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What to do with the surface of H13 HEPA filters?

Among the H13 HEPA filters manufacturers, the outer frames of many products are metal frames such as galvanized sheets, stainless steel sheets, aluminum alloys, aluminum sheets, etc. These metal frames are exposed to the air and generally absorb certain moisture and dust. These low cohesive strength, low surface energy contamination layers and oxide films will reduce bond strength. Before gluing, be sure to properly treat the metal surface to ensure that the surface is free of dust, moisture and oil. The method used can be surface cleaning or degreasing and degreasing according to the actual situation of the metal frame.
The latter two methods are rarely used in the manufacturing process of primary-efficiency filtration, medium-efficiency filter cotton, and high-efficiency filters, but the others can be a combination of one, two, or several methods. Among them, the surface cleaning of the activated carbon primary-efficiency filter is indispensable. Methods. Any object will have a layer of foreign matter contamination such as oxides, hydroxides, lubricating oils, anti-rust oils, mold release agents, dust, etc., which hinder the wetting of the adhesive to the surface to be adhered, and require proper treatment.
In the primary filter cotton high-efficiency filter, the material selection of some spray surfaces is mainly involved. Choosing the right spray material and spray surface not only makes gluing easier, but also reduces the cost of gluing. Now the competition in the high-efficiency filter industry is fierce, and the price is a common concern for everyone. In order to reduce the cost of high-efficiency filters, we must start from the whole and comprehensively consider the selection of various materials, so as to ensure product quality and reduce costs. Only It is not correct to focus on one aspect.

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