... m ~ 50μm.Applications:Mainly used in petroleum, chemical, automotive, aircraft, marine industrial filtration gases, liquids, ... elements.Main Application1. Polyester melt purification in chemical fiber and membrane industries.2. High temperature filtration ... heatL. Breathable protectionM. Pharmaceutical , medicineN. ChemicalO. Chemical fiberP. Filtration for high temperature environmentQ. High pressure ...