Needle-punched non-woven fabric: It is a kind of dry-laid non-woven fabric. The needle-punched non-woven fabric is a puncture effect of a lancet, and the fluffy fiber web is reinforced into a cloth.
The needle punched non-woven fabric is made of polyester and polypropylene raw materials, which are carded, combed, pre-acupuncture and main acupuncture. The center is added with a mesh interlayer, and then double-channeled, air-laid acupuncture composite into a cloth, the post-pressure filter cloth has a three-dimensional structure, after heat setting, after singeing, the surface is most chemically treated to make the filter cloth The appearance is smooth and the micropores are evenly distributed. The density of the product is good from the surface. The surface of both sides is smooth and breathable. The filtration on the plate and frame compressor proves that high-strength pressure can be used, and the filtration precision is up to 4 microns. Both polypropylene and polyester materials are required. Practice has proved that the non-woven filter cloth has better performance in the frame frame filter press: the coal slurry treatment in the coal plant, the wastewater treatment in the steel plant, and the wastewater treatment in the brewery and printing and dyeing plant. If other filter cloths are used, the cake pressure will appear. If it is not dry and it is difficult to fall off, after using the non-woven filter cloth, the filter cake will be quite dry when the filter pressure reaches 10kg-12kg, and the filter cake will fall off automatically when the filter is opened. When selecting the non-woven filter cloth, the user mainly considers the non-woven filter cloth of different thickness and quality according to the air permeability, filtration precision and elongation. For the product parameters, please click the polyester needle felt and the polypropylene needle felt. Can be formulated.
Embroidery is a general term for various decorative patterns embroidered on fabrics by needle and thread. Embroidery is divided into silk embroidery and feather embroidery. It is a kind of decorative fabric that uses a needle to puncture silk thread or other fibers and yarns with certain patterns and colors on the embroidered materials, and then forms the decorative pattern with the embroidery trace. It is the art of adding human design and production to any fabric that exists with needles and threads. Embroidery is one of the traditional Chinese folk crafts, which has a history of at least two or three thousand years in China. Chinese embroidery mainly includes Suzhou embroidery, Hunan embroidery, Shu embroidery and Guangdong embroidery. Embroidery techniques include: wrong needle embroidery, random needle embroidery, net embroidery, all over embroidery, lock silk, nasi, Najin, Pingjin, Yingjin, Panjin, fluting, scraping, poking, sprinkling, cross stitch, etc. the main uses of embroidery include life and art decoration, such as clothing, bedding, tablecloth, stage, art decoration.
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