Needle-punched non-woven fabrics and spunlace non-woven fabrics belong to non-woven fabrics. Many people don’t know the difference between needle-punched and spunlace non-woven fabrics. Let’s talk about the difference between the two today.
▲ acupuncture non-woven
Needle-punched non-woven fabrics and spunlace non-woven fabrics are non-woven fabrics (also called non-woven fabrics), which are two of the dry/mechanical reinforcements in non-woven fabrics. As the name suggests, the biggest difference between the two processes is that in terms of reinforcement, one is mechanical needle reinforcement and the other is mechanical high-pressure water needle reinforcement. The difference in technology directly makes the finished product functional applications different.
▲ pre-oxidized fiber mat
The series of needle punched non-woven fabrics are formed through fine carding, multiple precision needle punching or proper hot rolling. Based on the introduction of high-precision acupuncture production lines at home and abroad, high-quality fibers are selected, through the coordination of different production processes, and the combination of different materials, hundreds of different products are currently circulating on the market, including: geotextile, geomembrane, Halberd flannel, speaker blanket, electric blanket cotton, embroidered cotton, clothing cotton, Christmas crafts, human leather base cloth, special cloth for filter materials.
Practice has proved that non-woven filter cloth has better performance in plate and frame pressure filtration: for example, coal slurry treatment in coal preparation plants, iron and steel plant wastewater treatment, and wastewater treatment in breweries, printing and dyeing plants. If other specifications of filter cloth are used, filter cake pressure will appear. The problem of non-drying and difficult to fall off. After using non-woven filter cloth, the filter cake will be 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 fabrics, they mainly customize non-woven filter fabrics of different thickness and quality according to air permeability, filtration accuracy, elongation, etc.
▲ aramid needle felt
The spunlace method, also known as the spunlace method, is an important non-woven fabric processing technology. Due to the unique process technology of the spunlace method, it is widely used in the fields of medical and health products, synthetic leather base fabrics, shirts, and home decorations. . At present, the main uses of spunlace cloth are three categories, namely medical, artificial leather and cleaning. Its sales direction: artificial leather spunlace cloth is mainly for domestic sales, medical spunlace cloth is mainly for export, and cleaning spunlace cloth Then exports and domestic sales each account for a part. Spunlace non-woven fabrics have more expensive raw materials, more delicate fabric surface, and the production process is cleaner than needle punching. It is widely used for sanitation, medical, sanitation and beauty.
The production weight of needle punched non-woven fabric is generally higher than that of spunlace non-woven fabric. Needle punching is generally thicker and the weight is generally more than 80 grams, the fiber is thicker, the hand feel is rougher, and the surface has fine pinholes. Needle-punched materials are more extensive than spunlace, and there are many varieties, mostly filter materials, felt materials, geotextiles and so on. Spunlace bookers usually weigh less than 80 grams, and special ones are 120-250 grams, but very few. The spunlace cloth has a delicate feel, and the surface has fine strips of spunlace lines in the longitudinal direction. It feels soft, fluffy, highly hygroscopic, and has a certain oil absorption effect.