PTFE bellows
3 week ago
Product details
PTFE bellows, also known as PTFE bellows, F4 bellows, PTFE bellows, etc., is a kind of tubing made of polytetrafluoroethylene (PTFE) resin as the main raw material, which is processed through a specific process. The following is a detailed introduction to PTFE bellows:
I. Production process
PTFE corrugated pipe is made by special blow molding. The PTFE pipe is heated to a certain temperature in a certain mold, and a certain internal pressure is given inside the pipe to make the pipe expand laterally (blowing), and then cooled and shaped to be made.
Characteristics
Insulation: PTFE bellows has excellent electrical insulation properties, independent of the environment and frequency, volume resistance up to 10 ^ 18 ohm- cm, small dielectric loss, high breakdown voltage.
High and low temperature resistance: little change to the influence of temperature, wide temperature range, can be used in the temperature range of -190 ~ 260 ℃.
Self-lubricating: with the smallest coefficient of friction among plastics, it is an ideal oil-free lubrication material.
Surface non-adhesion: known solid materials can not adhere to its surface, is a solid material with the smallest surface energy.
Atmospheric aging resistance, irradiation resistance and low permeability: its surface and properties remain unchanged after long-term exposure to the atmosphere.
Non-combustibility: limited oxygen index below 90, it will not burn in air and meets fire safety requirements.
Chemical resistance and weather resistance: in addition to molten alkali metals, PTFE is almost unaffected by the corrosion of any chemical reagents, such as boiling in concentrated sulfuric acid, nitric acid, hydrochloric acid, its weight and performance are unchanged. At the same time, PTFE bellows does not absorb moisture and is extremely stable to oxygen and ultraviolet rays, so it has excellent weather resistance.
In addition, PTFE bellows also has high flexibility and elasticity, easy to turn the edge of the process, and the lowest refractive index in all plastics, has a high degree of transparency, easy to observe the internal fluid state.
PTFE corrugated pipe
Specification
PTFE corrugated pipe can be divided into V-type, U-type and -type according to the shape of the corrugation. Its outside diameter specifications include metric and inch two kinds, such as metric outside diameter of 6mm, 8mm, 10mm, 16mm, 20mm, 25mm, 38mm, 60mm, etc., inch outside diameter of 1/8 inch, 1/4 inch, 3/8 inch, 1/2 inch, 3/4 inch, 1 inch and so on. Other shapes and specifications can be customized according to customer requirements.
Application
Chemical industry: PTFE bellows is commonly used to convey corrosive chemicals, acids and alkalis, etc. Its chemical resistance and high temperature resistance ensure the safety and reliability of the piping system.
Semiconductor industry: In the semiconductor manufacturing process, PTFE bellows can be used to transport high-purity chemical gases and liquids to ensure a clean production environment and high quality products.
Mechanical Engineering: In hydraulic systems, pneumatic equipment and other mechanical engineering, PTFE bellows can not only reduce the wear and tear of equipment and energy consumption, but also improve the operational efficiency and stability of the system.
Aerospace: In the aerospace field, PTFE bellows can be used to transport fuels, oxidizers and other critical fluids to ensure the safe operation of aircraft.
Food Processing: In the food processing industry, PTFE bellows can be used to convey food raw materials, additives and finished products to ensure food safety and hygiene.
Environmental industry: In wastewater treatment and exhaust gas treatment systems, PTFE bellows can be used to convey corrosive wastewater and exhaust gases, increasing the durability and efficiency of treatment systems.
Electrical insulation: Due to PTFE's excellent electrical insulation properties, PTFE bellows are also commonly used for the protection of electrical circuits, especially in environments where flexibility and chemical resistance are required.
Overall, PTFE bellows play an important role in several industrial sectors due to its unique properties and wide range of applications
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