Products Release

• The “Longevity” Secret of Barrels And Screws: How To Resist The Deadly Damage of Corrosive And High-Temperature Resins

  This article explores how to extend the lifespan of barrels and screws in plastic processing equipment by addressing two major threats: corrosive resins (like PVC and fluoropolymers) and high-temperature wear. It introduces effective strategies such as using corrosion-resistant materials, matching thermal expansion coefficients, and applying anti-wear coatings like tungsten alloy and Colmonoy. It also emphasizes regular maintenance, including clearance checks and timely repairs, as key to preventing damage. A case study demonstrates how these measures significantly improved equipment durability and reduced operational costs.

  Products Release May 22, 2025
• Key Advantages of Kneading Machines in High-Loading Pigment Processing

  This article highlights the key advantages of kneading machines in processing high-loading pigments such as carbon black and high-oil-absorption colorants. Compared to twin screw extruders, kneading machines offer superior pigment wetting, better dispersion uniformity, and greater process flexibility due to their adjustable low-shear mixing capabilities. They are especially effective in applications requiring extended mixing times and can be combined with twin screw extruders for optimized results. Kneading machines are widely used in producing high-end masterbatches, conductive materials, and specialty coatings, offering enhanced product quality and energy efficiency.

  Products Release May 15, 2025
• How To Solve Pellet Return And Secondary Cutting in Underwater Pelletizers: 5 Key Troubleshooting Ideas

  This article analyzes the issue of pellet return and secondary cutting in underwater pelletizers, which affects pellet quality by increasing irregular shapes and fines. It identifies five key factors contributing to the problem: (1) excessive backflow of overflow and spray water, (2) inadequate spray flow beneath the water knife holder, (3) improper water temperature and flow rate, (4) incorrect blade back rake angle, and (5) excessive spacing between front and rear traction rollers. Solutions include optimizing backflow control, ensuring proper spray direction and pressure, adjusting water temperature seasonally, maintaining blade geometry, and setting appropriate roller gaps to improve cutting efficiency and product quality.

  Products Release May 12, 2025
• Analysis of Causes of Strand Breakage in Plastic Pelletizing

  This article analyzes the common causes of strand breakage in plastic pelletizing. It identifies external and internal impurities, poor plasticization, raw material inconsistencies, venting issues, and improper cooling or traction mismatch as key factors. Practical solutions are suggested, such as optimizing temperature, filtration, raw material compatibility, and venting efficiency to prevent strand breakage and ensure smooth pellet production.

  Products Release May 08, 2025
• Three Key Formulation Tips To Prevent Oil Bleeding in TPE Pellets During Hot Summer Temperatures

  This article outlines three key strategies to prevent oil bleeding in TPE (Thermoplastic Elastomer) products during high summer temperatures: selecting high-viscosity, high-flash-point white oil and optimizing the oil-filling process; adding surface-treated nano-silica to enhance molecular adsorption; and choosing high-molecular-weight SEBS or SEBS-SEPS blends to improve oil-locking performance. These methods help maintain product appearance, improve user experience, and ensure stable material performance under heat.

  Products Release May 05, 2025
• A Complete Guide To Pelletizer Rotating Blades: Tooth Profile Types, Lifespan Analysis, And Maintenance Tips You Must Know

  This article provides a comprehensive guide to the rotating blades used in pelletizers, covering their material types, tooth profile classifications, lifespan analysis, and proper maintenance methods. It explains the differences between blades used for underwater strand pelletizing and dry cutting, details key parameters of blade teeth, identifies common sharpening mistakes, and offers best practices for extending blade life and maintaining cutting efficiency. Proper full-profile grinding and maintaining original blade angles are emphasized to ensure optimal pellet production and blade durability.

  Products Release May 01, 2025
• TPE Pelletizing: Causes And Solutions for Melt Surging

  This article discusses the phenomenon of melt surging during TPE pelletizing, where molten material abnormally and excessively exits the die, causing unstable extrusion and affecting product quality. Key causes include improper temperature control, high screw speed, and unstable raw material quality. Solutions involve optimizing temperature and screw speed, maintaining equipment, ensuring raw material consistency, and following proper operating procedures.

  Products Release April 21, 2025
• What Are The Differences in Process And Production Efficiency for Different Models of Twin-Screw Extruders?

  This article outlines the differences in processes and production efficiency among various models of twin-screw extruders, classified by screw rotation direction, screw structure, intermeshing degree, purpose, and specification. It discusses the specific applications, characteristics, and production efficiencies of co-rotating and counter-rotating models, parallel and conical designs, and general-purpose versus specialized extruders. The article also highlights the factors affecting production efficiency, such as screw design, rotation speed, material properties, and process parameters, providing a comprehensive guide for selecting the right twin-screw extruder based on material, process, and production scale.

  Products Release April 17, 2025
• Extruder Screw Maintenance Made Easy

  This article provides a comprehensive overview of screw maintenance for extruders. It covers key topics such as screw cleaning methods, including the use of purging compounds and HDPE as a cost-effective alternative, as well as the causes and effects of screw wear. It also explains the procedures for removing screws, the materials used in screw manufacturing, and how to select the right materials based on processing needs. Additionally, a Q&A section addresses common concerns, such as increasing production output, screw design, and wear prevention. This guide is valuable for anyone involved in plastic extrusion or recycling operations.

  Products Release April 10, 2025
• Key Factors in Extruder Screw Performance: Length, Thickness, Material, And Shear

  This article provides an overview of key factors influencing extruder screw performance, including the effects of screw length-to-diameter (L/D) ratio, screw diameter (thickness), and material selection. It also explains how shear forces generated by the screw impact material plasticization and overall extrusion efficiency. Understanding these elements is crucial for optimizing extruder design and ensuring stable, high-quality production.

  Products Release April 07, 2025