I will explain in detail the differences between Teflon and fluoropolymer, which are often confused.
■Difference Between Teflon and Fluoropolymer Teflon is a trademark of Chemours and is a brand name for fluoropolymers. Fluoropolymers include various types such as PTFE, FEP, PFA, and ETFE, but Teflon is a trademark for some of these. Teflon is a registered trademark of DuPont, represented by the 'R mark', while Chemours uses the 'TM mark'. Teflon-coated frying pans have popularized the term "Teflon coating" in society. Nowadays, the name Teflon is more well-known than the term fluoropolymer. Other chemical manufacturers also produce fluoropolymers, which are marketed under different product names. Industrial Teflon processing can be done at factories that have entered into licensing agreements with Chemours (DuPont). Yoshida SKT signed a contract with DuPont in January 1968 to become a Licensed Industrial Applicator (designated factory for industrial coatings).
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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 difficult for dirt to adhere and can be easily cleaned. ■ Heat Resistance and Cold Resistance Among resins, it has high heat resistance, enduring high temperatures (up to 260°C). It also withstands low temperatures of -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. 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 a thicker film is applied to prevent substrate corrosion. ■ Electrical Properties It has high insulation strength (dielectric breakdown strength), volume resistivity, and surface resistivity, demonstrating excellent electrical insulation properties.
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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.
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