Overview
Low viscosity grade PVDF (Polyvinylidene Fluoride) is a fluoropolymer prized for its exceptional chemical resistance, thermal stability, and mechanical strength. Its low viscosity makes it ideal for applications requiring smooth coatings or thin films, such as in the chemical processing and electronics industries. PVDF is also known for its UV resistance and flame-retardant properties, making it suitable for outdoor and high-safety applications. Developed in the mid-20th century, PVDF has become a cornerstone material in industries demanding durability and performance under extreme conditions. Its versatility extends to membranes for filtration, wire insulation, and even architectural coatings due to its weatherability and aesthetic flexibility.
Physical and Chemical Properties
Low viscosity grade PVDF exhibits a unique combination of properties, including a density of 1.75–1.78 g/cm³ and a melting point around 160–170°C. Its molecular structure, characterized by alternating CH2 and CF2 groups, contributes to its high resistance to acids, bases, and organic solvents. The material’s low viscosity allows for easy processing via extrusion, injection molding, or coating techniques. PVDF is also notable for its piezoelectric properties, making it useful in sensors and actuators. Its thermal stability ensures performance in temperatures ranging from -40°C to 150°C, while its UV resistance prevents degradation under prolonged sunlight exposure. These properties make it a preferred choice for harsh environments.
Main Applications
The primary use of low viscosity grade PVDF is in protective coatings for chemical tanks, pipes, and valves, where its resistance to corrosive substances is critical. In the energy sector, it is used in photovoltaic backsheets due to its UV stability and durability. PVDF membranes are widely employed in water treatment and filtration systems for their chemical resistance and pore structure control. Other applications include wire and cable insulation, where its flame-retardant properties enhance safety, and architectural coatings for buildings requiring long-term weather resistance. In the electronics industry, PVDF’s piezoelectricity is leveraged in sensors and energy-harvesting devices.
Safety and Storage
While PVDF is generally safe to handle, precautions are necessary to avoid inhalation of dust or fumes during processing. Overheating the material can release hazardous hydrogen fluoride gas, requiring adequate ventilation and personal protective equipment (PPE) such as gloves and masks. Storage recommendations include keeping PVDF in a cool, dry environment away from direct sunlight and moisture to prevent degradation. Bulk material should be stored in sealed containers to avoid contamination. Proper handling and storage ensure the material retains its properties and performance over time.
B2B Procurement Guide
When procuring low viscosity grade PVDF, buyers should prioritize suppliers with certifications like ISO 9001 to ensure quality consistency. Key specifications to verify include viscosity grade, molecular weight distribution, and thermal stability, as these directly impact processing and end-use performance. Price negotiations often depend on order volume, with bulk purchases typically securing discounts. Buyers should also consider logistics, as PVDF’s sensitivity to moisture may require specialized packaging. Partnering with suppliers offering technical support can aid in selecting the right grade for specific applications, such as coatings versus membranes.
Related Manufacturers
- 主营：Pa66、通用塑料、工程塑料、低粘度pvdf、聚丙烯、聚乙烯、POM、聚甲醛、亚克力、弹性体、EVA
- 主营：氟材料、工程塑料、热塑性弹性体
- 主营：PA12、POM、PC、低粘度PVDF材料、PA66、PTFE、PFA、ETFE、PBT、TPEE、PA11、TPV、EVA、PPSU
- 主营：玻璃矿物、POM塑胶原料、PA66塑胶原料、PVDF塑料材料、LCP塑胶原料、PA12塑胶原料、PA6塑胶原料、ABS塑胶原料、PC/ABS塑胶原料、PPO塑胶原料、PMMA亚克力、PA9T工程塑料、PBT工程塑料、沙林料、PC塑料、PVA降解塑料、TPU弹性体、TPEE塑胶原料
- 主营：塑胶原料、poe、pp、pvdf、pc、pom、pc/abs、eva、abs、tpu、tpe、tpee、pps、sk、陶氏、三井、PA6、PA66、PA46
- 主营：塑胶原料
- 主营：沙林树脂、PA66、TPEE、TPE、PFA、EVA、PPS、PA46、TPU、TPV、PA12、PA11、SBS、PVC
- 主营：POM
- 主营：30%玻璃、热尼龙66、聚酰胺66、增强材料、工程塑料、增强塑料、htn54g15hslr、高温尼龙、塑胶颗粒、尼龙玻纤、LCP、TPU、美国杜邦、日本宝理、德国拜耳、ST801、2805、PC、757、100P、陶氏POE、8480
- 主营：高尔夫球、沙林树脂、沙林塑料、沙淋树脂、香水瓶盖、沙林流延薄膜
- 主营：LCP、尼龙原料、PPA、耐高温材料、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
- 主营：塑料颗粒、PA6、POM、耐低温柔性、PC/ABS、日本宝理pps、PBT、Pom100p、Pom500p、Pom900p、M90-44、F20-03、ABS747、abs757、美国杜邦、德国巴斯夫、日本宝理pom、ASA、PMMA、PEEK、PCTG、PPA、PPSU、PVDF、POE、乐天PC-1100
- 主营：耐低温柔性、POM
- 主营：塑料原料、PP、PA66、TPEE、PC
- 主营：PVDF涂料级耐候粉末、PTFE微粉、PTFE 树脂、聚四氟乙烯
- 主营：PP、POM、pc、PA66、POE、ABS、PPS、PBT、PA6
- 主营：壳乐斯彩壳、pvc彩壳管道、橡塑、超洁净pvdf保温壳、PA级保热棉、复合upvc外护彩壳
- 主营：pa66、pom赛钢、TPU原料、耐低温柔性、PA6尼龙、瑞士EMS原料、杜邦pom、宝理pom、旭化成pom、巴斯夫pa66、科思创TPU、PC/ABS、聚丙烯pp、PA6T、日本宝理PPS、TPV、PBT、TPU1185A10、PC540、M90-44、F20-03、POM100P、杜邦pom500p、德瑞灵pom、埃克森美孚poe、聚碳酸酯PC
- 主营：聚四氟乙烯密封件、特氟龙加工、四氟密封件、聚偏氟乙烯材料、聚四氟乙烯加工、微波消解罐、四氟波纹管、四氟泛塞圈、聚四氟乙烯、特氟龙异型件加工、PTFE异形件加工、PTFE密封件、PTFE零件加工、四氟产品定制加工、聚四氟乙烯加工工艺、工程塑料加工
- 主营：正牌料、高温特种塑胶、橡胶原料、工程材料、通用塑胶、PA66、POM、PFA、ETFE、PVDF、PBT、PC、ABS、PEEK、PTFE、FEP、PP、PC/ABS
- 主营：fto靶材、钐靶材、硼化锆、高分子材料、硒靶材、铝靶材、钆靶材、铽靶材、氟化镁、钇靶材、钼靶材、铬靶材、镉靶材、钽靶材、硒化锌、氟化镱、砷化镓、硒化锑、碲化镉、镍靶材、钨靶材、铑靶材、铒靶材、铪靶材、锑靶材、碲粉末
- 主营：塑胶原料、工程塑料、铁氟龙、耐低温热、PTFE、HDPE、PVDF、PC、PP、pPA6、PA66、hhm5502lw、c2950-111、聚乙烯、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、塑料玩具
- 主营：pc、pps、PTFE