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Nanometer national standard release Chentai is the main drafting unit

Oct. 26. 2024 00:00:00

On October 26, 2024, Shijiazhuang Chentai Filter Paper Co., Ltd., on behalf of China's engine air filtration industry, led the drafting of the national standard GB/T 44793-2024 "Nanotechnology Nanofiber Filter Materials for Air Filtering", which will be implemented on May 1, 2025.

Nano-National Standard Release Chentai is the main drafting unit

State of Standard Development

The standard formulates normative citation documents, terms and definitions, technical requirements, inspection rules and other contents for nanofiber filter materials for air filtration. The formulation of this standard has promoted the standardization of nanofiber filter material technology, and provided a basis for supervision by the supervision department, promoting the promotion and application of nanofiber filter materials in the filtration industry on a larger scale.

Chentai Nanotechnical

    Chentai is a company that can produce nano substrates and nanofibers at the same time. Chentai uses its equipment, processes and formulas to make technological breakthroughs at the forefront of the industry. It has independent experimental testing and application testing capabilities. It is currently a domestic OEM engine air filter material supplier.

Nano-electrospinning technology uses nano-new material substrates to make high-efficiency, low resistance and strong power after composite nano-nomials. The average diameter of electrospinned nanofibers is less than 200nm, which is one hundred parts of the diameter of wood pulp fibers. 1g200nm nanofibers can reach 300,000 kilometers in length and 1,000 square meters in surface area. Using this feature of nanometers, it can greatly improve the filtration quality, reduce the maintenance cost of the filter, reduce the emission load, and meet the National VI emission standards.


In the next 3-5 years, Shijiazhuang Chentai Filter Paper Co., Ltd. will continue to accelerate the promotion of comprehensive innovation with technological innovation as the core.Inclusive and continuously deepen the development of filter materials field,Through high standards of R&D, manufacturing and high-quality services, it has become a benchmark in segmented fields.

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