Made from polyester and polypropylene raw materials, it undergoes rough combing, combing, pre needling, and is mainly used for needling. The center is equipped with a mesh sandwich layer, which is then subjected to double core processing and airflow to form a mesh and needle punched composite fabric. The pressure filter fabric has a three-dimensional structure, which is heat set and singed. After being treated with a chemical oil agent on the surface, the surface of the filter fabric is smooth and the distribution of micropores is uniform. From the surface, the density of the product is good, and the surfaces on both sides are smooth and breathable. It has been proven to be used in a plate and frame compressor for filtration, and can use high-strength pressure with a filtration accuracy of up to 4 microns or less. Two types of raw materials, polypropylene and polyester, can be provided according to user needs. Practice has proven that non-woven filter cloth performs better in plate and frame pressure filtration, such as coal slurry treatment in coal preparation plants and wastewater treatment in steel plants. Wastewater treatment in breweries and printing and dyeing factories. If other specifications of filter cloth are used, the problem of filter cake not drying and difficult to fall off will occur. After using non-woven filter cloth, the filter cake is quite dry when the filter pressure reaches 10kg-12kg, and the filter cake will automatically fall off when the filter frame is opened. When users choose non-woven filter cloth, they mainly consider different thicknesses and qualities of non-woven filter cloth based on air permeability, filtration accuracy, elongation, etc. Product parameters can be specified for polyester needle punched felt and polypropylene needle punched felt, with specifications and varieties available.

The needle punched non-woven fabric series products are formed through fine combing, multiple precise needle punctures, or appropriate hot rolling treatment. On the basis of introducing two high-precision needle punching production lines at home and abroad, high-quality fibers are selected. Through the combination of different production processes and materials, hundreds of different products are circulating in the market, mainly including geotextiles, geotextiles, flannel fabrics, speaker blankets, electric blanket cotton, embroidered cotton, clothing cotton, Christmas handicrafts, leather base fabrics, and filter material specific fabrics

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