... of pressure, dissolvent or small molecular can permeate membrane and become product liquid by collection, while large ... process of separating, concentrating, and purifying substance;Ultrafiltration (UF) Membrane FiltersItem: UFM90, UFM160, UFM200, UFM4040, UFM8040, UFM4021 Protective ... PVC Inlet / outlet dia. mm: 32, 40, 50 Membrane filtration mode: Internal force, external force Pure water flow rate ...