what are polytetrafluoroethylene used for?
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PTFE is used as a non-stick coating for pans and other cookware. It is non-reactive, partly because of the strength of carbon–fluorine bonds, and so it is often used in containers and pipework for reactive and corrosive chemicals.
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PTFE tape, often referred to casually as thread seal tape or 'plumber's tape', is a simple but highly versatile thread sealant and lubricating material, used primarily in piping and ductwork applications.
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Gore-Tex is a waterproof, breathable fabric membrane and registered trademark of W. L. Gore and Associates. ... It is composed of stretched polytetrafluoroethylene (PTFE), which is more commonly known by the generic trademark Teflon.
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Teflon® PTFE resins have a continuous service temperature of 260°C (500°F).
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PTFE-Coated Garments When coated with PTFE, garments have decreased friction, which makes them easier to clean. In addition, this coating makes garments resistant to stains, and it acts as a flame retardant. Therefore, PTFE is commonly used to coat special types of clothing such as uniforms and ceremonial robes.
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Safe coating: PTFE inert coating Tefal was the first to use PTFE as the main component of its non-stick coatings. Public Health Authorities in Europe and in the United States have demonstrated that PTFE is an inert substance with no effect on health, even in the case of ingestion.
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Primary uses for elastomer are seals, molded flexible parts and adhesives and used in vehicle manufacturing, food production, scientific applications and chemical processes. Elastomer is available in different grades, depending on their application.
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It's not just Teflon that's dangerous though.... other cookware that may contain PTFE include T-Fal, Silverstone, Flura, Excalibur, Supra, Xylon, Greblon, Resistal, Duracote, Autograph and Scanpan. However, pans such as ceramic coated, hard anodized aluminum, and a well seasons cast iron can also be non-stick.
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PFOA, PTFE and the Differences between the Two PFOA, short for perfluorooctanoic acid, is a synthetic compound that has many applications. It is known to repel water and oil and is used in the manufacturing process of some PTFE cookware. PTFE, a distinct substance, is a synthetic polymer.
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PTFE is used as a non-stick coating for pans and other cookware. It is nonreactive, partly because of the strength of carbon–fluorine bonds, and so it is often used in containers and pipework for reactive and corrosive chemicals.
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For this reason, beginning in the 1940's, PFAS have been used in a variety of applications including in stain- and water-resistant fabrics and carpeting, cleaning products, paints, and fire-fighting foams. In addition, certain PFAS are authorized by the FDA for limited use in cookware, food packaging and processing.
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Also known as Xylan or Teflon coating, PTFE is tough yet flexible | FluorocarbonST.
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High-Density Polyethylene HDPE is resistant to many solvents and has a high density-to-strength ratio, making it the ideal plastic for reusable and recyclable bottles. It is also used to make pipes, lumber, fireworks and plastic bags.
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Many liners also have a Teflon coating and are labelled 'PTFE-coated'. The maximum temperature varies by manufacturer, but they are usually safe up to 260C (500F). Important: Do not use the liners above their maximum temperatures. This can cause dangerous fumes to be released.
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Polytetrafluoroethylene, also known as Teflon®, is made with four ingredients -- fluorspar, hydrofluoric acid, chloroform, and water, which are combined in a chemical reaction chamber heated to between 1094-1652°F (590-900°C). Creating PTFE involves 2 main phases and a series of reactions.
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PTFE is a thermoplastic. ... The compact interlocking of Fluorine atoms alongside stronger and stable C-F bonds are the reasons for high heat stability (melting point of 327°C) of PTFE. The electron affinity causes F atoms to be negatively charged and expected to have higher intra-molecular and intermolecular forces.
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All Circulon TOTAL™ non-stick is completely PFOA free. ... PTFE is short for polytetrafluoroethylene, which is a slippery, tough and non-flammable synthetic material known as the non-stick coating on a pan.