Ultrafiltration membrane is a kind of microporous membrane with uniform pore size and rated pore size of 0.001-0.02 micron. Ultrafiltration membranes are widely used, which can be used in filtering industries. The application fields are as follows:

1. Pure water and ultra-pure water are used as reverse osmosis pretreatment and terminal treatment of ultra-pure water in the preparation process.

2. It is used to separate bacteria, heat sources, colloids, suspended impurities and macromolecules in industrial water.

3. Purification of drinking water and mineral water;

4. Concentration and purification of fermentation, enzyme preparation industry and pharmaceutical industry;

5. Concentration and separation of fruit juice;

6. Separation and concentration of soybeans, dairy products, sugar industry, liquor, tea juice, vinegar, etc.

7. Purification and recovery of industrial wastewater and domestic wastewater;

8. Recovery of electrophoretic paint;

9. Used in separation, concentration and purification of biological products, pharmaceutical products and food industry;

10. It is also used as a terminal treatment device in blood treatment, wastewater treatment and ultra-pure water preparation.