What is needle punch nonwovens? How to improve its hardness?

Needle punch nonwovens of materials and processing procedures

Is made of polyester, polypropylene raw materials, combed, combed, pre-acupuncture, the main acupuncture. The center of the network cloth mesh, and then by the two-way core, air into the network acupuncture compound into cloth, after the pressure filter cloth with three-dimensional structure, the heat setting, singeing, the surface of the most chemical oil treatment, Smooth appearance, uniform distribution of microporous, from the surface to see the product density is good, both sides of the surface smooth and breathable degree is better in the plate and frame compressor filter use proof, you can use high-pressure, filtration accuracy of up to 4 microns, according to the user Need to provide both polypropylene and polyester raw materials. Practice has proved that non-woven filter cloth in the plate and frame filter when the better performance: the case of coal preparation plant slime treatment, steel plant wastewater treatment, in the brewery, dyeing and printing plant wastewater treatment, such as other specifications filter cloth will appear cake pressure Quit, and difficult to fall off the problem, with non-woven filter cloth, the filter cake in the filter pressure to reach 10kg-12kg when it is very dry, and the filter box will automatically fall off the filter cake. Users in the choice of non-woven filter cloth, mainly based on air permeability, filtration accuracy, elongation, etc. to consider different thickness, quality of non-woven fabric, the product parameters, please point polyester needle felt and polypropylene needle felt, specifications varieties are can be developed.

Needle punch non-woven series of products is a fine carding molding, many precision needle or to be properly hot-rolled treatment. In the introduction of two high-precision acupuncture production line at home and abroad on the basis of the selection of high-quality fiber, through different production processes, and the use of different materials, the current market circulation of hundreds of different products, including: geotextile, geomembrane , velvet flannel, speaker blanket, electric blanket cotton, embroidered cotton, cotton clothing, Christmas crafts, leather cloth, filter materials for cloth.

Improve the hardness of the method

1, spray or glue: the two forms of glue evenly coated on the back of the non-woven to increase its hardness.
2, Laminating complex: that is, through the laminating machine in the back of the non-woven PEPE EPDM TPR EVA and other materials to increase its thickness and hardness.