LFT-G® LGF40%-PP Polypropylene Natural Grade
Product name: LFT-G® LGF40%-PP long Glass Fiber Reinforced Thermoplastic polyurethane Composite For inject bumper
Product Model: ● LFT-G® PP-NA-NG04
Product Length: ● 5-25 mm. General length 10-12 mm.
Resin type: ● Polypropylene
Fiber type : ● Long Glass Fiber
Fiber content: ● 40%
Color : ● black, nature color
material properties: ● Injection molding, natural Grade, good mechanical properties,for Inject automotive bumper
LFT-G® LGF40%-PP is a 40% long glass fiber reinforced Polypropylene (PP) thermoplastic composite manufactured using a pultrusion process that melt impregnates the fiber with the matrix resin to maximize performance. PP-LGF40% has high mechanical properties, excellent chemical resistance, flexibility, ease of processing, and wide range of applications make it a popular choice among manufacturers.

LFT-G® PP LGF composites have also been shown to offer excellent dimensional stability, low weight, and good surface finish. Additionally, they exhibit exceptional corrosion resistance, making them ideal for use in the automotive industry.
LFT-G® LGF40%-PP Polypropylene (TDS) Natural Grade Technical Data sheet (TDS)


LFT-G® PP LGF (long glass fiber reinforced polypropylene) composites are increasingly being used to manufacture bumpers for automobiles. This is a result of the increasingly stringent regulations on fuel efficiency and safety in the automotive industry.
Long glass fibers are commonly used in the production of composites, since they provide greater strength and stiffness compared to other types of reinforcements. In particular, LFT-G® PP LGF composites are preferred over short glass fiber reinforced polypropylene (PPSGF) composites due to their low cost and high impact resistance.
Why use long fiber PP for inject bumper?
The use of LFT-G® PP LGF composites in bumper production can be attributed to several factors. For one, they offer significant improvements in terms of energy absorption, which is a critical factor when it comes to safety in the event of a crash. These composites can also be easily molded into complex shapes, allowing for the production of bumpers that are both aesthetically pleasing and aerodynamic.
The use of LFT-G® PP LGF composites in the production of bumpers also contributes to weight reduction, which is essential in the automotive industry due to the increasing emphasis on fuel economy and reduced emissions. Given that bumpers account for a considerable percentage of a vehicle's weight, the reduction of their weight can lead to an overall reduction in the weight of the vehicle.

LFT long fiber PP material applying for automotive bumper parts component
Another advantage of LFT-G® PP LGF composites is their ability to provide greater resistance to impact forces, specifically in low-velocity impacts. This is particularly essential for small vehicles such as hatchbacks and compact cars, which are more susceptible to impact forces compared to larger vehicles.
The use of LFT-G® PP LGF composites in bumper production has also led to reduced costs in terms of materials, manufacturing costs, and repairs. The low cost of these composites, coupled with their ease of processing, allows for a more efficient and cost-effective production process.
In terms of repairs, LFT-G® PP LGF composites are much easier to repair compared to metal bumpers that often require extensive repairs or outright replacement. This means that repairs can be carried out quickly, resulting in reduced downtime for the vehicle owner.
Some way of long fiber PP inject auto bumper
However, despite the various advantages of LFT-G® PP LGF composites, there are also some drawbacks to their use in bumper production. For instance, they are not suitable for use in high-temperature environments due to the risk of degradation. Additionally, they are more prone to surface wear, which can result in the development of visible cracks and other damage on the bumper.
To overcome these limitations, manufacturers can incorporate additives such as UV stabilizers, flame retardants, or lubricants. These additives can enhance the properties of LFT-G® PP LGF composites and make them more suitable for specific applications.

The use of LFT-G® PP LGF composites in bumper production has become an increasingly attractive option for manufacturers due to their many advantages. From their low cost and ease of processing to their high impact resistance and low weight, LFT-G® PP LGF composites offer numerous benefits that make them ideal for use in the automotive industry. As the automotive industry continues to evolve and regulations regarding safety and fuel efficiency become increasingly stringent, the use of LFT-G® PP LGF composites in bumper production is expected to become even more popular.
Contact us if you need LFT-G® PP LGF material for inject automotive bumper parts.

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