... high quality and high strength, high purity. offer PES, MEC NYLON PTFE, Glass Fiber, CA, PVDF filter membrane: membrane filter pore ... optionPES0.05-0.6513, 25,47,90,142,293MCE0.05-0.65 13, 25,47,90,142,293Nylon0.1-5.013, 25 ... ,47,90,142,293PTFE0.1-3.013, 25 ... ,47,90,142,293GlassFiber0.5,1.0,2.013 ...