1. Weight is 60-200g; the maximum width can reach 520cm;
2. Material types include polyester (PET), polyphenylene sulfide (PPS), polyimide (PI), aramid (Aramid), polytetrafluoroethylene (PTFE), polyacrylonitrile (Dolanit Acylic), polypropylene ( PP), nylon (Nylon) and antistatic blended base fabrics of various materials;
3. Improve the tensile strength of the needle felt and prolong the life of the filter bag. It is the "reinforced iron bone" of the filter bag.