[News & Trends]:The difference between polypropylene powder and granular materials

Polypropylene powder and pellets are common plastic raw materials in modern industry, and they have some differences in production processes, properties, and application fields. This article will compare these two materials to help everyone better understand their characteristics and uses


The production processes of polypropylene powder and pellets are different. Polypropylene powder is usually obtained through low-pressure or high-pressure polymerization, while polypropylene pellets are made through melt extrusion process. Due to different production processes, there are also differences in the morphology of polypropylene powder and pellets. Polypropylene powder appears as a white or slightly yellow powder, while polypropylene granules are granular


There are also some differences in physical properties between polypropylene powder and pellets. Polypropylene powder has high fluidity and uniform particle size distribution, and can be used in processing techniques such as molding, extrusion, and blow molding. Polypropylene pellets, on the other hand, exhibit high heat resistance and impact resistance, and are widely used in the fields of injection molded products and plastic film making. In addition, due to the large surface area and relatively strong moisture absorption of polypropylene powder, drying treatment is required


The application fields of polypropylene powder and granular materials are also different. Due to its suitability for various processing techniques, polypropylene powder is widely used in the production of plastic products, such as various household appliances, beverage packaging boxes, etc. Polypropylene pellets have a wide range of applications in the fields of injection molded products and plastic films, such as food packaging bags, water pipes, etc


In summary, there are some differences between polypropylene powder and granular materials in terms of production process, physical properties, and application fields. Understanding these differences can help us better choose and apply these two materials, improve production efficiency and product quality. I hope this article can bring some help and inspiration to readers.