... PES 4. PVDF, Glass Fiber 5. PP , CA MCE disc filter membrane: High porosityHigh protein binding can be blocked by pretreatment ... collection and analysisWhite8 product name membrane filter material diameter (mm)pore diameter(μm)Nylon syringe filter Nylon13, 25, 330.22, ... 25, 330.22, 0.45PVDF syringe filter Polyvinylidene Fluoride13, 250.22, 0.45PP syringe filter polypropylene13, 250.22, 0.45Glass Fiber ...