MEMBRANE FILTER

Sizes:

  1. Pore Size:
    • Membrane filters are available in a range of pore sizes, typically measured in micrometers (microns). Common pore sizes include 0.2 μm and 0.45 μm, but smaller or larger sizes are also available.
  2. Diameter:
    • Membrane filters come in different diameters, with standard sizes such as 25 mm, 47 mm, and 90 mm being commonly used. The choice of diameter depends on the specific application and the volume of fluid to be filtered.

Description

  1. Precise Particle Retention:
    • Membrane filters provide precise particle retention based on the selected pore size, making them effective for the removal of microorganisms, bacteria, and particles.
  2. Sterilization:
    • Membrane filters with smaller pore sizes, such as 0.2 μm, are often used for sterile filtration, ensuring the removal of bacteria and other contaminants to achieve sterile conditions.
  3. High Flow Rates:
    • Some membrane filters are designed to allow high flow rates while maintaining efficient filtration. This is important for processes that require rapid filtration without compromising the quality of the filtrate.
  4. Chemical Compatibility:
    • Membrane filters are available in various materials (e.g., cellulose acetate, polyethersulfone, polyvinylidene fluoride) that offer compatibility with different chemicals and solvents, ensuring minimal interference with the process fluid.
  5. Versatility:
    • Membrane filters are versatile and can be used for a wide range of applications, including microbiological analysis, sterile filtration of liquids, and clarification of solutions.
  6. Low Extractables:
    • High-quality membrane filters are designed with low extractable levels, minimizing the risk of introducing unwanted substances into the filtered fluid.
  7. Ease of Handling:
    • Membrane filters are typically easy to handle and install, with many designed for use in standard filter holders or filtration systems.
  8. Consistent Quality:
    • Membrane filters provide consistent and reproducible filtration results, contributing to the overall quality and reliability of the filtration process.
  9. Retention of Microorganisms:
    • Membrane filters are capable of retaining microorganisms, ensuring that the filtrate is free from bacteria and other contaminants.
  10. Validation and Compliance:
    • Membrane filters are often designed to meet industry standards and regulatory requirements. They can be validated for specific applications, facilitating compliance with quality control protocols.
  11. Reduced Biofilm Formation:
    • Some membrane filters are designed to resist biofilm formation, reducing the risk of microbial growth and extending the filter’s service life.
  12. Bubble Point Testing:
    • Membrane filters can undergo bubble point testing, a method used to assess the integrity of the membrane and ensure its suitability for specific applications.
  13. Gamma Irradiation Compatibility:
    • Certain membrane filters are compatible with gamma irradiation, an essential process for sterilizing filters used in critical applications.
  14. Wettability Options:
    • Membrane filters may be available with different wettability options (hydrophilic or hydrophobic) to suit the characteristics of the process fluid.
  15. Scalability:
    • Membrane filters are scalable and can be used in laboratory-scale applications as well as large-scale industrial processes.
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