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Long Carbon fiber Polymer


Long carbon fiber Reinforced Polyphenylene sulfide PPS

/Polyphenyl sulfide pps filled 30% LCF flame retardant grade UL-94 heat resistance

Polyphenyl sulfide pps filled 30% LCF flame retardant grade UL-94 heat resistance

Polyphenylene sulfide is a new functional engineering plastic.
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  • product origin:

    Xiamen, China
  • Color:

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

    Xiamen, China
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Product Detail

PPS Information

The relative density of polyphenylene sulfide is 1.36, the resin is white powder or particle, hard and brittle, high crystallinity, strong melting viscosity.

Polyphenylene sulfide has two types of molecular mass, low molecular mass and high molecular mass.

Due to the high melt flow value, it is difficult to direct molding, so in addition to spraying, other methods in the molding should go through a certain degree of crosslinking, and a certain amount of glass fiber or inorganic filler used for injection molding, molding and extrusion.

Polymer quality polyphenylene sulfide does not need crosslinking, can be directly used in the processing of plastic products.

PPS has a symmetrical rigid backbone and is part of a crystalline polymer consisting of repeated parapplacement of benzene rings and sulfur atoms.

PPS is a special engineering plastic with high performance, high melting point up to 280℃, which can replace metal. It is located at the top of the polymer performance pyramid.

Therefore, based on the excellent performance of PPS resin, make it meet the requirements of harsh engineering plastic projects for materials.

PPS Characteristics

(1) High performance PPS resin is a kind of crystalline polymer with high hardness. Its crystal content is about 65%. The crystallization speed is fast, the fluidity is good, the forming cycle is short.

(2) Excellent heat resistance. The melting point can reach 275~291℃, the thermal deformation temperature is 135℃, and the thermal deformation temperature of glass fiber after strengthening can reach 260℃. In air and nitrogen, the initial and weakening temperature of polyphenylene sulfide is about 400 ° C, decomposing in air at 700 ° C, and still retaining 40% of its weight in inert gases at 1000 ° C. Long-term use temperature of 200~240℃, gas barrier thermal resistance and long-term continuous use of thermal stability is better than all the current engineering plastics.

(3) It has good mechanical properties. It has extremely high rigidity, high surface hardness, and has excellent creep resistance, fatigue resistance and wear resistance. Its wear resistance can be greatly improved by filling fluorine resin and carbon fiber lubricant.

(4) Excellent corrosion resistance and chemical resistance. In addition to strong oxidizing acids (such as concentrated sulfuric acid, nitric acid, etc.), but also can withstand the corrosion of other acids, bases and salts, insoluble in any organic solvent below 200℃, its corrosion resistance is almost equivalent to PTFE. In addition, PPS also has good weather and radiation resistance, and its performance will not be affected by multiple strong ultraviolet and Y-ray irradiation and neutron radiation.

(5) with small water absorption (only 0.008%) and oil absorption rate. Smaller molding shrinkage and linear expansion coefficient, the product size stability, small deformation, even in some wet, oily corrosive gas environment, still can maintain dimensional stability, so it can be used for precision molding.

(6) Excellent electrical performance. High performance PPS resin at high temperature, high humidity volume resistivity changes very little, its dielectric constant with temperature and frequency changes very little, coupled with low content of ionic impurities, impregnated in 260℃ solder tank, so enough to withstand the surface welding of electronic components of the thermal impact, suitable for the electrical properties of the products have high requirements. It has high resistivity and low dielectric properties.

(7) High performance PPS resin melt viscosity is very low, good fluidity. It is easy to contact with glass fiber wetting, so it is easy to fill. The glass fiber or glass fibre-inorganic filler prepared by it is used to enhance the injection molding granular material, which has high impact resistance, bending resistance and ductility.

(8) High performance PPS resin on glass, aluminum, stainless steel bonding strength is very high. The bonding strength of glass is even greater than the bonding force of glass.

PPS Application

As engineering plastics, PPS molding materials have many excellent properties, can replace metal, heat curing resin, etc., so it is widely used in various fields.

(1) The application of automobile parts

Automotive parts are the most widely used field of PPS in the future. As shown in Figure 2, PPS is used in electric drive unit components. Because PPS in addition to outstanding continuous heat resistance, drug resistance (gasoline, oil, etc.) and other high performance, but also because it can improve production efficiency (injection molding), so that the cost is greatly reduced.

In addition to replacing the metal parts and phenolic resins used in the past, the application of PPS to new purpose components is accelerating. Especially in the engine related machinery as the center of the driving class, braking class, fuel class, lighting class, cooling class parts and control parts of these machines.

(2) Application on residential facilities /OA/ precision equipment

Super hard PPS(40%GF) are commonly used in water-related equipment such as water heater in residential equipment. This is because "super hard PPS(40%GF)" in addition to the heat resistance of PPS, but also has the characteristics of pressure resistance and good toughness. It is gradually replacing metal materials and deformed PPE materials represented by brass.

The "modified PPS(30%GF)" is suitable for precision equipment parts due to its low crystallinity and dimensional accuracy. At the same time, because of its excellent low friction, low wear performance, suitable for sliding characteristics have special needs of the project use, such as gear, bearings, etc.

In the laser copier, printer and other purposes, the use of PPS heat resistant fixed performance, but also conducive to other special types, such as gear or bearing around sliding, conductive, etc.

(3) Applications in electrical/electronic components

In addition to high heat resistance, precision formability and dimensional stability in the SMT process, PPS also has the high flame retardancy of UL-94V-0 without adding flame retardants. For electrical/electronic components represented by connectors, these properties can be called the best forming materials. Mainly use with PPS general characteristics and appropriate formability of glass fiber reinforced/non-reinforced crosslinked PPS and linear PPS low burr type, suitable for sophisticated molding products, such as connectors, etc.

In addition, glass/mineral filled reinforced crosslinked PPS and linear PPS are suitable for optical oscilloscopes where dimensional stability and rigidity are required. PPS, which can be formed by ultra-low pressure, is suitable for sealing of microcoils and electronic components.

(4) Applications in mechanical industry and chemical industry

In recent years, PPS through chemical modification and glass fiber, mineral filler or carbon fiber mixed into composite materials made of finished products in machinery industry and chemical industry is also widely used.

(5) Applications in the field of lithium batteries

Lithium battery refers to the battery containing lithium in the electrochemical system. Due to the relatively active chemical properties of lithium metal, the environmental requirements for its processing are very high, which is also the reason why lithium battery has not been applied on a large scale. With the advent of the information age, micro-electronic technology characterized by small size, light weight, high reliability and fast working speed is developing and growing. At the same time, the requirements for batteries are also increasing. Therefore, lithium batteries have entered the stage of widespread application. And polyphenylene sulfide (PPS) has excellent heat resistance, insulation, electrical properties and other characteristics, and lithium battery field on the material requirements, is the "intimate partner" of lithium battery.

(6) Application in the field of environmental protection

The main emission source of waste gas and dust is steel plant, waste incinerator, thermal power plant, cement plant, carbon black plant and other fields, cement plant can use room temperature dust bag dust removal, but like steel plant, incinerator, electric heating plant produced in these fields of waste gas, dust with high temperature, humidity, corrosion and other problems, which requires dust removal materials with strong high temperature resistance, corrosion resistance and other properties.

Fiber grade PPS has high thermal stability, can be used continuously at 200~240℃, even after being placed at 260℃ for 1000h can still maintain 60% strength. The corrosion resistance of PPS is similar to that of polytetrafluoroethylene, which is said to be the "king of plastics". In terms of flame retardant, PPS fiber products are non-flammable and can reach the UL-94V-0 standard without adding flame retardant. Therefore, the application of PPS fiber products in the above fields can greatly improve the service life of dust removal equipment. Among them, the most widely used product is dust filter bag.


Modal MOQ Sample Package
PPA-NA-LCF30 20KG Available 20KG/Bag
Port of Loading Transport time Color Length
Xiamen Port 7-15 days after shipment Customized 5~25mm

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PPS-LCF materials Polyphenylene sulfide (PPS) is a linear semi-crystalline polymer with benzene ring and sulfur atoms composed of molecular main chain, its melting point is about 280℃, and has many excellent characteristics, with a series of excellent properties, such as excellent mechanical properties, chemical stability, solvent resistance, flame retardant, and has good processing and molding properties. As a kind of special engineering plastic with the largest output at present, the market application foundation is mature. In addition, in the molding process, pultrusion molding, injection molding, molding and other methods can be processed. By reinforcing PPS resin with carbon fiber, excellent mechanical properties and heat resistance composites can be prepared. At present, PPS fiber reinforced composites have been widely used in the aerospace field. Tencate Company of the United States uses PPS resin of Fortron brand of Ticona company of Germany to produce carbon fiber /PPS composites based on fabric hot pressing molding method. The material is used in Airbus A340 and A380 aircraft wing main edge, A340 aircraft aileron structure, Fokker50 aircraft landing gear door stress rib and girder, G650 business aircraft tail, rudder and elevator components. Advantages Performance characteristics: ◊ receiving aerospace OEM specifications and receiving certification; ◊ excellent cost performance; ◊ Working temperature exceeding Tg according to the design requirements on parts; ◊ laminates can protect against lightning strike and electrochemical corrosion. ◊ inherent flame retardant ◊ excellent chemical stability and solvent resistance; ◊ Long-term storage at ambient temperature. Main applications: ◊ Major and minor aircraft structures: ◊ wing leading edge, engine tower, body splint structure, etc. ◊ aircraft interior structure: ◊ seat structure parts, trunk, etc ◊ On specific requirements on corrosion resistance, dimensional stability, and shock absorption on high-end industrial areas Application Production process Our team and customers Come and contact us!
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PPS Special engineering plastics are engineering plastics with higher overall performance and long-term use temperature above 150℃, PPS is one of them. The carbon fiber reinforced special engineering composites formed by carbon fiber as the reinforcement and these special engineering plastics as the matrix have excellent mechanical properties, wear resistance and high temperature resistance, which can be used in aerospace, marine or medical fields, and in some aspects show more desirable application advantages than thermosetting resins or even metal materials. PPS-LCF Polyphenylene sulfide PPS resin strength and hardness are relatively high, good mechanical properties, adapt to a variety of molding and processing methods, you can achieve secondary precision molding, the dimensional stability of the product is better. Its moisture absorption rate of only 0.03%, low density, melt temperature Tm of 285 ℃, the glass transition temperature Tg of 90 ℃, thermal stability is very good, in the air state, to reach 430 ℃ -460 ℃ before decomposition, high flame retardant grade, 200 ℃ insoluble in most organic solvents, excellent electrical insulation. As a special engineering plastics, PPS advantages are outstanding, but defects also exist, for example, because of the large number of benzene ring to make its impact resistance and elongation is not good enough, but through the carbon fiber reinforced way, can further improve the performance of the material strength and thermal stability, so as to better show the value of the application of the material. Through the carbon fiber reinforced intervention, changing the original insulating properties of PPS into a conductive, anti-static properties, polyphenylene sulfide PPS toughness and strength can be substantially increased and improved, becoming one of the most commonly used composite materials in the aerospace field. It is used in aircraft landing gear, wings, hatches, fuel tank port covers, J-shaped nose cone, cabin interior trim and other components, not only to help increase the impact resistance, high temperature and corrosion resistance of these parts, more through the reduction in mass, to enhance the aircraft load efficiency and reduce fuel consumption. Compared with metal, this composite material has the advantages of low cost and easy processing, the cost can be reduced by 20-50 percent. High bonding must be maintained between the carbon fiber reinforcement and the PPS resin matrix. When the product is subjected to stress, this high bonding helps the interface to transfer the external load to the fibers effectively, which can effectively prevent cracks from debonding between the interfaces, in addition to enhancing the mechanical properties of the composite. To make the resin matrix and carbon fiber reinforcement between the formation of high bonding, we must make the molten state of PPS resin and carbon fiber reinforcement in full contact, full impregnation, so that the fiber body in the case of uniform dispersion to achieve good impregnation effect. Production process Application of PPS-LCF Xiamen LFT composite plastic Co., Ltd We will offer you: 1. LFT & LFRT material technical parameters and leading edge design 2. Mold front design and recommendations 3. Provide technical support such as injection molding and extrusion molding. About us
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PPS Information Polyphenylene sulfide (PPS) is not enhanced before modification, its disadvantages are brittle, poor toughness, low impact strength, after filling glass fiber, carbon fiber and other enhancements modified to overcome the above shortcomings, to obtain very good overall performance. PPS filling Long carbon fiber In the modified engineering plastics industry, long fiber reinforced composites are composites made from long carbon fibers, long glass fibers and polymer matrix through a series of special modification methods. The most important feature of long fiber composites is that they have superior performance that the original materials do not have. If we classify them according to the length of the reinforcing materials added, they can be divided into: long fiber, short fiber and continuous fiber composites. Long carbon fiber composites are one kind of long fiber reinforced composites, which are a new fiber material with high strength and high modulus. It is a new material with excellent mechanical properties and many special functions. Corrosion resistance: LCF carbon fiber composite materials have good corrosion resistance and can adapt to the harsh working environment. UV resistance: the ability to resist UV is strong, and the products are less damaged by UV. Abrasion and impact resistance: the advantage of comparing with general materials is more obvious. Low density: lower density than many metal materials, can achieve the purpose of light weight. Other properties: such as reducing warpage, improving rigidity, impact modification, increasing toughness, electrical conductivity, etc. LCF carbon fiber composites have higher strength, higher rigidity, lower weight, and excellent electrical conductivity compared with glass fiber. PPS TDS for reference PPS Application Other products you can also contact us for more technical advice. Q&A 1. Are carbon fiber composite products very expensive? The price of carbon fiber composite products is closely related to the price of raw materials, the level of technology and the number of products. The higher the performance of the raw material, the more expensive it is, such as the carbon fiber PEEK thermoplastic material used in orthopedics. Of course, the more complex the manufacturing process, the greater the working time and workload, and the increased production costs. However, the larger the order quantity, the lower the cost per product. In the long run, the superior performance of carbon fiber will extend the life of the product, reduce the number of maintenance, and is also very beneficial to reduce the cost of use. 2. Are carbon fiber composite products toxic? Carbon fiber composites are made of carbon fiber filaments mixed with ceramics, resins, metals and other substrates, and are generally not toxic. For example, the above-mentioned PEEK material is made of food-grade resin, which is very compatible with the human body and is not only harmless to humans, but also becomes a more ideal material for orthopedic surgery because of its high strength and elastic modulus close to the bone cortex. Carbon fiber medical bed plate, will be in daily contact with many patients body, will not have adverse effects on the human body, on the contrary, for the accuracy of medical diagnosis and a great help. 3. What is the difference between thermosetting carbon fiber composites and thermoplastic carbon fiber composites? Thermoset carbon fiber composites favor the role of curing agent in curing and molding. While thermoplastic carbon fiber composite products mainly rely on cooling down to achieve the shaping. Thermoplastic carbon fiber composites are not as popular as thermoset carbon fiber composites, mainly because they are expensive and are generally used in high-end industries. Thermoset carbon fiber composites are difficult to recycle due to the limitation of the resin matrix itself, and are generally not considered; thermoplastic carbon fiber composites can be recycled, and can be made twice as long as they are heated to a certain temperature. About us We will offer you: 1. LFT & LFRT material technical parameters and leading edge design 2. Mold front design and recommendations 3. Provide technical support such as injection molding and extrusion molding

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