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PTFE packing is widely used in valves, pumps, and other rotary or reciprocating equipment to provide a durable, leak-proof seal that resists aggressive chemicals, high temperatures, and friction.

PTFE O-rings are manufactured in an extensive variety of sizes, encompassing standard AS568 inch-series dash numbers, widely used metric dimensions, and fully custom configurations to meet specific sealing requirements, with common cross-sections ranging from approximately 1 mm to over 10 mm and inner diameters available from a few millimeters up to several hundred millimeters.

A PTFE ball typically has a density around 2.2 g/cm³, though the exact value can vary slightly based on the specific grade and manufacturing process of the polytetrafluoroethylene.

PTFE tape may leak if applied incorrectly, such as wrapping against the thread direction, using too little or too much tape, or failing to cover all the threads properly. Other causes include using the wrong tape grade for the pipe material or fluid type, and damaged or deteriorated tape.

Searching for a reliable source of expanded PTFE sheets? This guide covers key material properties, typical applications, and trusted suppliers to help you find the right product for your needs.

Expanded PTFE tape thickness typically ranges from 0.1 mm to 1.0 mm, with common variations like 0.2 mm for thread sealing and thicker versions up to 0.5 mm or more for gasket and flange applications. The precise thickness depends on the intended use, required compression, and sealing performance.

This article explains the maximum pressure rating of FEP tubes and how factors such as tube dimensions, wall thickness, and operating temperature affect safe pressure limits.

This article examines potential substitutes for polytetrafluoroethylene (PTFE) across different applications, focusing on materials like ceramic coatings, silicone, and other fluoropolymers.

Expanded PTFE products are designed for exceptional durability, with a typical lifespan ranging from 20 to 30 years or more under proper conditions. Their inert properties, resistance to UV radiation, extreme temperatures, and chemical degradation allow them to maintain performance in demanding environments such as industrial sealing, medical implants, and outdoor applications without significant deterioration.

FEP stands out among fluoropolymers for its melt-processability, excellent transparency, and superior electrical insulation, while retaining near-universal chemical resistance and low friction.