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Long Carbon fiber Polymer

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Copolymer Long carbon fiber Reinforced Polypropylene PP

/LFT-G PP Long Carbon Fiber Reinforced Compounds 12mm

LFT-G PP Long Carbon Fiber Reinforced Compounds 12mm

CPP-LCF (Continuous Carbon Fiber Reinforced Polypropylene) combines the lightweight advantages of polypropylene with the exceptional strength and stiffness of continuous carbon fiber reinforcement. It offers excellent mechanical performance, dimensional stability, and weight reduction potential, making it ideal for high-performance automotive and industrial applications.
  • item no.:

    PP-NA-LCF30
  • Payment:

    T/T or L/C (other payment ways also can be di
  • product origin:

    Xiamen, China
  • Color:

    Original color (also can be customized)
  • shipping port:

    Xiamen, China
  • Lead Time:

    7-15 days after shipment
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Product Detail

PP-LCF (Long Carbon Fiber Reinforced Polypropylene) combines the lightweight properties of polypropylene with the high strength and stiffness of long carbon fiber reinforcement. It offers excellent mechanical performance, dimensional stability and weight reduction potential, making it suitable for automotive, industrial and structural applications.

01. What Are Thermoplastic Composites?

Thermoplastic composites combine a polymer matrix with reinforcing fibers to create materials with enhanced mechanical properties. Their overall performance depends on the resin type, fiber type, fiber content, fiber length and fiber orientation.

Matrix Resin

Thermoplastic resins such as PP, PA6, PA66, PPA, PPS and PEEK provide the base material, determining chemical resistance, thermal properties and processing characteristics.

Reinforcing Fiber

Glass fibers and carbon fibers improve mechanical properties, including tensile strength, stiffness and dimensional stability.

Fiber Structure

Fibers can be arranged as continuous filaments, long fibers, short fibers or woven fabrics. Different structures provide different mechanical performance.

What Is a Thermoplastic Prepreg?

A thermoplastic prepreg is an intermediate composite material produced by impregnating continuous reinforcing fibers or fabrics with a thermoplastic resin. It is commonly supplied in tape or sheet form and used in processes such as thermoforming and automated composite manufacturing.

Note: Thermoplastic prepreg tapes and LFT injection molding pellets are different product forms with different manufacturing processes and applications.

02. PP-LCF Long Carbon Fiber Composites

PP-LCF is a long carbon fiber reinforced polypropylene composite. By incorporating long carbon fibers into a polypropylene matrix, the material achieves improved stiffness, strength and structural performance while maintaining the lightweight advantages of PP.

pp cf pellets

Long Fiber Reinforced Thermoplastics (LFT) are thermoplastic composites reinforced with relatively long fibers. Common matrix resins include PP, PA6, PA66, PBT, PPS and other engineering plastics.

Among these materials, PP-LGF and PP-LCF are widely considered for lightweight structural applications. The choice between glass fiber and carbon fiber depends on the required stiffness, strength, weight, electrical properties and material cost.

Lightweight Design

Carbon fiber reinforcement provides high specific stiffness and strength, supporting lightweight component design.

High Rigidity

Long carbon fibers improve the stiffness of the polypropylene matrix and help support structural applications.

Dimensional Stability

Fiber reinforcement can help reduce shrinkage and warpage, depending on component design and processing conditions.

03. LCF vs. SCF: What Is the Difference?

Long carbon fiber (LCF) and short carbon fiber (SCF) composites differ mainly in fiber length and reinforcement structure. These differences influence mechanical performance, processing behavior and final component properties.

the difference of LCF SCF
Comparison SCF (Short Carbon Fiber) LCF (Long Carbon Fiber)
Typical Pellet Length Approx. 2–4 mm Approx. 6–25 mm
Fiber Structure Short, discontinuous fibers Long, discontinuous fibers
Mechanical Performance Suitable for general reinforcement Potential for higher stiffness and impact performance
Typical Applications General engineering components Structural and lightweight components

Important: The values above are typical pellet-length ranges, not guaranteed residual fiber lengths in molded parts. Actual fiber length after injection molding depends on screw design, processing conditions, gate design and mold structure.

04. Applications of Long Fiber Reinforced Thermoplastics

LFT materials are widely used in automotive and industrial applications where lightweight construction, mechanical strength and structural reliability are important. PP-LGF and PP-LCF can serve different performance requirements depending on the design.

Application of pp carbon fiber

Automotive Applications

Front-End Modules
Battery Trays and Housings
Seat Frames and Structures
Instrument Panel Supports
Underbody Components
Engine Compartment Components
Spare Tire Trays
Structural Brackets

Other Industrial Applications

Power Tool Housings
Industrial Equipment Components
Electrical and Electronic Components
Gardening Equipment

Material Substitution Example

Replacing PA6-GF30 with PP-LGF50 can be considered in suitable applications after technical evaluation.

Potential benefits include:

01. Lower moisture absorption compared with PA6-based materials.

02. Improved dimensional stability under humid conditions.

03. Reduced sensitivity of mechanical properties to moisture absorption.

Note: Material substitution requires validation of mechanical performance, operating temperature, component design and processing conditions.

05. Related Long Carbon Fiber Materials

LFT-G offers long carbon fiber reinforced thermoplastic compounds based on different polymer matrices to meet diverse mechanical, thermal and application requirements.

06. Frequently Asked Questions

Q. Are there any special processing requirements for long carbon fiber injection molding?

A. Yes. Injection molding with long carbon fiber reinforced compounds requires appropriate screw and barrel configurations, nozzle design, gate dimensions and molding parameters. Processing conditions should be optimized to minimize fiber breakage and maintain fiber length in the finished component. Mold design and machine configuration should be evaluated before mass production.

Q. What are the main advantages of long carbon fiber materials?

A. Long carbon fiber reinforced thermoplastics offer high specific stiffness, excellent strength-to-weight performance and potential for improved impact resistance. Depending on fiber content and formulation, they can also provide electrical conductivity and electrostatic dissipation. These properties make them attractive alternatives to metal in selected lightweight structural applications.

Q. Can long carbon fiber reinforced thermoplastics be recycled?

A. Yes. Thermoplastic composites can generally be recycled through appropriate reprocessing methods. However, repeated processing may reduce fiber length and affect mechanical properties. Recycling methods and the performance of recycled material should be evaluated according to the intended application.

Q. How do I choose between PP-LGF and PP-LCF?

A. PP-LGF is generally a cost-effective choice for applications requiring good stiffness and structural performance. PP-LCF is suitable when higher specific stiffness, lower weight or carbon-fiber-related electrical properties are required. The final selection depends on mechanical requirements, operating conditions, component design and overall project cost.

Long carbon fiber manufacturer
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Carbon Fiber Reinforced Plastic Carbon fiber reinforced plastic composite (CFRP) is a lightweight, strong material that can be used to make a wide range of products used in everyday life. It is a term used to describe fiber reinforced composites with carbon fiber as the main structural component. Note that the "P" in CFRP can also stand for "plastic" rather than "polymer." Typically, CFRP composites use thermosetting resins such as epoxy, polyester, or vinyl esters. Despite the use of thermoplastic resins in CFRP composites, "carbon fiber reinforced thermoplastic composites" often uses its own acronym, CFRTP composites. LFT-G focuses on LFT&LFRT. Long Glass Fiber Series (LGF) & Long Carbon Fiber Series. Compared with Short Carbon Fiber, Long Carbon Fiber has more excellent performance in mechanical properties. It is  more suitable for large products and structural parts. It has 1-3 times higher (toughness) than Short Carbon Fiber, and the tensile strength(strength and rigidity) is increased by 0.5-1 times. Properties of CFRP composites Composites reinforced with carbon fiber are different from other FRP composites that use traditional materials such as glass fiber or arylon fiber. Advantages of CFRP composites include: Light weight: Conventional fiberglass reinforced composites using continuous fiberglass and 70% fiberglass (glass weight/gross weight) typically have a density of 0.065 lb/cubic inch. A CFRP composite with the same 70% fiber weight might typically have a density of 0.055 lb/cubic inch. Increased strength: Carbon fiber composites not only weigh less, but CFRP composites are stronger and stiffer per unit weight. This is true when comparing carbon fiber composites to glass fibers, and even more so when comparing metals. For example, when comparing steel to CFRP composites, a good rule of thumb is that a carbon fiber structure of the same strength typically weighs 1/5 as steel. You can imagine why car companies are looking into using carbon fiber instead of steel. When comparing CFRP composites to aluminum (one of the lightest metals used), the standard assumption is that an aluminum structure of the same strength might weigh 1.5 times as much as a carbon fiber structure. Of course, there are many variables that can change this comparison. Grades and qualities of materials may vary, and for composites, the manufacturing process, fiber structure and quality need to be considered. Disadvantages of CFRP composites Cost: As amazing as the material is, there's a reason carbon fiber can't be used in every situation. Currently, the cost of CFRP composites is too high in many cases. Depending on current market conditions (supply and demand), the type of carbon fiber (aerospace grade versus commercial grade), and bundle size, carbon fiber prices can vary significantly. On a per-pound basis, carbon fiber can cost anywhere from five to 25 times more than fiberglass. The difference is even greater when comparing steel with CFRP composites. Electrical conductivity: This can be a plus or minus for carbon fiber composites, depending on the application. Carbon fiber is extremely conductive, while glass fiber is insulating. Many applications use fiberglass instead of carbon fiber or metal, strictly because of electrical conductivity. For example, in the utility industry, many products require the use of fiberglass. This is one of the reasons why the ladder uses fiberglass as the ladder rail. The chance of electric shock is much lower if the fiberglass ladder comes into contact with the power cord. The situation with CFRP ladders is different. Although the cost of CFRP composites remains high, new technological advances in manufacturing are continuing to provide more cost effective products. Application of PP-LCF Long Carbon Fiber as the reinforcement material of CFRP, its proportion is only 1/4 of iron, specific strength is 10 times that of iron, elastic modulus is 7 times that of iron, carbon fiber excellent physical properties are played in various fields from sports goods to aircraft. Details of product Number Length Color Sample Package Delivery time Port of Loading Freight PP-NA-LCF30 5-25mm Original color (can be customized) Available 20kg a bag 7-15days after shipment Xiamen Port Depending on your destination Related products                        PA6-LCF                                            PA66-LCF About Xiamen LFT Composite plastic Co., Ltd. A new material enterprise that develops and produces its own brand of LFT long glass fiber and long carbon fiber. It fills the blank of domestic high-end long carbon fiber LFT materials, and is more customized and shortened the production cycle compared with foreign companies. In addition, our company has sales and service offices in Zhejiang, Jiangsu, Guangzhou, Chongqing, etc. ...
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