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In particular, it is extremely chemically inert and has strong chemical resistance(brown fused alumina). There are multiple definitions of nonwovens. Compared with the traditional textile industry, the non-woven fabric industry is at a rising stage of development, and its application areas are expanding(brown fused aluminum oxide factory). The earliest naming of non-woven fabrics was proposed by an American company, that is, "Duansheyouyou Shangbolu, abbreviated as "Biaobu Zengxiong E".

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For example, my country calls it non-woven fabrics(brown aluminum oxide), non-woven fabrics and non-woven materials, and Japan calls it "non-woven fabrics."  Although papermaking also meets this definition, it is traditionally not considered to be a non-woven fabric. According to the web forming method, it can be divided into dry web forming, wet web forming, and polymer extrusion web forming. In addition, blankets are also excluded from non-woven fabrics(green silicon carbide). The state of placement or orientation.

(cheap brown corundum abrasive manufacturers russia)Dry laying is divided into mechanical laying and air laying(brown aluminium oxide). The "Wellington Industrial Textile Handbook" published in the United States believes that the reasonable definition of nonwoven fabric is: an intermediate fiber product that is directly made of fiber mesh or film and does not use weaving or knitting to form yarn(aluminum oxide grit). Some people in the world have proposed another definition of non-woven fabric: non-woven fabric is a textile composed of fiber layers.

The fiber layer is a carded net or a thin fiber net made directly by spinning, and the fibers are scattered in the net(white alumina). In the term "nonwoven fabrics for swallowing and swallowing" proposed by Japan in the Year of the Era of Loss, nonwovens are defined as follows: in fiber sheets, nets or batting(black silicon carbide), the fibers are oriented or randomly laid, and relying on mutual entanglement or fusion force Or bonding, a thing formed by combining fibers with each other.(cheap brown corundum abrasive manufacturers russia)

After the dry-laid web is processed by chemical, mechanical, solvent or thermal bonding, it becomes a dimensionally stable nonwoven fabric(black aluminum oxide). Wet-laid web uses water as the medium to suspend short fibers uniformly in water, and then with the help of water flow, the fibers are deposited on the water-permeable curtain belt or porous drum to form a wet fiber web(synthetic corundum). Representative spinning methods include melt spinning, dry spinning and wet spinning and other web forming processes.

(cheap brown corundum abrasive manufacturers russia)Polymer extrusion into a network uses the principle and equipment of polymer extrusion(pink aluminum oxide). According to the reinforcement process of the fiber web, it is divided into three categories: mechanical reinforcement, chemical bonding, and thermal bonding. They can be used alone or in combination. The natural fibers used in non-woven fabrics are divided into cellulose fibers (cotton fibers, hemp fibers and coconut shell fibers) and protein fibers(aluminum oxide abrasive). Later, countries all translated this word into their own languages.

Austrian Lenzing Company uses a patented method to produce a broken and rectangular shape, equivalent to the fineness of the whip(silicon carbide abrasive). The fibrous filter material made by acupuncture method has the advantage of high filtration efficiency and can be used continuously under Yuanyi(emery abrasive). There are three varieties of continuous filament, short fiber and short fleece, and the filter media made of them have played special performance in chemical engineering.(cheap brown corundum abrasive manufacturers russia)