Key Characteristics of PTFE Washers:
Excellent Chemical Resistance: PTFE is renowned for its exceptional resistance to a wide range of chemicals, making PTFE washers suitable for use in industries where exposure to corrosive substances is a concern. They remain unaffected by acids, bases, solvents, and other aggressive materials, ensuring a long-lasting and reliable seal.
Superior Temperature Tolerance: PTFE washers have an impressive temperature tolerance, with the ability to perform in both extremely high and low-temperature environments. They can endure temperatures ranging from -260°C to 260°C (-436°F to 500°F) without losing their sealing properties, making them ideal for a variety of applications, including those involving cryogenic fluids or high-temperature processes.
Low Friction Coefficient: PTFE is known for its low coefficient of friction, which results in reduced wear and tear on the washer. This property is particularly beneficial in dynamic applications where minimal friction is required, such as in mechanical and automotive systems.
Non-Stick Surface: PTFE has a non-stick surface, which means it is highly resistant to adhesion and contamination by other substances. This characteristic is advantageous in applications where cleanliness and purity are essential.
Applications of PTFE Washers:
Hydraulic Systems: PTFE washers are commonly used in hydraulic systems to provide a reliable seal for fluid connections. Their chemical resistance ensures that they can handle hydraulic fluids without degradation.
Electrical Insulation: Due to their excellent dielectric properties, PTFE washers are employed in electrical applications to insulate and protect electrical components from moisture, chemicals, and heat.
Food Processing: PTFE washers are utilized in the food industry for their non-stick and chemical resistance properties. They help prevent contamination and ensure the integrity of food processing equipment.
Medical Devices: PTFE washers are essential in medical equipment, where biocompatibility, chemical resistance, and non-stick properties are vital. They are used in applications such as pumps, valves, and various medical instruments.
Aerospace and Automotive: PTFE washers are employed in critical aerospace and automotive applications where temperature extremes and chemical exposure are common. They are used in areas like fuel systems, engines, and braking systems.
Property | Value |
---|---|
Material | Polytetrafluoroethylene (PTFE) |
Temperature Range | -260°C to 260°C (-436°F to 500°F) |
Chemical Resistance | Excellent |
Coefficient of Friction | Low |
Dielectric Strength | High |
Surface Finish | Smooth, Non-Stick |
Hardness | Shore D 55-65 |
Thickness Range | 0.5 mm to 5 mm (custom thickness available) |
Size Range | Customizable |
Choosing Teflon valves for your applications offers several compelling reasons
These washers maintain their structural integrity at elevated temperatures, ensuring reliable performance.
Washers are built to last, requiring minimal maintenance, reducing downtime, and lowering operational costs.
Washers find applications in chemical processing, petrochemicals, pharmaceuticals, food and beverage, and many other industries.