Knowledge What are the available grades of PTFE balls? Choose the Right Grade for Your Application
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Tech Team · Kintek

Updated 1 month ago

What are the available grades of PTFE balls? Choose the Right Grade for Your Application

PTFE balls are versatile components used in various industries due to their chemical resistance, low friction, and thermal stability. They come in different grades, primarily Virgin and Ultra-Modified, each tailored for specific applications. Virgin PTFE balls are made from pure PTFE, offering excellent chemical resistance and electrical insulation, while Ultra-Modified PTFE balls incorporate fillers to enhance mechanical properties like wear resistance and load-bearing capacity. These balls are available in sizes from 1/8 inch to 8 inches, with tolerances varying based on size and precision requirements. Understanding these grades and specifications helps purchasers select the right PTFE balls for their needs.

Key Points Explained:

  1. Grades of PTFE Balls

    • Virgin PTFE: Pure PTFE without additives, ideal for applications requiring high chemical resistance and electrical insulation.
    • Ultra-Modified PTFE: Contains fillers (e.g., glass fibers, carbon) to improve wear resistance, thermal conductivity, and mechanical strength, suitable for high-stress environments.
  2. Size Range and Availability

    • PTFE balls are available in diameters from 1/8 inch to 8 inches.
    • Stock sizes may vary, but large quantities can be custom-produced to meet specific requirements.
  3. Tolerances

    • Standard diameter tolerance is ±5%, with precision tolerances specified per item.
    • Larger balls (e.g., >1 inch) typically have a tolerance of ±0.005 inch and a TIR (Total Indicator Reading) of 0.005 inch max.
    • Smaller balls can achieve tighter tolerances, with a TIR of 0.003 inch max.
  4. Applications

    • Virgin PTFE is used in chemical processing, electrical components, and food-grade applications.
    • Ultra-Modified PTFE is preferred for mechanical seals, bearings, and high-wear environments.

For more details on ptfe balls, explore their properties and applications to make an informed purchase decision.

Summary Table:

Grade Key Properties Common Applications
Virgin PTFE High chemical resistance, electrical insulation Chemical processing, electrical components, food-grade
Ultra-Modified PTFE Enhanced wear resistance, mechanical strength Mechanical seals, bearings, high-wear environments
Size Range Tolerances Precision Notes
1/8 inch to 8 inches ±5% standard, tighter for smaller sizes Larger balls: ±0.005" TIR; smaller: 0.003" TIR max

Need the perfect PTFE balls for your project? KINTEK specializes in high-performance PTFE components, including custom-sized balls for semiconductor, medical, and industrial applications. Our precision manufacturing ensures reliability, whether you need prototypes or bulk orders. Get a quote today and let us tailor a solution for you!

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