【Non-woven fabric】Processing procedure

Non-woven fabric, also known as non-woven fabric, is a new type of environmentally friendly material, widely used in all aspects of life. Then everyone must be curious about the processing procedures of non-woven fabrics. Below, XinYu Non-woven will lead you to understand.

Non-woven fabrics are made of polyester and polypropylene materials, which are carded, combed, pre-needle punched, and main needle punched. A mesh cloth interlayer is added in the center, and then double-layered, air-laid and needle-punched to form a cloth. The filter cloth after pressing has a three-dimensional structure. The appearance is smooth, the micropores are evenly distributed, the density of the product is good from the outside, the double-sided surface is smooth and air-permeable, and the filter application on the plate and frame compressor has proved that high pressure can be used, and the filtration accuracy is up to 4 microns. Users need to supply polypropylene and polyester two kinds of materials. Practice has proved that non-woven filter cloth functions very well in plate and frame filtration: for example, coal slime treatment in coal preparation plants, and wastewater treatment in iron and steel plants. Wastewater treatment in breweries, printing and dyeing plants. If other standard filter cloths are used, the filter cake will not be pressed dry and will be difficult to drop. After using non-woven filter cloth, the filter cake will be dry when the pressure of the filter machine reaches 10kg-12kg, and when the filter machine is opened, the filter cake will be dry. Pies will automatically drop. When selecting non-woven filter cloths, users should first consider non-woven filter cloths of different thickness and quality according to air permeability, filtration accuracy, elongation, etc. For product parameters, please click polyester needled felt and polypropylene needled felt, standard types can be formulated.

Needle-punched non-woven products are formed by fine finishing, repeated fine needle punching or proper hot rolling. On the basis of the introduction of two high-precision acupuncture production lines from China and abroad, high-quality fibers are selected. Through the coordination of different production processes and the matching of different materials, hundreds of different products are now circulating on the market, mainly including: geotextiles, geomembranes, velvet cloth, speaker blankets, electric blanket cotton, embroidery cotton, clothing Cotton, Christmas handicrafts, artificial leather base cloth, special cloth for filtering materials.

The above is the non-woven fabric processing procedure that XinYu Non-woven told you, please keep in mind. At the same time, I hope that everyone can have a better understanding of this aspect.

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