A guide for wholesalers to import safe microporous filter membranes from China, covering extractables (E&L) testing and safety compliance. Read More

Nylon and polyethersulfone (PES) are both hydrophilic membrane materials used for liquid filtration. Their similar appearance and overlapping pore sizes can make them seem interchangeable, but the way they behave in a real process is not always the same.PES is often selected for protein-containing a Read More

Choosing a high flow filter cartridge manufacturer is not simply a matter of comparing brand names. The cartridge must suit your liquid, flow rate, contaminant load and filtration target. If you are replacing an existing element, it must also match the housing, seal and flow direction. A small diffe Read More

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Stop wasting budget. LOONG Filtration reveals the TCO & safety logic of PTFE vs PES for smart buyers. Read More