What is a fluoropolymer?
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Here are the features of fluoropolymer.
Fluoropolymer refers to a type of polymer that contains fluorine atoms as a major component. Fluorine is a very distinctive element, and its properties are prominently reflected in the polymer. Below, I will explain the main characteristics and common applications of fluoropolymers in detail. ■Characteristics Very low adhesion Fluoropolymers are generally very smooth and have almost no adhesion, which is why they are known as "non-stick" or "non-adhesive." High chemical resistance Fluoropolymers possess excellent chemical resistance. They show resistance to many corrosive substances and solvents, and have chemically stable properties. This makes them suitable for applications such as chemical containers, piping, and gaskets. High heat resistance Fluoropolymers have the ability to withstand high temperatures. In particular, PTFE can endure very high temperatures (around 260°C or 500°F). This property makes them suitable for applications that require use under high-temperature conditions. Electrical insulation Fluoropolymers have excellent electrical insulation properties. This is one of the reasons they are widely used as insulating materials for electronic components and cables.
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**Properties of Fluoropolymer Resins** ■ Non-stickiness It has good release properties even against strongly adhesive substances, meaning it either does not adhere or adheres with difficulty. ■ Water and Oil Repellency It effectively repels water and oil on its surface, making it difficult for dirt to stick and easy to clean. ■ Heat and Cold Resistance Among resins, it has high heat resistance, enduring high temperatures (up to 260°C) and also withstanding low temperatures (down to -260°C). ■ Low Friction It has a slippery surface with a low friction coefficient and 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 it is advisable to make the film thicker 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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General Uses Non-stick Coating Teflon (PTFE) is well-known for being used as a non-stick coating on the surfaces of cookware. This makes cooking easier as food does not stick. Sealing Materials The chemical resistance and heat resistance of fluoropolymers make them suitable for use as sealing materials. They are used in gaskets and sealing rings. Electrical Insulation Materials Due to their high electrical insulation properties, they are widely used as insulation materials for electronic components and wiring. Medical Applications Fluoropolymers have high biocompatibility and are also used in medical devices and implant materials. These are some of the general characteristics and applications of fluoropolymers. While specific fluoropolymers have different properties, they commonly exhibit high heat resistance, chemical resistance, non-stick properties, and electrical insulation.
