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    Polyester needle felt filter bag with membrane

    Polyester needle felt filter bag with membrane

    The polyester film covered filter bag is made of high-quality polyester fiber and produced by our mature needling technology and German host equipment to meet the requirements of working conditions. In order to improve the use effect of filter material and meet the requirements of specific working conditions, the surface of filter material is treated with PTFE membrane. The micropores on the surface of PTFE coated filter material are small and uniform, which can separate all dust larger than the micropore diameter, and it is easy to meet the emission requirements of working conditions.
    Polyester needle felt coated filter bag can be used for flue gas occasions with high filtration accuracy. Compared with the ordinary filter bag, the filter bag after PTEF film coating and other post-treatment has the characteristics that the filter material is not easy to block the paste bag, the dust is easy to peel off, and the dust emission concentration is low. Therefore, the service life of the cloth bag can be prolonged and the ash cleaning cycle can be prolonged. Therefore, it can greatly save energy consumption and maintenance costs, and increase the output at the same time. Moderate temperature resistance grade, continuous working temperature ≤ 130 ℃, instantaneous temperature resistance 150 ℃.
    The features of polyester film covered filter bag are as follows:
    (1) The filter material adopts high-quality polyester fiber, which has good jitter when cleaning the dust, and the dust is easy to peel off; High porosity, good air permeability, high dust collection efficiency and long service life;
    (2) High strength and low elongation industrial silk is used as base cloth to greatly improve the strength;
    (3) PTFE membrane is used to reduce the pore size, high porosity and high filtration precision;
    (4) Excellent polyester (polyester) fiber is selected to enhance the acid and alkali resistance, hydrolysis resistance and wear resistance of the filter material;
    (5) The filter material is impregnated with PTFE and coated on the surface, which improves the waterproof and oil proof performance;
    (6) Suitable for working conditions with high humidity, low energy consumption and low maintenance cost;


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