Kel-F
PCTFEKel-F® (PCTFE) is valued for its ultra-low gas permeability and resistance to moisture absorption.
It’s a preferred material in aerospace, medical, and cryogenic applications where purity and dimensional stability are essential.
Polychlorotrifluoroethylene (PCTFE), sold under the brand name Kel-F®, is a melt-processable fluoropolymer that combines chemical inertness with excellent mechanical strength. It offers a rare combination of low vapor transmission, thermal stability, and machinability, making it ideal for precision parts exposed to extreme conditions, especially in high-purity or vacuum environments.
- Chemical Resistance: PCTFE is highly resistant to a wide range of aggressive chemicals, acids, bases, and solvents, making it ideal for applications in chemically harsh environments.
- Low Permeability: PCTFE has extremely low gas permeability, making it suitable for applications where maintaining a hermetic seal or barrier against gases is crucial.
- High-Temperature Resistance: PCTFE materials offer good thermal stability and can withstand elevated temperatures without significant degradation.
- Mechanical Strength: PCTFE has good mechanical strength, toughness, and impact resistance, contributing to its durability in various applications.
- Electrical Insulation: PCTFE is an effective electrical insulator, making it suitable for applications that require electrical insulation and thermal stability.
- Low Friction: PCTFE materials have a low coefficient of friction, making them suitable for applications requiring reduced friction and wear.
- Transparency: Some PCTFE grades exhibit good optical clarity, making them suitable for applications where visual observation is important.
- Valve Components: PCTFE is used in valve seats, seals, diaphragms, and other valve components due to its chemical resistance and ability to maintain reliable seals.
- Gaskets and Seals: PCTFE is employed in gaskets, O-rings, and seals in applications requiring chemical resistance and gas impermeability.
- Bearings and Bushings: PCTFE materials find use in bearing and bushing applications due to their low friction, wear resistance, and self-lubricating properties.
- Electrical Components: PCTFE is utilized in electrical connectors, insulators, and wire coatings due to its electrical insulation and thermal stability properties.
- Scientific Instruments: PCTFE is used in scientific instruments and equipment requiring chemical resistance, low permeability, and dimensional stability.
With its balance of chemical resistance, barrier properties, and mechanical integrity, Kel-F® is a reliable choice for machined components in high-performance systems. From sealing surfaces to insulation and containment parts, it consistently meets the demands of critical industries.