Among plastics, fluororesins possess rare characteristics. An explanation of the representative fluororesins "PTFE," "PFA," and "FEP."
What are the representative fluoropolymers with the highest characteristics of plastic? Here, we will explain three representative fluoropolymers. ■Resin Name PTFE (Polytetrafluoroethylene) ■Features It has the highest continuous use temperature of 260°C, and is excellent in heat resistance, non-stick properties, and low friction characteristics. ■Also Known As Tetrafluoroethylene, 4F ■Resin Name FEP (Perfluoroethylene Propylene Copolymer) ■Features This is a modified resin of PTFE, with a continuous use temperature of 200°C. It has a low thermal melt viscosity, allowing for molding through injection molding, which was not possible with PTFE. Its heat resistance temperature is lower than that of PTFE. ■Also Known As 4F6F, Tetrafluoro-hexafluoropropylene ■Resin Name PFA (Perfluoroalkoxy Alkane Polymer) ■Features This is a modified resin of PTFE that has the same heat resistance of 260°C as PTFE. It has a low melt viscosity, making injection molding possible, which was not feasible with PTFE. ▼For a detailed explanation about fluoropolymers, click the related link URL!▼
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◆Characteristics of Fluororesin◆ ■Non-stick Property It has excellent release properties even against strongly adhesive substances, meaning it either does not adhere or is difficult to adhere. ■Water and Oil Repellency It repels water and oil well when they come into contact with the surface. Therefore, it is resistant to dirt and can be easily cleaned. ■Heat and Cold Resistance Among resins, it has high heat resistance, enduring high temperatures (up to 260°C). It also withstands low temperatures down to -260°C. ■Low Friction It has a slippery surface with a low friction coefficient. Additionally, it exhibits excellent lubricating properties. ■Chemical Resistance It is rarely affected or corroded by chemical substances such as acids and alkalis. While a thin coating is not compromised, chemicals and solutions can penetrate the coating and corrode the substrate, so a thicker coating is applied to prevent substrate corrosion. ■Electrical Properties It has high insulation strength (breakdown strength), volume resistivity, and surface resistivity, making it excellent in electrical insulation.
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To maximize the performance of manufacturing equipment and machine parts, Yoshida SKT derives the "optimal solution" tailored to our customers from hundreds of surface treatment technologies. - Decreased productivity due to adhesive troubles - Instability in product quality due to friction - Early deterioration of equipment due to corrosion We respond to these challenges in the manufacturing field with our extensive track record and reliable technical expertise. In 1963, we began fluoropolymer processing. In 1968, we signed a licensing agreement with DuPont (now Chemours), supporting manufacturing innovations for over 2,000 customers across various industries, from automotive to medical and aerospace. Furthermore, in 2024, we are focusing on the development of next-generation products, such as PFAS-free coatings, contributing to the advancement of sustainable manufacturing. With a three-base system in Nagoya, Tokyo, and Yamaguchi, we flexibly respond to both mass production and custom orders. Our consistent quality management system ensures that we deliver reliable quality. For solving challenges in the manufacturing field, trust the surface treatment experts at Yoshida SKT.