08 15, 2024
Perfluoropolyether grease (fluorine grease) is refined from PTFE, PFPE with additives. In the chemical industry, PFPE is the ideal working fluid for vacuum pumps; in the electronic industry, it is a high-quality lubricant for vacuum mechanical pumps in the production of semiconductors; in the mechanical industry, PFPE is suitable for high-temperature and chemically stable bearings and electromechanical equipments; in the nuclear industry and aerospace industry, PFPE is used because of its unique performance; and in the magnetic media industry, it is a high-quality lubricant for hard disks and magnetic tapes. With its high temperature, ultra-long lubrication cycle, waterproof, acid and alkali resistance, PFPE performs well in the high temperature environment of the food industry, with high cost performance and a service life far exceeding that of similar products.
Perfluoropolyether grease, commonly known as fluorine grease, is refined from polytetrafluoroethylene (PTFE), perfluoropolyether (PFPE) and additives. It has excellent thermal stability, chemical inertness, low saturation vapor pressure, good lubricity and viscosity-temperature characteristics. In the field of space machinery lubrication, especially in the lubrication of some components with high precision requirements, it has been widely used, mainly in the following areas.
(1) Химическая промышленность: PFPE is used as working fluid in various vacuum pumps [rotary pumps, turbo-molecular pumps and vapor diffusion pumps]; when there are corrosive gases in the operating environment, PFPE is used as lubricating oil for compressors and valves.
(2) Электронная промышленность: the use of plasma etching, LPCVD and plasma cultivation and other technologies to produce semiconductors to be used in a number of vacuum mechanical pumps, and PFPE as a vacuum mechanical pump lubricant to achieve satisfactory results.
(3) Машиностроение: PFPE is often used as high temperature and chemically stable porous metal bearings, conveyor belts, paper and textile machinery lubricants, when used as a plastic bearing lubricant, its anti-wear ability to improve when some electromechanical equipment (such as current contactors, switches and buttons and sliding electrical contactors, etc.) in the need for good lubrication and resistance to arcing is often to use PFPE lubricants.
(4) Атомная промышленность: in the UF6 enrichment workshop, when the temperature is higher than 130 ℃ when the lubricant is required to resist the chemical impact of UF6, but also requires dry, dust-free and low vapor pressure, PEPE is allowed to be used as a super-centrifugal bearing lubricant lubricant in such working conditions.
(5) Аэрокосмическая промышленность: Because PFPE has a wide range of liquid temperature, low evaporation, high static viscosity, very low vapor pressure, low flow temperature and good high-pressure lubrication in the aerospace industry has been used.
(6) Индустрия магнитных носителей: low coefficient of friction, low volatility and good insulation make PFPE can be used as the lubrication of hard disk, magnetic tape and other magnetic recording media on instruments such as juice calculator, video recording and automatic recording device.
The biggest characteristics of perfluoropolyether grease: high temperature, long lubrication cycle, waterproof, good acid and alkali resistance. Most of the general food industry is used in high temperature and longer lubrication cycle requirements of the position, and seals. It can be said that the highest cost-effective products for high-temperature environments, high temperature 200 ℃ to 260 ℃, its service life than 300/F-YL products up to 10 times more than the cost-effective compared to peers more than 30% lower.
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