wide use, strong chemical stability. Not only can filter normal temperature or high temperature gas, but also can filter acid and alkali corrosive gas, can filter water, filter oil. Needle-punched filter felt is widely used in metallurgy, chemical industry, building materials, smelting, power generation, ceramics, machinery, mining, petroleum, medicine, dye, food, food processing and other industries, material recovery, smoke treatment of liquid-solid separation and other fields, is an ideal gas purification and filtration material and liquid-solid separation medium.
