High Insulation Material: PTFE Round Rod Guide

Introduction to PTFE Round Rod

PTFE (Polytetrafluoroethylene) is one of the most versatile materials used in industries requiring superior chemical resistance, high-temperature stability, and low friction properties. The PTFE round rod is a key product manufactured from this high-performance material, and it’s widely used for applications in harsh chemical environments. Known for its excellent electrical insulation properties, non-stick characteristics, and exceptional resistance to wear, PTFE round rods offer an ideal solution for sealing components, bearings, bushings, and other mechanical parts.

Key Features of PTFE Round Rod

• Chemical Inertness: PTFE round rods are highly resistant to nearly all acids, alkalis, and organic solvents, making them ideal for use in corrosive environments.

• Low Friction: These rods offer an extremely low friction coefficient, which makes them perfect for applications requiring smooth movement and reduced wear.

• Self-Lubricating: PTFE’s natural self-lubricating properties minimize the need for external lubrication and provide long-lasting performance.

• Superficie antiadherente: The smooth, non-stick surface ensures minimal material adhesion, which is essential for applications involving powders or viscous liquids.

• Excellent Weather Resistance: PTFE round rods maintain their performance even when exposed to outdoor elements, making them durable in challenging conditions.

• Aislamiento eléctrico: With a dielectric strength of 10 kV/mm, PTFE is an excellent electrical insulator, providing safety and performance in electrical applications.

Applications of PTFE Round Rod

PTFE round rods are primarily used in industries such as:

• Chemical Processing: Seals, gaskets, and liners for tanks and pipes.

• Automotive: Bearings, bushings, and wear-resistant components.

• Electrical: Insulation parts for high-voltage applications.

• Food and Pharmaceutical Industries: Gaskets, seals, and components used in clean, non-stick environments.

Physical Properties of PTFE Round Rod

• Densidad: 2.1-2.3 g/cm³

• Resistencia a la tracción: ≥ 15.0 MPa

• Alargamiento a la rotura: ≥ 150%

• Absorción de agua: < 0.01%

• Rigidez dieléctrica: 10 kV/mm

• Contraction Percentage: < 0.4%

• Working Temperature: -200°C to +260°C, suitable for a wide range of temperatures.

Performance in Different Conditions

PTFE round rods perform exceptionally well under varying pressures and temperatures. They are suitable for static sealing in environments with moderate pressure (several MPa to over ten MPa). However, their mechanical strength may decrease at higher temperatures or speeds. The material’s flexibility allows it to function in both low-pressure and high-pressure scenarios, depending on the conditions.

Conclusión

The PTFE round rod is a highly durable, chemically resistant, and versatile component ideal for a wide range of industrial applications. Its ability to withstand extreme conditions, coupled with its low friction and excellent electrical insulation properties, makes it a preferred choice in demanding industries.