Lab cellulose acetate micropore ptfe filter membrane 0.45 um nylon 47 mm microporous. Microporous membranes include, mixed cellulose (MCE), cellulose acetate (CA), nylon (PA/NYLON), polypropylene (PP), polyethersulfone (PES), polyvinylidene fluoride ( PVDF) material, PTFE material, polycarbonate (PC film, nuclear perforated) material, glass fiber (GLASS FIBER) material.