Overview
Polyhexamethylene adipamide (nylon 6,6) is a high-performance synthetic polymer derived from adipic acid and hexamethylenediamine. It is one of the most widely used engineering plastics due to its exceptional mechanical properties and resistance to wear and chemicals. Nylon 6,6 is favored in industries requiring durable materials, such as automotive, textiles, and electronics. First commercialized by DuPont in the 1930s, nylon 6,6 revolutionized the materials industry. Its balanced combination of strength, flexibility, and thermal stability makes it suitable for demanding applications. The polymer is produced through a polycondensation reaction, resulting in long-chain molecules with repeating amide linkages.
Physical and Chemical Properties
Nylon 6,6 exhibits a high melting point of 260-265°C, making it suitable for high-temperature applications. Its density is approximately 1.14 g/cm³, and it is insoluble in water but dissolves in certain organic solvents like formic acid. The polymer's crystalline structure contributes to its toughness and resistance to abrasion. Chemically, nylon 6,6 is resistant to oils, fuels, and many solvents, though it can degrade under prolonged exposure to strong acids or alkalis. Its moisture absorption rate is relatively low compared to other nylons, which helps maintain dimensional stability in humid environments.
Main Applications
Nylon 6,6 is extensively used in the textile industry for producing durable fabrics, carpets, and ropes. Its high strength-to-weight ratio makes it ideal for automotive components such as airbags, tire cords, and engine covers. Industrial applications include gears, bearings, and conveyor belts due to its wear resistance. In consumer goods, nylon 6,6 is found in items like toothbrush bristles, fishing lines, and sports equipment. Its electrical insulation properties also make it valuable in electronic components. The polymer's versatility ensures its presence in both everyday products and specialized industrial uses.
Safety and Storage
When handling nylon 6,6, avoid inhaling dust particles, which can irritate the respiratory system. Use personal protective equipment (PPE) such as gloves and masks during processing. The material is generally non-toxic but may release hazardous fumes if overheated or burned. Store nylon 6,6 in a cool, dry environment to prevent moisture absorption, which can affect its mechanical properties. Keep it away from direct sunlight and strong oxidizing agents. Proper storage ensures the polymer retains its performance characteristics over time.
B2B Procurement Guide
When sourcing nylon 6,6, consider the polymer grade, which determines its thermal stability, mechanical strength, and additive content. Industrial-grade variants are optimized for high-stress applications, while textile-grade focuses on flexibility and dyeability. Verify supplier certifications to ensure material consistency and quality. Price varies based on quantity, grade, and supplier location. Bulk purchases typically offer cost savings. For specialized applications, request technical datasheets to confirm properties like UV resistance or flame retardancy. Reliable suppliers should provide samples for testing before large-scale procurement.
Related Manufacturers
- 主营：塑胶原料、EVA醋酸乙烯、PA尼龙6/66、PP聚丙烯、PE聚乙烯、PC聚碳酸酯、POM聚甲醛、聚苯硫醚、ABS、PBT工程塑料、工程塑料、基础塑料、电线电缆、电器外壳、电动工具、家用电器、电气外壳、外壳颗粒、汽车部件、熔喷料、家电部件、电子电器外壳
- 主营：PA66、POM、PA12、PP、ABS、PC、EVA、LDPE、PA6、PPS、PA、PET、HDPE、云天化POM、旭化成POM、宝理POM、韩国工程POM、台塑POM、奇美ABS、PP韩国SK、泰科纳POM、PC沙伯基础、德国拜耳PC、PC日本出光、杜邦POM
- 主营：塑料原料、PP、PA66、TPEE、PC
- 主营：塑胶原料
- 主营：塑胶原料、工程塑料、铁氟龙、聚乙烯、PTFE、HDPE、PVDF、PC、PP、pPA6、PA66、hhm5502lw、c2950-111、ppo塑胶、pcg-3430r、t-45注塑、pc243r-111、pese2010g4、包装薄膜、电线电缆、照明灯具、蜡塑料pvc、汽车部件、耐低温热、塑料玩具
- 主营：pom、abs、pc、pe
- 主营：塑胶原料、工程塑料、铁氟龙、PTFE、HDPE、PVDF、PC、PP、PA66、M90-44、PA-757、M2320、6020、F5A、照明灯具、汽车部件、包装薄膜、塑料玩具、特种塑料、ABS、POM
- 主营：POM塑料、ABS塑料、PA66塑料、PA6塑料
- 主营：注塑、吹塑、塑胶原材料、挤出
- 主营：PA46、PA66、POM、TPU、PPS、PPO、lCP、PC、PC/ABS、TPSIV、PBT、PTFE
- 主营：沙林树脂pc2000、沙林塑胶原料9910、ptfe塑胶原料、pfa塑料、peek塑胶颗粒、cpvc塑胶、tpsiv原料、lcp特种工程塑料、pps高温材料、pvdf特氟龙塑料
- 主营：surlyn、pvdf、PA66、ABS、PFA、ptfe
- 主营：pom、pa66、abs、聚丙烯pp、pa6、tpu、tpv、pbt、HDPE、lldpe、ldpe、pc、petg、pps、pmma、poe、ppsu、ppa、hips、eva、peek、pa9t、pa6t、pvdf
- 主营：POM、PA66、PA6、铁氟龙、TPU、PBT、PC、特种工程塑料
- 主营：POM、PVDF、PA66、共聚甲醛赛钢、PPS、PBT、Pom500p、Pom100p、Pom900p、F20-03、M90-44、Ppsu、PPA、POE、PA9T、日本旭化成pom、日本宝理pom、德国巴斯夫pa66、美国杜邦pom、PCTG、PC材料、PC ABS材料、ABS、PA6材料