... N66 Roll Membrane: 1.Material: N66 2.Pore Size: 0.20um, 0.45um, 1um, 3um, 5um 3.Width: 310mm SPECIFICATION:1.MATERIAL: N66 ... (Nylon) 2.PORE SIZE: 0.20um, 0.45um, 1um, 3um, 5um 3.WIDTHE: 310mm Remark: Membrane ... refer to our showroom. FEATURES: 1. Nylon membrane possesses extremely good mechanic strength and strong adsorption. ... we usually apply CN-CA membrane, which is more suitable. N66 Roll Membrane