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    Product introduction

       HEPA filter screen series is the main filter screen used by most air purifiers and fresh fans at present. It is mainly used to filter small molecule dust and various suspended solids with a diameter of less than 0.3 μ M. HEPA filter screen is subdivided into G1-G4, f5-f-h10-h14 and u15-u17 according to the current European level. The most common level in air purifiers is grade H, among which grade H13 HEPA filter screen can achieve a total efficiency of 9 9.95%, h14 HEPA filter can just reach 99.995%, the highest purification level of HEPA filter in European standard is u, and the total purification efficiency of the best U17 HEPA filter can even reach 99.99997%, but because the production cost of u HEPA filter is high, and the requirements of production environment are very strict, so there are not many wells in the market. In addition to grade, HEPA screens are made of different materials. Among them, the most common materials are five categories: chemical fiber PP filter material, composite pet filter material, melt blown filter material, polyester non-woven fabric, melt blown composite filter material and glass fiber filter material; five categories of HEPA filter nets with different materials have their own advantages and disadvantages, and their main application fields are also different. Among them, HEPA filter screen with multiple materials is featured by acid and alkali resistance, corrosion resistance, high melting point, stable performance, non-toxic, none Taste, uniform distribution, low resistance, high strength and environmental protection are widely used in air purifier.


    Product function

    1. Effectively filter PM2.5, pollen, hair and other solids, with a removal rate of 99.99%
    2 can effectively remove formaldehyde, toluene, odor, TVOC and other gaseous pollutants in the air


    Constituent materials

    1. Frame material: paper frame, ABS plastic aluminum alloy, stainless steel
    2. Seal: Polyurethane AB adhesive, hot melt adhesive
    3. Separator: hot melt adhesive
    4. Sealing strip: Foam
    5. Filter material: glass fiber filter material, chemical fiber PP filter material, imported or domestic composite filter material
    6. Maximum temperature and humidity: 80C, 80%

    The specification and size of HEPA filter screen have no specific definition temporarily, which is generally determined according to the specifications formulated by air purifier and fresh air fan manufacturer.

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