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PTFE Membrane

Product code:

PTFE

Johnson Test Papers’ PTFE membrane filters are composed of a polytetrafluoroethylene micro-porous film. They are used in various industrial applications such as biochemistry, air filtration in microelectronics and laboratory materials. They can also be used in the pharmaceutical industry, manufacture of pure water, dairy and beverage industries, chemical reagent manufacture, purification, separation of antibacterial fluid and air conditioning units in hospitals and commercial buildings.

Key Features
  • PTFE membrane with a polyester or polypropylene supporting layer
  • Used for successful filtration of microorganisms and other particulates
  • Wide chemical compatibility
  • High temperature resistance
  • Low starting resistance
Applications
  • Filtration of strong acids and aggressive solutions
  • Ventilation processes
  • Phase separation
  • Aerosol sampling

Membrane Material Support Pore Size (µm) Average Bubble Point(Mpa) Flow Rate (25°C) Δp = 0.07 Mpa 
(mL/min/cm2)  
     
Thickness (um)
Membrane Material PTFE Hydrophobic SupportPP
Pore Size (µm) 0.22 Average Bubble Point(Mpa) 0.13-0.17

( Alcohol )

Flow Rate (25°C) Δp = 0.07 Mpa 
(mL/min/cm2)       
17-22
Thickness (um) 140-190
Pore Size (µm) 0.45 Average Bubble Point(Mpa) 0.08-0.12

( Alcohol )

Flow Rate (25°C) Δp = 0.07 Mpa 
(mL/min/cm2)       
35-45
Membrane Material PTFE Hydrophilic SupportPP Pore Size (µm) 0.22 Average Bubble Point(Mpa) 0.34-0.45

(Water)

Flow Rate (25°C) Δp = 0.07 Mpa 
(mL/min/cm2)       
10-18
Thickness (um)140-190
Pore Size (µm) 0.45 Average Bubble Point(Mpa) 0.2-0.3

(Water)

Flow Rate (25°C) Δp = 0.07 Mpa 
(mL/min/cm2)       
25-35
In stockIn stock
Product Code Sterile Pore Size Diameter (mm) Pack Size In Stock Price Qty
product code PTFEM047020 sterile No pore size 0.20μ diameter (mm) 47 pack size 100
10 - 15 days lead time
Price £64.99 Quantity
product code PTFEM047045 sterile No pore size 0.45μ diameter (mm) 47 pack size 100
10 - 15 days lead time
Price £68.99 Quantity

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