The dust removal effect of pulse bag filter is related to many factors, but mainly depends on the filter material. The filter material of bag filter is cloth or felt woven from synthetic fiber, natural fiber or glass fiber. Sew cloth or felt into the cylinder or flat filter bag as required. According to the properties of flue gas, filter materials suitable for application conditions are selected. Tian Ming Environmental Protection Engineering Co., Ltd. reminds all bosses to pay attention when choosing. Usually, when the flue gas temperature is lower than 120℃ and the filter material is required to have acid resistance and durability, polyester flannel and polyester needled felt are often selected; In the treatment of high temperature flue gas (