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PTFE Polyester Needle Punched Felt Membrane Filter Bags Custom

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Industrial Dust Removal Filter Bags

PTFE Polyester Needle Punched Felt Membrane Filter Bags

Polyester/PET based punched filter felt is produced with grade polyester staple fibers as raw materials. In addition its unique advantages including high porosity, good air permeability, high dust collection efficiency, long service life and other aspects possessed by common felt type filter cloths, this product has moderate high temperature resistance grade, instantaneous temperature to reach 130℃,medium acid and alkali resistance, it has very abrasive resistance. Hence, it is frequently used category in felt type filter materials. In terms of surface treatment, singeing, calendering or coating and other treatments can be adopted according to different requirements of working conditions.

About Us
Jiangsu Dongwang Environmental Protection Technology Group Co., Ltd.
Jiangsu Dongwang Environmental Protection Technology Group Co., Ltd.
It is PTFE membrane filter bag suppliers and polyester needle punched felt filter bags company, a large-scale enterprise that independently develops environmental protection equipment and specializes in producing industrial filter cloth, dust filter bags, liquid filter cloth and filter bags, framework series products, dust collector supporting series, electromagnetic pulse valve supporting series, filter cartridge supporting series products, etc. Our company has a factory land area of about 30, 000 square meters and a plant area of 23,000 square meters. It has more than 100 employees, including more than 30 professionals. At present, Dongwang ranks among the top five in Funing. With efficient production management, good network sales and after-sales service, the company has more than 10 offices in major regions.
Certificate Of Honor
  • ISO9001 Certification
  • ISO9001 Certification
  • ISO14001 Certification
  • ISO45001 Certification
  • A bag type dust removal equipment used in industrial production
  • A bag type dust removal equipment used in industrial production
  • A composite filter cloth with filter membrane
  • A composite filter cloth with filter membrane
  • A cylindrical extendable dust removal filter bag
  • A cylindrical extendable dust removal filter bag
  • A easily disassemble and replace filter cloth holder
  • A easily disassemble and replace filter cloth holder
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Industry knowledge

How to balance air permeability and filtration accuracy in Polyester Needle Punched Felt Filter Bags?

In the realm of industrial filtration, balancing air permeability and filtration accuracy is crucial for achieving optimal performance in dust collection systems. Polyester needle punched felt filter bags are a popular choice due to their durability, cost-effectiveness, and ability to meet a wide range of filtration needs. However, striking the perfect balance between these two key properties can be challenging. 
Air permeability refers to the ease with which air can flow through a material, while filtration accuracy measures the material's ability to retain particles of a certain size. In polyester needle punched felt filter bags, these properties are influenced by factors such as fiber diameter, fiber arrangement, needle punch density, and surface treatment.
At Jiangsu Dongwang, we understand the importance of precision in manufacturing. Our state-of-the-art production facilities and advanced technology enable us to produce polyester needle punched felt filter bags with tightly controlled fiber diameters and arrangements, ensuring consistent air permeability and filtration accuracy. By adjusting the needle punch density, we can further tailor the structure of the filter media to meet specific application requirements.
Surface treatments play a vital role in enhancing the performance of polyester needle punched felt filter bags. At Jiangsu Dongwang, we offer a range of surface treatment options, including sintering, calendaring, and coating, to improve the wear resistance, chemical resistance, and filtration efficiency of our products. These treatments can also help to balance air permeability and filtration accuracy by modifying the surface properties of the filter media.
When it comes to selecting the right polyester needle punched felt filter bag for your application, it's essential to consider the specific dust characteristics, operating conditions, and filtration requirements. Jiangsu Dongwang's team of experts can provide personalized consultations to help you choose the most suitable filter bag based on your needs. We offer a wide range of products with varying degrees of air permeability and filtration accuracy to cater to different industries and applications.
In addition to producing high-quality polyester needle punched felt filter bags, Jiangsu Dongwang is also committed to environmental protection and sustainability. Our products are designed to minimize environmental impact while maximizing filtration efficiency. We continuously invest in research and development to explore new materials and technologies that can further enhance the performance and sustainability of our filter media.