Knowledge What are the characteristics of PTFE with Carbon-Graphite Fill for aqueous fluid media?
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Tech Team · Kintek

Updated 1 month ago

What are the characteristics of PTFE with Carbon-Graphite Fill for aqueous fluid media?

Polytetrafluoroethylene (PTFE) with Carbon-Graphite Fill is a specialized material designed for demanding applications involving aqueous fluid media. Its unique properties make it suitable for high-temperature environments, offering excellent wear resistance and chemical compatibility. The material's black color and operational range from -250 to 600°F highlight its versatility, while its low mating metal wear ensures longevity in dynamic applications. These characteristics make it a preferred choice for industries requiring durable and reliable materials in fluid handling systems.

Key Points Explained:

  1. Material Composition and Appearance:

    • PTFE with Carbon-Graphite Fill is a composite material where PTFE is reinforced with carbon-graphite particles. This combination enhances the base properties of PTFE, such as its non-stick nature and chemical inertness.
    • The material is black in color due to the carbon-graphite filler, which also contributes to its improved mechanical properties.
  2. Temperature Range:

    • The material operates effectively between -250 to 600 degrees Fahrenheit, making it suitable for both cryogenic and high-temperature applications. This broad range ensures performance stability in varying environmental conditions.
  3. Wear Resistance:

    • With a wear resistance rating of 3-4 (depending on the specific formulation), PTFE with Carbon-Graphite Fill excels in applications where friction and abrasion are concerns. The carbon-graphite filler significantly reduces wear, extending the material's lifespan.
    • For applications requiring even higher wear resistance, consider PTFE mat alternatives with additional premium fillers.
  4. Low Mating Metal Wear:

    • The material's low mating metal wear property minimizes damage to opposing surfaces, which is crucial in dynamic applications like seals and bearings. This characteristic reduces maintenance costs and downtime.
  5. Chemical Compatibility:

    • PTFE with Carbon-Graphite Fill exhibits high chemical compatibility, especially in humid conditions and fluid applications. It resists degradation from most aqueous media, acids, and bases, making it ideal for chemical processing industries.
  6. Applications in Aqueous Fluid Media:

    • The material's resistance to water and other fluids makes it a top choice for pumps, valves, and seals in water treatment, pharmaceutical, and food processing industries.
    • Its ability to perform under high-speed reciprocating or rotary motions further broadens its applicability in fluid handling systems.
  7. Performance Variants:

    • Some formulations include additional premium fillers, enhancing wear characteristics and reducing the coefficient of friction. These variants are particularly suited for high-speed applications.
    • The operational temperature and wear resistance can vary slightly based on the specific filler composition, so it's essential to select the right grade for your application.

Summary Table:

Property Description
Material Composition PTFE reinforced with carbon-graphite particles, black in color.
Temperature Range -250°F to 600°F, suitable for cryogenic and high-temperature environments.
Wear Resistance Rated 3-4, excellent for high-friction applications.
Low Mating Metal Wear Minimizes damage to opposing surfaces, ideal for dynamic applications.
Chemical Compatibility Resistant to aqueous media, acids, and bases.
Applications Pumps, valves, seals in water treatment, pharmaceuticals, and food processing.

Upgrade your fluid handling systems with KINTEK's precision-engineered PTFE components! Our PTFE with Carbon-Graphite Fill offers unmatched durability, chemical resistance, and performance in extreme temperatures. Whether you need standard or custom solutions for semiconductors, medical devices, or industrial applications, we deliver high-quality materials tailored to your needs. Contact us today to discuss your project requirements and discover how KINTEK can enhance your operations!

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