[Presentation of Materials] We will introduce the differences in characteristics between fluororesin "PTFE" and "ETFE" resins and coatings.
This explains the differences in characteristics between the fluoropolymer "PTFE" and "ETFE." ■Resin Name PTFE (Polytetrafluoroethylene) ■Characteristics It is the first resin discovered and developed among fluoropolymers. It has a continuous use temperature of 260°C, excellent heat resistance, low friction properties, and non-stick characteristics. Although it has a high melting viscosity, making injection molding difficult, it is used as a coating for frying pans and hot plates. ■Resin Name ETFE (Ethylene Tetrafluoroethylene Copolymer) ■Characteristics Unlike perfluorinated fluoropolymers, ETFE contains hydrogen atoms (H) in its molecular structure. Therefore, its chemical resistance and heat resistance are lower compared to PTFE and FEP, with a continuous use temperature of 150°C compared to PTFE's 260°C. On the other hand, ETFE has high mechanical strength and can be processed at low melting points, making it suitable for applications requiring corrosion lining and wear resistance. *For more details, please click on "PDF Download" or feel free to contact us.*
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**Properties of Teflon Resin and Fluororesin** ■ Non-stickiness It has good release properties even against strongly adhesive substances, meaning it does not stick or is difficult to stick. ■ 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 lubricity. ■ Chemical Resistance It is rarely affected or corroded by chemical substances such as acids and alkalis. In the case of coatings, if the film is thin, it remains unaffected, but chemicals and solutions can penetrate the film and corrode the substrate, so increasing the thickness of the film helps prevent substrate corrosion. ■ Electrical Properties It has high insulation strength (dielectric 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.