Overview
Stock polyamide resin, commonly referred to as nylon resin, is a synthetic polymer derived from the condensation of diamines and diacids. It is widely stocked for industrial use due to its balance of mechanical durability, thermal resistance, and ease of processing. The material is categorized into multiple grades (e.g., PA6, PA66) tailored for specific applications. Polyamide resins are favored in B2B markets for their adaptability to injection molding, extrusion, and solvent-based formulations. Their recyclability and compatibility with additives (e.g., glass fibers) further enhance their utility in high-performance sectors.
Physical and Chemical Properties
Polyamide resins exhibit a semi-crystalline structure, contributing to their high tensile strength (50–100 MPa) and impact resistance. Their thermal properties vary by type, with continuous-use temperatures ranging from 80°C to 150°C, making them suitable for under-the-hood automotive components. Chemically, polyamides resist oils, alkalis, and dilute acids but degrade in strong acids or phenols. Moisture absorption (up to 8% in PA6) can affect dimensional stability, necessitating pre-drying before processing. Manufacturers often modify resins with stabilizers to enhance UV or flame resistance.
Main Applications
In industrial settings, stock polyamide resin is primarily used in adhesive formulations for laminates and footwear due to its strong bonding and flexibility. Coatings derived from PA resins provide abrasion resistance for wires and metal surfaces. The automotive sector relies on PA resins for fuel lines, gears, and radiator components, leveraging their heat and chemical resistance. Emerging uses include 3D printing filaments (e.g., PA12) and electroplating substrates for decorative finishes.
Safety and Storage
While polyamide resins are generally low-hazard, processing at high temperatures may release caprolactam (PA6) or other volatile compounds, requiring ventilation. Powdered forms pose minor inhalation risks; NIOSH-approved dust masks are recommended. Storage should prioritize moisture control to prevent hydrolysis. Original packaging with desiccants is ideal. Bulk quantities are typically palletized in polyethylene-lined bags or containers. Shelf life exceeds two years if stored properly.
B2B Procurement Guide
Industrial buyers should specify technical parameters such as melt flow index (MFI), tensile modulus, and moisture content. PA66 grades command higher prices but offer superior heat resistance compared to PA6. Supplier audits are advisable to ensure consistency in polymerization quality and additive formulations. Bulk orders (1+ metric tons) often qualify for discounts of 5–15%. Consider regional logistics; some resins are hygroscopic and may require climate-controlled transport.
Related Manufacturers
- 主营：固化剂、环氧地坪、防腐涂料、低分子环氧树脂、密封材料、硅烷偶联剂
- 主营：铝溶胶、硅溶胶、磷酸二氢铝、聚酰胺树脂、油酸钠、油酸钾、十八胺、甲酸钠、硫酸氢钠、碳酸铵、尿素硝铵溶液、硝酸铵钙、碳酸亚铁、甲基硅酸、二氧化硫脲、氟硅酸镁、二羟甲基丙酸、葡萄糖酸钠、二甲基甲酰胺、四氯乙烯、正丁醇、大苏打、硝酸铁、油酸甲酯
- 主营：回收磷酸、回收废盐、回收工业盐、收购聚酰胺树脂、处置副产工业盐、回收混合盐
- 主营：塑料原料、PP、PA66、TPEE、PC
- 主营：EVA、PP、PC、PA6、PA66、POM聚甲醛、ABS、PPS、PE、PETG、PMMA、PBT
- 主营：稀释剂、虫胶片、脱漆剂、酚醛树脂、蒙脱石、脱霉剂、漂白剂、石灰氮、粘合剂、除锈剂、清洗剂、活性染料、二氯丙烷、二氯甲烷、土壤杀菌、氟硅酸钠、环保溶剂、硝酸铁、氯化钡、硫酸氢钠、甲酸、三氯化铝、二氯乙烷、二氯异氰尿酸钠、固体次氯酸钠
- 主营：十六烷基三甲基溴化铵、十二烷基甜菜咸、乳化剂、亚磷酸三丁酯、棕榈油、钛酸四丁酯、钛酸四乙酯
- 主营：全氟聚醚二醇、全氟三丁胺、聚硅氮烷、特种硅树脂、特种硅油
- 主营：EVA塑料、POM塑料、POM均聚、POM共聚、杜邦100P、杜邦500P、尼龙PA6-PA66、PMMA亚克力、聚碳酸酯pc、ABS塑料、科思创2805、PC/ABS合金料、透明尼龙12
- 主营：己二酸二酰肼、2-甲基四氢噻吩-3-酮、3-甲基-2-丁硫醇、丙酸氯倍原料、亚乙基硫脲、2-辛二醇、三氟甲基磺酸铋、醋酸钯
- 主营：黄丹粉、柠檬酸、导热油、合成树脂、漂白粉、707乳液、氧化铝、氯化钙、木质素、防腐剂、除锈剂、防锈剂、酒石酸、抗氧剂、松香工业、碳酸氢铵、醋酸铅、碳酸铅
- 主营：PA66、TPU、ABS、PC、POM、PP、PA6、PET、PA12、POE、HDPE、LLDPE、EVA、PCTG、PA46、PVC、PPS、PPO、AS、HIPS、PMMA、PC-ABS、PETG、ASA、MDPE
- 主营：架桥剂、YW100 锂萃取剂、端羧基液体丁腈橡胶、溴代海因树脂颗粒、10-羟基癸酸、苯乙烯磷酸、肉豆蔻酸镁、硬脂酸钴、全氟三丁胺、乙烯基磷酸二乙酯、磷酸锰铁锂、β-磷酸三钙、十一烯酸、钨酸铝、1-乙炔基环已醇、间二异丙苯、锂硅合金、溴甲酚绿、生物活性玻璃、红铝、龙涎酮、原丁酸三甲酯
- 主营：甲酸镍、水苏糖、阻燃剂、柠檬醛、西瓜酮、氢醌酯、卡必醇、消泡剂、磷酸铁、肉桂醇、肉桂醛、碳酸镉、磷酸铝、银墨水、椰油胺、封装胶、化合物、桦木油、稀释剂、羟乙基、乙硫氮、润肤剂、球虫酯、矮壮素、异龙脑
- 主营：专用注塑原料