PTFE Insulator CNC Machined Washer Bushing Coaxial RF adapters
1. Description:
PTFE washers are a type of flat, round gasket made from PTFE (polytetrafluoroethylene), a thermoplastic polymer that has excellent chemical resistance and low friction properties. PTFE washers have a number of unique properties that make them well-suited for a wide range of applications.
First and foremost, PTFE washers are highly resistant to chemicals, including acids, bases, and solvents. This makes them ideal for use in corrosive environments, where they can provide reliable sealing and protection against chemical damage. PTFE is also highly resistant to high temperatures, with a melting point of around 327°C (620°F), which makes it suitable for use in high-temperature applications.
PTFE washers also have very low friction properties, which means that they can be used in applications where low friction and wear resistance are important. In addition, PTFE washers have a low coefficient of thermal expansion, which means that they can maintain their shape and sealing properties over a wide range of temperatures.
Another important property of PTFE washers is their excellent electrical insulation properties. PTFE is a very good insulator and has a high dielectric strength, which makes it ideal for use in electrical applications where high voltage and current are present.
PTFE washers are also very durable and long-lasting. They are resistant to degradation from UV radiation and can withstand exposure to a wide range of environmental conditions without degrading or losing their sealing properties. Additionally, PTFE washers are easy to machine and shape, which allows for precise manufacturing and customized designs.
In summary, the unique properties of PTFE washers include excellent chemical resistance, high temperature resistance, low friction properties, low coefficient of thermal expansion, excellent electrical insulation properties, durability, and ease of machining. These properties make PTFE washers ideal for use in a wide range of applications, including chemical processing, electrical equipment, and high-temperature environments.
We are offering ptfe parts.
PTFE insulators are used primarily because of their superior dielectric properties especially at high radar and microwave
frequencies. PTFE also works in a wide temperature from –180°C to +260°C.
| character | PTFE | FEP | PFA | PVDF |
| specific gracity | 2.13-2.22 | 2.12-2.17 | 2.12-2.17 | 1.76-1.78 |
| melting point(℃) | 327 | 270 | 302-310 | 173-175 |
| maximum continous user temperature(℃) | 260 | 200 | 260 | 150 |
| tensile strength(mpa) | 20-45 | 19-22 | 27-35 | 39-59 |
| coefficient of elongation(%) | 200-450 | 250-330 | 280-400 | 300-450 |
| dielectric constant 10^3HZ 10^6HZ |
2.1 2.1 |
2.1 2.1 |
2.1 2.1 |
7.72 6.43 |
| volume resistance(Ω-CM) | >10^18 | >10^18 | >10^18 | >10^14 |
| dielectric breakdown strength v/mil |
480 | 500-600 | 500 | 260 |
2. Applications:
PTFE washers have several advantages in the field of RF coaxial connectors. These advantages are due to the unique properties of PTFE, which make it an ideal material for use in RF applications.
First and foremost, PTFE washers have excellent electrical insulation properties. This is crucial in RF connectors, where it is necessary to maintain a high level of electrical isolation between different parts of the connector. PTFE has a very low dielectric constant, which means that it does not conduct electricity very well. This makes it an ideal material for insulating components in RF connectors.
In addition to its excellent insulation properties, PTFE is also highly resistant to heat and chemicals. This means that it can withstand the high temperatures and corrosive environments that are often encountered in RF applications. PTFE washers are also highly durable and can withstand repeated use and exposure to harsh conditions without degrading or losing their performance.
Another advantage of PTFE washers in RF coaxial connectors is their low coefficient of friction. This property helps to reduce wear and tear on the connector components, which can lead to longer lifetimes and improved reliability. Additionally, PTFE washers have a high compressive strength, which helps to maintain a tight seal between the connector components even under high pressure.
Finally, PTFE washers are very easy to machine and shape, which makes them ideal for use in complex RF connector designs. They can be machined to very tight tolerances and complex shapes without sacrificing their performance or durability.
In conclusion, PTFE washers offer several advantages in the field of RF coaxial connectors, including excellent electrical insulation properties, resistance to heat and chemicals, durability, low coefficient of friction, high compressive strength, and ease of machining. These advantages make them an ideal choice for a wide range of RF connector applications, from simple cable connectors to complex microwave components.
The Materials DEHAO Machines:
| The Materials DEHAO Machines: | |||||
| ABS | PC | PVC | PE | HDPE | UHMWPE |
| PMMA | PP | PPE | PPO | Nylon | PA66 |
| POM | PET | PEI | PSU | PPSU | PVDF |
| PTFE | PFA | PCTFE | ETFE | ECTFE | PPS |
| PEEK | PAI | PI | PBI | Acetal | Noryl |
| Rexolite | Delrin | Rulon | Duratron | TECAPEEK | Torlon |
| Kel-F | Ultem | Vespel | TPX | ||
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