PTFE, PFA, FEP, PVDF Fluoroplastic products industry experts
What is the material of teflon, it is not teflon?
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Release time:
2024-03-07
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What material is 1. PTFE?
Polytetrafluoroethylene, the chemical name of polyethylene propylene, is a high polymer material with high stability and unique properties. It is obtained by free radical polymerization of tetrafluoroethylene monomer, and its trade name is "Teflon" (Teflon), which was first successfully synthesized and commercially produced by DuPont in 1938.
The unique properties of polytetrafluoroethylene are first manifested in its excellent chemical stability. Because the carbon atoms in its molecular structure are completely surrounded by fluorine atoms, forming stable covalent bonds, it has strong corrosion resistance to almost all chemical substances, whether it is strong acid, strong alkali or various organic solvents. It can not erode its surface, so it is known as the "plastic king".
2. polytetrafluoroethylene temperature resistance how many degrees?
Polytetrafluoroethylene (PTFE) has a wide range of long-term use temperature, and can work stably between -80°C and 260°C. Even in a short period of time, it can maintain a stable state in an environment as high as 280°C to 320°C without obvious deformation or performance degradation.
However, it is worth noting that although PTFE can withstand extreme heat, when the temperature exceeds 350°C, the material will start to decompose and may release toxic fumes. Therefore, in practical applications, the operating temperature must be strictly controlled to ensure that it is within a safe range.
In addition, the performance of PTFE at low temperatures is also excellent, not due to low-temperature embrittlement, can maintain good flexibility and elasticity at temperatures close to liquid nitrogen, which makes it an ideal choice for cryogenic engineering and cryogenic laboratory equipment.
In general, PTFE with its unique molecular structure gives excellent temperature resistance, whether in cold or hot environments can maintain stable physical and chemical properties, which is also widely used in various industries around the world. One of the important reasons.
Is Teflon 3. Teflon?
Although PTFE and Teflon are different expressions of the same substance in a strict sense, "Teflon" focuses more on its image as a brand and commercial product, while PTFE reflects its chemical essence and scientific attributes more.
Polytetrafluoroethylene, chemical formula (CF2-CF2)n, is a polymer compound, because of its excellent performance and wide application, in industry and daily life is well known, and it also has a more popular and commercial name-Teflon.
Teflon is the brand name of Teflon coatings and products developed and produced by DuPont. This material has unique characteristics, such as extremely low coefficient of friction, excellent chemical stability (resistance to almost all acid and alkali corrosion), extremely high thermal stability (can maintain stable performance in a wide temperature range of -80 ℃ to 260 ℃) and excellent electrical insulation. It is these characteristics that make polytetrafluoroethylene, or Teflon, an ideal choice for many industries.
This article is originally created by Teflon's little sister. Welcome to pay attention and take you to grow knowledge together!
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