Glass reinforced PP Polypropylene materials polymer long glass fiber 30% injection for car parts,washing machine parts.

PP (Polypropylene) Reinforced with Long Glass Fiber Polypropylene (PP) is one of the most widely used general-purpose thermoplastics, known for its low cost, excellent chemical resistance, and good processability. However, its inherent limitations—such as low strength, low heat resistance, poor stiffness, and weak low-temperature impact performance—restrict its use in structural applications. By introducing reinforcing materials such as glass fibers, the mechanical properties of PP can be significantly enhanced. When the fiber length exceeds the critical reinforcement size, the material performance improves dramatically. Long Glass Fiber Reinforced PP (LFT-PP) is a high-performance thermoplastic composite, typically supplied in pellet form with a length of 12–25 mm and a diameter of about 3 mm. The glass fibers inside maintain nearly the same length as the pellets, ensuring superior load transfer and mechanical strength. Fiber content can range from 20% to 70%, and colors can be customized according to customer requirements. Advantages of PP-LGF Long fiber length significantly improves mechanical strength and stiffness High impact resistance, suitable for automotive and furniture applications Excellent creep resistance and dimensional stability for precision parts Superior fatigue resistance under long-term loading Stable performance in high temperature and humid environments Reduced fiber breakage during molding due to optimized processing flow LGF vs SGF Compared with short glass fiber (SGF) reinforced materials, long glass fiber (LGF) composites provide: Higher mechanical strength and toughness Better load-bearing capacity Improved fatigue and creep resistance More stable performance in structural applications Applications Automotive Industry: front-end modules, door modules, gearshift systems, electronic pedals, instrument panel frames, cooling fan systems, battery trays, bumper brackets, underbody shields, sunroof frames, etc. Home Appliance Industry: washing machine drums, structural brackets, air conditioner fan systems, replacing metal or short glass fiber reinforced materials. Electrical & Electronics: connectors, relay bases, coil frames, microwave transformer housings, solenoid valve components, scanner parts, etc. Other Applications: power tools, pump housings, bicycle frames, ski components, helmet structures, safety footwear parts, replacing PA, PPO and metal materials. Processing Certification About Us Xiamen LFT Composite Plastic Co., Ltd. was established in 2009 and is a global supplier specializing in long fiber reinforced thermoplastic materials. We integrate R&D, production, and global marketing. Our products have passed ISO 9001 and IATF 16949 certifications and are widely used in automotive, aerospace, military, new energy, medical devices, wind energy, sports equipment, and industrial applications.

PP long glass fiber reinforced composite is a high-performance thermoplastic material made by compounding polypropylene (PP) with continuous long glass fibers. This material offers a significant improvement in mechanical properties compared to standard PP.

• Lightweight alternative to metal and reinforced PA • Excellent impact strength and fatigue resistance • Ideal for structural automotive and industrial components PP Long Glass Fiber Reinforced (LFT-PP) Polypropylene (PP) is one of the most widely used general-purpose plastics due to its large production volume, competitive cost, excellent chemical resistance, and good processing performance. However, conventional PP materials have limitations such as relatively low strength, low heat resistance, limited stiffness, and poor low-temperature impact resistance. To overcome these limitations, reinforcing fillers such as glass fiber or calcium carbonate are added to PP. When the reinforcing fibers exceed a critical length, the mechanical properties of the composite can be significantly improved. Long Glass Fiber Reinforced Polypropylene (LFT-PP) is a high-performance thermoplastic composite material. The pellets are typically cylindrical with a length of 12–25 mm and a diameter of approximately 3 mm. The glass fibers inside the pellets maintain the same length as the pellet itself, which greatly enhances structural performance. The glass fiber content usually ranges from 20% to 70%, and the material color can be customized according to customer requirements. Advantages of PP-LGF 1. Long fiber structure significantly improves mechanical strength and stiffness. 2. High impact resistance, ideal for automotive and structural applications. 3. Excellent creep resistance and dimensional stability for precision parts. 4. Outstanding fatigue resistance, suitable for long-term load-bearing components. 5. Stable performance under high temperature and high humidity environments. 6. Reduced fiber breakage during molding, allowing better retention of fiber length and performance. Long Glass Fiber vs Short Glass Fiber Typical Applications Automotive Industry: front-end modules, door modules, gearshift components, electronic accelerator pedals, instrument panel carriers, cooling fan frames, battery trays, bumper brackets, underbody shields, and sunroof frames. LFT-PP is often used to replace reinforced PA or metal components. Home Appliances: washing machine drums, triangular brackets, air-conditioner fan components, and other structural parts, replacing short-fiber reinforced PA, ABS, or metal materials. Electronics & Electrical: high-precision connectors, ignition system components, coil bobbins, relay bases, transformer coil frames, electrical connectors, solenoid valve housings, and scanner components. Other Industries: power tool housings, pump housings, water meter housings, impellers, bicycle frames, skis, locomotive pedals, safety helmets, and protective equipment. Production Process Certifications About Xiamen LFT Composite Plastic Co., Ltd. Xiamen LFT Composite Plastic Co., Ltd., established in 2009, is a global supplier specializing in long fiber reinforced thermoplastic materials. The company integrates research & development, production, and global marketing under its proprietary brand. Our products have obtained ISO9001 and IATF16949 certifications and multiple national patents and trademarks. LFT materials are widely used in automotive components, aerospace, military equipment, new energy systems, medical devices, wind power equipment, and sports products.

PP glass fiber compound is a combination of PP resin, glass fiber and other specific additives PP glass fiber compound is made of PP base resin, glass fiber, and other additives. It gives the final products increased flexural modulus and tensile strength. With those high-performance properties, glass fiber-reinforced polypropylene delivers superior strength for furniture, electric appliances, and automobile applications.

Polypropylene, also known as PP, is a polyolefin or saturated polymer. It is a low-density thermoplastic with good resistance to heat. Other characteristics of PP include: chemical resistance, elasticity, toughness, fatigue resistance, and electrical insulation capability. 

In the manufacturing industry, in order to match some output products that require higher quality than usual, manufacturers will mix into PP plastic with glass fiber. These two different forms of glass enhancement are inherently tough and durable, so when mixed, glass-filled polypropylene materials become lighter and stronger.

Long glass fiber reinforced PP offers excellent impact resistance, lightweight strength, and dimensional stability, making it ideal for structural and automotive parts. The integration of long glass fibers greatly improves mechanical performance compared to standard polypropylene.

The modified polypropylene material reinforced by glass fiber has a series of advantages, such as light weight, high modulus, high specific strength, low coefficient of thermal expansion, high temperature resistance, heat shock resistance, corrosion resistance, good vibration absorption, etc., and can be applied to auto parts such as automobile sub-instrument assembly.

Polypropylene, also known as PP or polypropene, is a polyolefin or saturated polymer. It is a low-density thermoplastic with good resistance to heat. Other characteristics of PP include: chemical resistance, elasticity, toughness, fatigue resistance, and electrical insulation capability. 

HPP is Homopolymer polypropylene. These processes produce homopolymers for several industries including: automotive, packing, medical, consumer goods, and food containers. Within these industries, the homopolymers' corrosion resistance makes them ideal for containers, tanks, and pipes. Its dimensional stability allows it to be used for gears and bearings. 

Polypropylene, also known as PP or polypropene, is a polyolefin or saturated polymer. It is a low-density thermoplastic with good resistance to heat. Other characteristics of PP include: chemical resistance, elasticity, toughness, fatigue resistance, and electrical insulation capability.