12mm Long Fiber Material Applied to Injection

Jun 30, 2025

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Injection Molding: 12 mm Long Fiber Material

Long-fiber materials, also known as long fiber reinforced materials, are composite materials in which longer fibers (typically ranging in length from 5 to 25 millimeters) are added to the plastic matrix. These fibers are typically made of high-strength materials such as glass fibers, carbon fibers or natural fibers. By combining with thermoplastic or thermosetting plastic matrices, they significantly enhance the mechanical properties and durability of the materials. Long-fiber materials have been widely used in injection molding due to their unique performance advantages and have gradually become the preferred materials for many high-demand industrial applications.

The long-fiber materials of LFT-G® are mainly divided into two types: long glass fiber and long carbon fiber, and have occupied a certain position in the market. And has very rich experience, whether in the automotive field or other areas.

 

The Advantages of Long Fiber Pellets Applied in Injection Molding

Long Glass Fiber PP Pellets

The reason long fiber pellets are mainly applied in injection molding is closely related to their multiple advantages in process and performance. Firstly, long-fiber materials can better maintain the length and uniform distribution of fibers during the injection molding process, thereby forming a more continuous and effective reinforcing network in the final product. This structure enables the material to perform exceptionally well in terms of impact resistance, tensile strength and bending resistance, far exceeding short-fiber materials or unreinforced plastics. Secondly, the efficiency and flexibility of the injection molding process provide ideal conditions for the application of long-fiber materials. Injection molding can quickly produce components with complex shapes and precise dimensions. The addition of long-fiber materials further enhances the strength and durability of these components, enabling them to meet the high-performance demands of fields such as automobiles, aerospace, and electronic devices. In addition, long-fiber materials have good fluidity during the injection molding process, can fill complex mold structures, and at the same time reduce warping and shrinkage problems after molding, thereby improving the dimensional stability and surface quality of the product.

The Application Scope of Long Fiber Composites

The application scope of long-fiber materials in injection molding is extremely wide, almost covering all fields that require high strength, lightweight, and durability.

LFT-G® PP LGF40 for High-Performance Automotive Gear Shifter Parts

In the automotive industry, long-fiber materials are used to manufacture structural and exterior components such as bumpers, instrument panels, and door panels. These components not only need to withstand mechanical stress during daily use, but also need to have lightweight characteristics to reduce fuel consumption and emissions. The application of long-fiber materials enables automotive parts to maintain excellent impact resistance and rigidity while reducing weight.

In the field of electronics and electrical appliances, long-fiber materials are often used to produce components such as casings, connectors, and brackets. These components need to have good dimensional stability, heat resistance and electromagnetic shielding performance, and long-fiber materials can meet these requirements while providing sufficient strength and durability.

In addition, long-fiber materials are also widely used in fields such as sports equipment, medical devices and industrial equipment. For instance, for components in sports equipment such as golf clubs and bicycle frames that require high strength and lightweight, long-fiber materials can offer an ideal performance combination. The casings of surgical instruments and diagnostic equipment in medical devices require materials with high rigidity, chemical corrosion resistance and biocompatibility. Long-fiber materials can also meet the requirements. The manufacturing of long-fiber materials can be seen in various fields.

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Conform to Future Development

The successful application of long fiber materials in injection molding is also inseparable from their environmental protection and sustainability advantages. With the global emphasis on environmental protection, long-fiber materials, due to their recallability and lightweight characteristics, have become an important choice for reducing carbon emissions and resource consumption. For instance, in the automotive industry, using long-fiber materials to replace traditional metal components can significantly reduce vehicle weight, thereby lowering fuel consumption and exhaust emissions. In addition, the production process of long-fiber materials is relatively energy-efficient, and some materials (such as natural fiber reinforced materials) are derived from renewable resources, further enhancing their sustainability.

  What is LFT PP Material   LFRT: long fiber reinforced thermoplastic material

Conclusion

Overall, long fiber compound resin have become significant materials in the injection molding field due to their outstanding advantages in mechanical properties, process adaptability and application diversity. Although the proportion and scope of application of long glass fiber materials and long carbon fiber materials are different, they still promote the upward development of product quality. From automobiles to electronic appliances, from sports equipment to medical devices, the application of long-fiber materials is constantly expanding, providing high-performance, lightweight and sustainable solutions for all industries. With the further development of materials science and injection molding technology, long-fiber materials will still demonstrate broader application prospects and innovative potential in the future.

 

LFT-G® has rich experience in manufacturing long fiber materials and has also gained a certain understanding of some basic application fields. As a manufacturer, if you need to know more information and data about the materials, you can contact our materials experts. Communicate and exchange ideas together to promote better development. Click below,

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