What is the telephone number for Treasury Direct? Tomâs response. Treasury Direct doesnât publish its phone number, but you can email them and ask them to call you and they will. If you have access to your account, the best way to contact them is to use the Contact Us link near the top-right corner of each TreasuryDirect screen. If you donât have an account yet or your problem is you canât get into your account, click here to contact Treasury Direct by email.
Posted on. (Answer #1). Teflon is a brand name of chemical compound of fluorine and carbon called polytetrafluoroethylene (PTFE). The name teflon has now become so popular that it has acquired the position of generic name for this chemical.Teflon is a plastic material that is highly resistant against chemicals, corrosion, and oxidation.he name teflon has now become so popular that it has acquired the position of generic name for this chemical. Teflon is a plastic material that is highly resistant against chemicals, corrosion, and oxidation.
Background. Teflon is the registered trade name of the highly useful plastic material polytetrafluoroethylene (PTFE). PTFE is one of a class of plastics known as fluoropolymers. A polymer is a compound formed by a chemical reaction which combines particles into groups of repeating large molecules.Many common synthetic fibers are polymers, such as polyester and nylon. PTFE is the polymerized form of tetrafluoroethylene.onstick cookware. 1  7 One of the most common and visible uses of PTFE is coating for nonstick pots and pans. 2  The pan must be made of aluminum or an aluminum alloy. 3  The pan surface has to be specially prepared to receive the PTFE.