Hollow and Flat Sheet Membranes

Hollow Fiber Membranes (HFMs) are a class of artificial membranes that contain a semi‑permeable barrier in the form of a hollow fiber. Originally developed in the 1960's for reverse osmosis applications, hollow fiber membranes have since become prevalent in water treatment, desalination, cell culture, medicine, and tissue engineering.

Most commercial hollow fiber membranes are packed into cartridges which can be used for a variety of liquid and gaseous separations. Flat Sheet polymeric membranes are also ideal for any process requiring the testing of a variety of separation techniques. The flat sheet polymeric membranes are available in different shapes including rectangles, squares, or pre-cut to fit any process.

PMI manufactures Hollow Fibre Spinning Apparatus and Flat Sheet Membrane Casting Machines for lab scale fabrication of membranes. PMI is also a pioneer in porosity measurement instruments for pore characterization of membranes.

Related Products: Capillary Flow Porometers, Liquid Liquid Porometers, Hollow Fibre Spinning Machine, Flat Sheet Casting Machine, Aquapore Water Intrusion Porosimeter.

Related Publications: H. Shi, F. Liu, and L Xue, “Fabrication and characterization of antibacterial PVDF hollow fibre membrane by doping Ag-loaded zeolites”, J. Membr. Sci., 437, 205–215 (2013); A. Jena and K. Gupta, “An innovative technique for pore structure analysis of fuel cell and battery components using flow porometry”, 96, 214–219 (2001); D. Li, M. W. Frey, and Y. L. Joo, “Characterization of nanofibrous membranes with capillary flow porometry”, J. Membr. Sci., 286, 104–114 (2006).