Overview
Fluoroelastomer (FKM) is a high-performance synthetic rubber renowned for its exceptional resistance to extreme temperatures, chemicals, and oils. Developed in the mid-20th century, it has become indispensable in industries requiring durable and reliable elastomers. Its unique molecular structure, incorporating fluorine atoms, grants it superior stability compared to other rubbers. FKMs are classified into various grades based on their fluorine content and copolymer composition, each tailored for specific applications. Common grades include Type 1 (high fluorine content) and Type 2 (lower fluorine content), with variations in chemical and thermal resistance. The material's versatility makes it a preferred choice for sealing solutions in harsh environments.
Physical and Chemical Properties
Fluoroelastomers exhibit outstanding thermal stability, with continuous service temperatures ranging from -20°C to +250°C, and short-term exposure up to 300°C. Their chemical resistance spans acids, fuels, oils, and solvents, outperforming most elastomers. The material's low gas permeability further enhances its suitability for sealing applications. Mechanically, FKMs offer good tensile strength and elasticity, though they are less flexible than some rubbers like nitrile. Their compression set resistance is excellent, ensuring long-term sealing performance. However, they are susceptible to degradation by certain amines and polar solvents, necessitating careful material selection for specific environments.
Main Applications
Fluoroelastomers are widely used in the automotive industry for fuel system seals, valve stem seals, and O-rings, where exposure to fuels and high temperatures is common. In aerospace, they are employed in hydraulic systems and engine components due to their reliability under extreme conditions. Industrial applications include chemical processing equipment, where FKMs resist aggressive chemicals and maintain integrity. They are also found in oil and gas exploration, semiconductor manufacturing, and pharmaceutical industries. The material's adaptability to molding and extrusion processes allows for complex part geometries, further broadening its utility.
Safety and Storage
While fluoroelastomers are generally safe, precautions should be taken to avoid inhalation of dust during machining or grinding. Prolonged skin contact should be minimized, as some individuals may experience mild irritation. Proper ventilation is recommended during processing. Storage conditions are critical to maintaining material properties. FKMs should be kept in a cool, dry place away from direct sunlight and ozone sources. Original packaging should be retained to prevent contamination. Shelf life typically ranges from 5 to 10 years, depending on storage conditions and grade.
B2B Procurement Guide
When procuring fluoroelastomers, buyers should prioritize suppliers with certifications like ISO 9001 and ISO/TS 16949 for automotive applications. Key considerations include material grade, fluorine content, and copolymer type, which dictate performance in specific environments. Batch-to-batch consistency is crucial for quality control. Request certificates of analysis (CoA) and material safety data sheets (MSDS) for compliance. Pricing varies by grade and volume, with bulk purchases often securing discounts. Lead times can range from weeks to months for specialized grades, so plan procurement accordingly.
Related Manufacturers
- 主营：弹性体、专用注塑原料
- 主营：填充料、塑料袋、仪器箱、弹性体、料颗粒、吸收剂、塑料桶、塑料筐、灰色abs、碳纤维、爽滑剂、农机具、树脂瓦、无纺布、聚乙烯、塑料颗、塑料盒、排水管、制作灯罩、注塑颗粒、抗静电剂、家具管材、塑料配件、电线电缆、环保颗粒、家用电源
- 主营：TPU弹性体、POM
- 主营：PA66、POM、PA12、聚烯烃弹性体、PP、ABS、PC、EVA、LDPE、PA6、PPS、PA、PET
- 主营：塑料颗粒、尼龙、POM、弹性体、ABS、PA66、PA6、PC、PBT、EVA、HDPE、日本宝理、美国杜邦、日本东丽、德国巴斯夫、台湾奇美、台湾台塑
- 主营：POM杜邦、POM宝理、PA66巴斯夫、高流动弹性体、PA66杜邦、PBT巴斯夫、PA66东丽、POM100P、POM500P、EVA日本三井、EVA杜邦、PBT基础创新、PA6日本宇部、PA66、POM、PC、PBT、PP、德国巴斯夫、美国杜邦、日本东丽、POM可隆、德国朗盛、科思创、沙伯基础、POMM90-44
- 主营：PC、PBT、PA66、弹性体、POM、POE、PC/ABS、PA6、EVA、PPS、PPA、PET、PBT/PET、PA6T、PA9T、PFA
- 主营：塑胶原料、美国杜邦、LCP塑胶原料、弹性体材料、POM塑胶原料、PA66塑胶原料、进口工程塑胶原料、工程塑料、合金塑料、PC塑料、聚甲醛、尼龙、PA66、铁氟龙、COC塑胶原料、PC塑胶原料、马来酸酐接枝塑胶原料、金属粘结塑胶原料、铝铁金属牢固粘结塑胶原料、食品级聚烯烃塑胶原料、新能源铝塑膜粘结聚烯烃塑胶原料、马来酸酐接枝原料
- 主营：PA66、POM、LCP、高流动弹性体、PPS、TPEE、PBT、PP、PMMA、PC、TPV、TPU、PA46、ABS、PCTG、PTFE、PA12、PSU、PEEK、PPSU、PPO、PA9T、工程塑料、特殊工程塑料、塑料树脂、PVDF
- 主营：增韧剂、热熔胶、电线电缆、聚烯烃弹性体、薄壁容器、塑料颗粒
- 主营：ADMER三井粘合树脂、Nucre粘合树脂、Elvaloy改性树脂、弹性体、接枝GMA、马来酸酐接枝、PP马来酸酐接枝、PE接枝马来酸酐、Surlyn沙林树脂
- 主营：PP、POM、pc、弹性体、PA66、POE、ABS、PPS、PBT、PA6
- 主营：POM、PC、ABS、热塑弹性体、PC/ABS、PA66、PBT、工程塑料、通用塑料
- 主营：塑料原料、工程塑料、美国杜邦、弹性体、PBT、德国巴斯夫、德国朗盛、PA66、PC+ABS、PET、韩国LG、日本旭化成、PC、尼龙PA、POM、PPO、PPS、奇美abs、PA6、TPU、POM100p、POM500p、pom900p、pc1100、pc/abs、日本宝理pom
- 主营：耐高温材料、LCP、尼龙原料、弹性体、PPA、PC、PC/ABS、PPS、EVA、PP、POM、POE、PA6、PA66、TPU、PET、ABS、聚丙烯、PA12、PBT、PPO、PPE、合金料、LDPE、万华化学、HDPE