The most important one in the dust removal equipment is the filter material. The contents and basis of the filter material inspection mainly have the following points:
　　1. The shape of the filter material
　　2. Mechanical properties of the filter material
　　3. Fluid dynamic performance of the filter material
　　4. Filter material filtration performance
　　5. Physical properties of filter media
　　6. Filter material chemical properties
　　In order to ensure the quality of the filter material in the dust removal equipment, the quality supervision department of the filter material production plant must also check the quality of the raw materials used in the filter material, the yarn sampling inspection, and the quality control of the semi-finished and finished products of the filter material. The material is sampled.