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Polyester Needle-Punched Felt Bag

  • Polyester Needle-Punched Felt Bag

    Polyester Needle-Punched Felt Bag

    Polyester needled felt (dust removal filter bag) is made of non-woven needling processing technology, that is, the fabric base cloth as the core material is spread on both sides of the fiber layer of uniform density after carding, and then with the needle with the back point to prick, the fiber of the base cloth is complexed, and made after singing, heat setting, calendering and other finishing processes.