Maximum Operating Temperature. GHP, GHP GF, Nylon, Nylon GF, PES, and 13 mm PVDF: 55 C (131 F). PTFE, and 25 mm PVDF: 100 C (212 F). Glass Fiber: 135 C (275 Acrodisc® PSF Syringe Filters. pressures to avoid filter burst during use. Versatile – Available with GHP hydrophilic polypropylene membrane for maximum chemical compatibility, fast flow Sample Preparation