PP-LGF compounds Long glass fiber reinforced polypropylene composites belong to a kind of long glass fiber reinforced thermoplastics, the main preparation materials are continuous long glass fiber and polypropylene. and polypropylene. Long glass fiber reinforced polypropylene composites have longer glass fiber length, high strength, low density, high impact performance, its rigidity, strength, creep and other properties better than conventional fiber reinforced polypropylene composites. The role of glass fiber reinforced materials in glass fiber reinforced polypropylene composites is to carry loads, and the specific load-bearing properties are related to the proportion of glass fiber reinforced materials in the material, length, orientation and other factors. In the preparation process, it is found that, under the condition of unchanged preparation technology, the increase of the proportion of glass fiber reinforced material in the material will shorten the length of the material, and the bending property, tensile property, and strength of the material will be increased; when the proportion reaches 50%, the various mechanical properties of the material will reach the best. PP-LGF application In automotive engineering, instrument panels, front-end components and underbody elements are increasingly made of glass-fiber-reinforced polypropylene. Polypropylene is characterized by low density, low material costs and ease of reuse, and is therefore gradually replacing engineering plastics and metals in these applications. Glass fiber reinforced composites can significantly enhance the durability, rigidity, toughness, creep, etc. of the original material, the current glass fiber reinforced composites are increasingly widely used in automotive parts.LGF polypropylene composites can solve the traditional short glass fiber reinforced materials are easy to warp, poor low-temperature toughness, fatigue resistance is generally shortcomings such as LGF polypropylene composites, LGF polypropylene composites in the glass fiber retention length is longer, with a high specific strength, LGF polypropylene composites have longer retained glass fiber length, high specific strength, high specific modulus, strong impact resistance, dimensional stability and low warpage, etc. Therefore, LGF polypropylene materials are used to replace parts produced by traditional PA-SGF, PBT-SGF and other materials. Further weight and cost reductions are realized. LGF polypropylene can be used for engine hoods, front-end modules, instrument panel frames, tailgates, battery trays, and door liner modules. Datasheet for reference Details Grade Fiber specification Mian characteristics Applications General grade 30%-60% Chemical coupling,high strength Automobile parts, washing machine parts, water pump parts, water treatment parts, furniture, etc. Heat-resistance grade 30%-60% High strength, long-term heat aging resistance Automobile front and rear end modules, water tank frames, battery brackets, hood covers, sunroof frames, etc. UV-resistance grade 30%-60% High strength, UV resistance, long term heat aging resistance, good product appearance Car (truck) door handles, mirror systems, battery housings, truck (SUV) exterior pedals, etc. Toughten resistance grade 30%-60% Ultra-high impact strength (at normal and low temperatures) Power tools, pump housings, pipe fittings, etc. Other materials you may wonder                          PA6-LGF                                   TPU-LGF                                  PA12-LGF Frequently asked questions Q. Does long glass fiber and long carbon fiber injection have special requirements for injection molding machines and molds? A. There are certainly requirements. Especially from the product design structure, as well as the injection molding machine screw nozzle and mold structure injection molding process must consider the requirements of long fiber. Q. Using a long fiber reinforced thermoplastic material, will it block the die hole due to the long length of the fiber or not? A. When using long glass fiber or long carbon fiber, it is necessary to evaluate whether the product is suitable for LFT-G. If the product is too small or the dispensing is not suitable for long fiber materials. The long fiber itself has requirements for the mold nozzle. Q. How to choose the reinforcement method and length of the material when using long fiber reinforced thermoplastic material? A. The selection of materials depend on the requirements of the products. It is necessary to assess how much the content is enhanced and how much length is more appropriate, which are depending on the performance requirements of the products.

PP-LCF composites Polypropylene is a low-cost, excellent performance, widely used polymer materials, through the carbon fiber reinforced, can improve the strength, heat distortion temperature and dimensional stability of polypropylene materials, expanding the application of polypropylene materials, widely used in electronic and electrical appliances, automotive, construction and other fields. Especially in the automotive field, with the development of new energy vehicles and in the trend of automotive lightweight, carbon fiber reinforced materials in the automotive field is more and more widely used. Characteristics of long carbon fiber reinforced polypropylene materials Higher mechanical properties Simple production, easy molding, low warpage Lower density, lightweight, can replace steel with plastic Application The modified polypropylene material reinforced by carbon fiber has a series of advantages such as light weight, high modulus, high specific strength, low coefficient of thermal expansion, high temperature resistance, thermal shock resistance, corrosion resistance, good vibration absorption and so on, and it can be applied to automobile sub-instrument assembly and other automobile parts. Car Tool Kit Automotive front-end components More application fields, please contact us for more technical advice. Frequently asked questions 1. What are the types of thermoplastic carbon fiber composites? Carbon fiber thermoplastic composites are composites with carbon fiber as reinforcing material and thermoplastic resin as matrix. From the reinforcement of carbon fiber, it can be divided into long-cut carbon fiber (LCF)-reinforced thermoplastic composites, short-cut carbon fiber (SCF)-reinforced thermoplastic composites and continuous carbon fiber (CCF)-reinforced thermoplastic composites. Long-cut carbon fiber and short-cut carbon fiber mainly refers to the application length of carbon fiber materials, there is no strict fixed distinction between the two, generally between a few millimeters to a few centimeters, the more common specifications are 6mm, 12mm, 20mm, 30mm, 50mm. Carbon fiber thermoplastic composites can also be classified according to the thermoplastic resin, there are many common thermoplastic resins, such as PE, PP, PVC, etc., but the thermoplastic resin composites reinforced with carbon fibers are mostly used in aerospace, precision equipment, and other demanding working environments, so the carbon fiber thermoplastic composites are more commonly used in the form of polyetheretherketone (PEEK), PPS, polyimide ( Therefore, carbon fiber thermoplastic composites more often use polyether ether ketone (PEEK), PPS, polyimide (PI), polyetherimide (PAI) and other high-end thermoplastic resins as the matrix, to achieve the optimization of the material performance through the way of "strong alliance". 2. How do thermoplastic carbon fiber composites achieve low cost and environmental protection? Thermoplastic carbon fiber composites are used to make parts for high-end machinery, and they have excellent machinability, vacuum forming, stamping mold plasticity and bending processability, etc. Moreover, as long as the material reaches a certain temperature again, it can be remolded, which is recyclable and environmentally friendly in terms of the characteristics of the material itself. For example, Teijin Japan has been able to design a recycling process in the process according to the special needs, and the punched thermoplastic carbon fiber composite material trimmings are shredded, injection molded, and made into recycled materials, which can be used to make small products or injection molded nuts and studs on the carbon fiber prototype parts. This method can reduce the loss of raw materials to a greater extent, improve the use of thermoplastic carbon fiber composite materials, reduce the overall cost, so as to achieve the purpose of environmental protection. Production process of thermoplastic carbon fiber products In addition, thermoplastic carbon fiber composites, compared with thermoset carbon fiber composites, can shorten the molding cycle time due to its special process characteristics, which can further cut down the production cost in terms of production efficiency. 3. Are thermoplastic carbon fiber composites only suitable for injection molding? From the process point of view, injection molding and compression molding compared to a higher degree of automation, the raw material does not contact with the outside world, so the product appearance quality is guaranteed, there will be no black spots, impurities, uneven color and other issues, the mechanical properties of the product, dimensional stability and precision is relatively higher. At present, Toray, Japan, these carbon fiber giants in the application of carbon fiber reinforced thermoplastic composite materials, the main use of injection molding method, and this method is suitable for the production of complex shaped parts and mass production. Com...