Non-woven fabric is a young and promising field in the textile industry. my country's non-woven fabric industry started late, but it has developed rapidly. The non-woven fabrics in the early stage of development are mainly used in the clothing industry as auxiliary materials. With the rapid development of social economy and science and technology, new products and new technologies of non-woven fabrics are emerging in endlessly, changing with each passing day, and the scope of application is increasing.

The exact name of non-woven fabric should be non-woven fabric, or non-woven fabric. The Chinese standard GB/T5709-1997 "Textile Nonwovens Terminology" defines nonwovens as: oriented or randomly arranged fibers, which are combined by friction, cohesion, or bonding, or a combination of these methods. Materials, webs or pads, excluding paper, woven fabrics, knitted fabrics, tufted fabrics and wet felt products. Because it is a fabric that does not need to be spun and weaves, it just oriented or randomly arrange the textile short fibers or filaments to form a web structure, which is then reinforced by mechanical, thermal bonding or chemical methods.

Classification of non-woven fabrics
Non-woven fabric breaks through the traditional textile principle, and has the characteristics of short process flow, fast production speed, high output, low cost, wide use, and multiple sources of raw materials. It is a new generation of environmentally friendly materials with water repellent, breathable, flexible, and non-woven Combustion-supporting, non-toxic, non-irritating, and rich in color.

The fibers used in the production of non-woven fabrics are mainly polypropylene (PP) and polyester (PET). In addition, there are nylon (PA), viscose fiber, acrylic fiber, polyethylene fiber (HDPE), and chlorine fiber (PVC).

According to application requirements: non-woven fabrics are divided into two categories: disposable application type and durable type.
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