... 5micron 4. Material: polypropylene Introduction:PP melt-blown filter cartridge(PPF) is made from polypropylene material. It can ... Move suspended substances, particles and rust effectively. 2. Water pre-filtration3. Wide chemical compatibility4. Pressure-proof5. High ... RO system, solvent, chemical industry, oil industry, drinking water treatment, electronic and power industries, plating, food and ...