The article outlines the key considerations in plastic pellet production, focusing on four critical aspects: raw material preparation, extrusion process control, equipment operation, and quality management. Proper material sorting and drying help prevent contamination and defects, while precise control of temperature, screw speed, and feeding rate ensures stable plasticization and uniform pellet quality. Regular equipment inspection, correct cooling methods, and proper cutter adjustments are essential for efficient and safe production. Additionally, strict quality testing and workplace safety measures help maintain consistent pellet performance and reliable manufacturing operations.

  Products Release March 19, 2026