Nylon 6,6, also called Polyamide 66, is a more crystalline version of nylon 6. It is also referred to as polyamide 66 or PA 66. It has improved mechanical properties due to its more ordered molecular structure. Nylon 66 for machining has improved temperature resistance and lower rates of water absorption when compared to standard nylon 6.

Nylon 6 is a suitable material for injection molding.

Product number: PA12-NA-LGF Fiber specification: 20%-60% Product feature: High strength, High toughness and durability Product application: Suitable for automotive, sports parts, solar energy, photovoltaic industry and other industries.

What is PA66? PA66 (Polyamide 66), also known as Nylon 66, is a semi-crystalline thermoplastic widely used in automotive, electrical, electronic, and industrial applications. It offers excellent mechanical strength, wear resistance, and thermal stability. What is PA66-LGF? PA66-LGF (Long Glass Fiber Reinforced Nylon 66) is a modified engineering plastic made by reinforcing PA66 with long glass fibers. This significantly improves mechanical performance, dimensional stability, and heat resistance. Compared with unfilled PA66, LGF-reinforced PA66 offers: Higher strength and stiffness Improved dimensional stability (low warpage and shrinkage) Better fatigue and creep resistance Reduced water absorption impact on properties Material Characteristics High mechanical strength and rigidity Excellent heat resistance and wear resistance Good chemical resistance (oils, fuels, greases) Low friction and self-lubricating properties Stable performance under humid and variable environments Applications 1. Automotive Industry Used in engine covers, intake systems, cooling components, interior and structural parts such as dashboards, door handles, and brackets. 2. Electrical & Electronics Applied in connectors, switches, insulation parts, housings, and electrical components requiring flame resistance and dimensional stability. 3. Industrial & Machinery Suitable for gears, bearings, fasteners, conveyor parts, and structural mechanical components requiring high strength and durability. Product Specification ItemSpecification GradePA66-LGF30 Fiber Length12 mm ColorNatural / Customized MOQ25 kg Packaging25 kg/bag Delivery Time7–15 days PortXiamen Port FAQ 1. Is higher glass fiber content always better? Not necessarily. The optimal fiber content depends on application requirements such as strength, toughness, and surface quality. 2. Can LGF materials be used for appearance parts? Yes, but surface quality must be evaluated based on product design and mold conditions. 3. How to choose reinforcement length? Selection depends on required mechanical performance and final application conditions. Supplier Information Xiamen LFT Composite Plastic Co., Ltd specializes in long fiber reinforced thermoplastics (LFT-G / LFT-D), including PP, PA6, PA66, PPA, PBT, TPU, and other engineering materials. We provide customized solutions for automotive, electronics, and industrial applications.

What is PA6 Plastic? Polyamide (PA), commonly known as Nylon, is a thermoplastic engineering plastic containing amide groups (-NHCO-) in its molecular chain. It can be divided into aliphatic and aromatic polyamides and is one of the earliest and most widely used engineering plastics. Polyamide materials are widely used in fibers, engineering plastics, and films. According to the number of carbon atoms in the molecular structure, many types of polyamides can be produced, among which PA6, PA66, and PA610 are the most commonly used. Introduction to PA6 (Polyamide 6) PA6 is an aliphatic polyamide known for its lightweight properties, high mechanical strength, wear resistance, and excellent processing performance. It is widely used in engineering plastics, fibers, automotive components, and industrial applications. However, PA6 molecules contain highly polar amide groups that easily form hydrogen bonds with water molecules. As a result, PA6 has relatively high water absorption, which may affect dimensional stability and impact performance under dry or low-temperature conditions. Advantages of Nylon 6 (PA6) High mechanical strength and excellent toughness Outstanding fatigue resistance under repeated bending High heat resistance and softening point Low friction coefficient and excellent wear resistance Excellent resistance to oils, alkalis, and general solvents Good anti-aging and weather resistance Self-extinguishing, non-toxic, and odorless Excellent electrical insulation performance Lightweight and easy to process and mold Disadvantages of Nylon 6 (PA6) High water absorption rate Poor dimensional stability in humid environments Limited resistance to strong acids and oxidants Surface discoloration and oxidation under long-term high temperatures Strict injection molding moisture requirements Possible deformation and warpage during molding Why Fill PA6 with Long Glass Fiber? Although PA6 has excellent mechanical properties and processing performance, its high water absorption and dimensional instability limit its use in high-performance engineering applications. To improve the overall performance of PA6, reinforcement modification is commonly used. Adding long glass fiber (LGF) or carbon fiber significantly enhances: Mechanical strength Impact resistance Dimensional stability Heat resistance Fatigue resistance Structural rigidity Long glass fiber reinforced PA6 is widely used in automotive, industrial, and structural engineering applications. Applications of PA6-LGF PA6 reinforced with 30% long glass fiber (LGF30) is an ideal engineering material for: Power tool housings and components Automotive structural parts Engineering machinery components Industrial load-bearing structures Mechanical and electrical equipment parts Compared with unreinforced PA6, the fatigue resistance strength can be increased by up to 2.5 times. Processing & Forming Guidelines for PA6 + 30% LGF Adding 30% long glass fiber can reduce PA6 shrinkage from approximately 1–1.5% down to around 0.3%. Excessive recycled material should be avoided, as it may reduce mechanical properties and cause discoloration. Recycled material should generally not exceed 25% and must be fully dried before processing. Fiber orientation during injection molding may cause warpage; proper gate design and mold temperature control are recommended. Slow cooling in hot water treatment can help reduce internal stress and deformation. Customers & Staff Certificates

PA6 Long Carbon Fiber Reinforced Thermoplastic High-performance PA6 reinforced with long carbon fiber (LCF) combines lightweight properties, superior mechanical strength, dimensional stability, and outstanding durability for demanding industrial applications. Polyamide 6 (PA6) Nylon 6 (PA6) is a widely used engineering plastic known for its lightweight structure, excellent wear resistance, corrosion resistance, and high toughness. As a thermoplastic resin, PA6 can be repeatedly softened by heating and hardened by cooling, making it highly suitable for repeated processing and molding applications. Long Carbon Fiber (LCF) Carbon fiber features high strength, high modulus, excellent electrical conductivity, and an outstanding strength-to-weight ratio. Compared with traditional glass fiber, carbon fiber provides superior mechanical performance while maintaining lightweight characteristics. Long carbon fiber reinforced thermoplastics are increasingly replacing traditional metal materials in industries such as electric vehicles, electronics, industrial equipment, medical devices, and sports products. LCF vs SCF Long carbon fiber (LCF) reinforced materials provide better impact resistance, fatigue performance, and structural integrity compared with short carbon fiber (SCF) materials. Advantages of Long Carbon Fiber Reinforcement High Strength Excellent mechanical performance with outstanding toughness and durability. Lightweight Lower density compared with traditional metal materials. Thermal Stability Low thermal expansion coefficient and excellent heat resistance. Corrosion Resistance Outstanding resistance to chemicals, aging, and environmental exposure. TDS of PA6 for Reference Applications of PA6-LCF PA6 reinforced with long carbon fiber is widely used in structural and lightweight applications requiring high strength and impact resistance. Helmets Automotive bumpers Treadmills and sports equipment Industrial machinery parts Electric vehicle components Consumer electronics Certifications Factory & Warehouse Teams & Customers About Us Xiamen LFT Composite Plastic Co., Ltd. is a professional manufacturer specializing in Long Fiber Reinforced Thermoplastics (LFT & LFRT), including Long Glass Fiber (LGF) and Long Carbon Fiber (LCF) series materials. Our thermoplastic materials are suitable for injection molding, extrusion, and LFT-D molding applications. Fiber length can be customized from 5mm to 25mm according to customer requirements. The company has passed ISO9001 and IATF16949 certifications, and our products have obtained multiple patents and trademarks.

Physical Properties of Nylon Materials ✔ Excellent mechanical properties: high strength and good toughness. ✔ Self-lubricating & wear resistance: low friction coefficient, long service life in transmission parts. ✔ Excellent heat resistance: PA66 can work at 150°C for long term. After glass fiber reinforcement, heat distortion temperature can exceed 252°C. ✔ Excellent electrical insulation: high volume resistivity and breakdown resistance, ideal for electrical/electronic applications. Introduction of Nylon66 Filled LCF Pellets PA66 is a high-performance engineering plastic with high moisture absorption, which may affect dimensional stability. To improve performance, carbon fiber and glass fiber reinforcement has been widely used since the 1970s. Carbon fiber reinforced PA66 significantly improves strength, stiffness, heat resistance, and dimensional stability compared to unreinforced PA66. It is widely used in automotive, sports equipment, textile machinery, aerospace, and industrial applications. Carbon fiber provides: High strength & stiffness Excellent wear resistance Corrosion resistance Creep resistance Lightweight performance Compared with glass fiber, carbon fiber offers higher modulus and better rigidity performance. Datasheet Reference (PA6-LCF / PA66-LCF) Technical data shows that bending strength, modulus, impact strength and shear strength increase significantly with carbon fiber content. Only transverse shear strength shows slight decrease, but overall mechanical performance is greatly improved. Application of PA66-LCF Certificates & Compliance ✔ ISO9001 / IATF16949 Quality Management System ✔ National Laboratory Accreditation ✔ REACH & RoHS Compliance Testing ✔ Modified Plastics Innovation Enterprise Certificates ✔ Honorary Certificates Factory & Laboratory Q & A 1. Is there a unified performance standard for carbon fiber products? No unified standard exists. Performance depends on fiber type, matrix, and product design. Testing is required before mass production. 2. Are carbon fiber composites expensive? Cost depends on raw materials, process complexity, and order volume. High-performance applications may require expensive materials, but mass production reduces unit cost. 3. Are carbon fiber composites toxic? Generally non-toxic. Some materials like PEEK are even food-grade and widely used in medical applications. 4. Thermoset vs Thermoplastic composites? Thermoset materials rely on curing, while thermoplastics are shaped by cooling and are recyclable.