Lvyuan Filtration Analysis on the Difference Between Imported and Domestic Activated Carbon Water Purifier Filters

Lvyuan Filtration Analysis The difference between imported and domestic activated carbon water purifier filter elements From the perspective of filtration efficiency, the imported activated carbon water purifier filter element model is 1 micron activated carbon filter element. Under the same temperature and pressure conditions, the Japanese activated carbon water purifier filter element can achieve 95% filtration efficiency, while the Japanese absolute filter element can achieve 99.99% filtration efficiency. It is not known how much the domestic filter element can achieve. From the perspective of pore size, due to the advanced testing institutions or testing equipment in foreign countries, the pure imported hydraulic filters produced need to be tested under the conditions of the same temperature, the same pressure, and the same flow rate. The Japanese standard 1-micron filter and 5-micron filter If the filter can achieve 95% filtration efficiency, if it can achieve qualified production. The so-called 'imported hydraulic filter element' in China has no testing process. The filter elements produced are 1 micron, 3 microns and 5 microns. Under the same temperature, pressure and flow conditions, their specific filtration accuracy will not be the same. This is unknown. Some activated carbon water purifier filter elements can be distinguished from the appearance, whether they are soft and easy to break slag; some activated carbon water purifier filter elements have the same appearance and almost the same hardness, but the filtration efficiency is very different. . The following are the differences in filtration: 1. From the perspective of the efficiency of the activated carbon water purifier filter element, the imported hydraulic filter element is a 1-micron filter element. Under the same temperature and pressure conditions, the Japanese standard filter element can achieve 95% filtration efficiency, while the Japanese absolute filter element can achieve 99.99% filtration efficiency. It is not known how much the domestic filter element can achieve. 2. From the perspective of pore size, due to the advanced testing institutions or testing equipment in foreign countries, the pure imported hydraulic filters produced need to be tested under the conditions of the same temperature, same pressure and same flow rate. The Japanese standard 1 micron filter and 5 If the micron filter can achieve 95% filtration efficiency, if it can reach the production qualification. The so-called 'imported hydraulic filter element' in China has no testing process. The filter elements produced are 1 micron, 3 microns and 5 microns. Under the same temperature, pressure and flow conditions, their specific filtration accuracy will not be the same. This is unknown. 3. Looking at the filter material, the main filter material of the air filter is filter paper. At present, the filter paper mainly adopts domestic paper and imported paper. Generally, the color of the real filter paper is uniform, and the paper surface is relatively smooth. The color of the filter paper of the inferior filter element is uneven, the surface of the paper is hairy, and the texture is very poor. 4. Look at the colloid of the filter element. At present, the structure of the filter element is generally made of filter paper and rubber, and the colloid of the true and false filter elements is also different. The original filter element has good rubber property and elasticity, while the fake filter element has soft rubber property and poor texture. An easier way to identify is to fold the air cleaner element in half. After loosening, the original filter element will quickly return to its original state, while the fake filter element is not well bonded to the filter paper due to the rubber texture, and the middle of the crease is obvious. 5. Another point is the price of the filter element. There is a certain price difference between the imported hydraulic filter and the domestic one, but not all domestically produced filters are much cheaper than the original ones. There are many domestic 'imported hydraulic filters' that have The manufacturer is hungry. When the domestic hydraulic filter acts as an imported hydraulic filter, it is sometimes difficult for customers to distinguish!

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