Filter paper is the general term for ultra-thin filter materials. Filter paper can be made of various fiber materials, including wood pulp paper (made from plant fiber), ptfe high-efficiency filter paper, and glass fiber paper (made from ultra-fine glass fiber). Made of), PP paper (made of ultra-fine polypropylene material), etc.
Non-woven fabrics are originally formed by spinning and stacking a chemical fiber material, which is different from the textile forming principle, so it is called non-woven fabrics (also called non-woven fabrics, non-woven fabrics).
It was first used as clothing material and was later borrowed as filter material.
</p