Needled punched nonwovens is using staggered and spatial uniformity of cloth, making with polyester staple fiber and polyester yarn, then after-processing for hot-rolled, singeing and coating to make surface smooth and easy.

The material, which is large voids, good permeability, widely use and high chemical stability, can be widely used in filter water, oil and other liquid solid separation, especially normal temperature gas and acidic and basic gas.