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1. Resistance characteristics of filter materials At present, high efficiency air filtration materials include glass fiber filter paper, electret polypropylene, PTFE, etc. (Fan storage, 2001), among which glass fiber filter paper stable performance, reasonable price, is the mainstream high efficiency air filtration materials, and other filtration materials or expensive or unstable performance, have not been… Continue reading What’s the relationship between HEPA filters and folds?
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Hospital/health industry is a very large and special industry, it has a high requirement of air cleanliness. In general, the minimum requirement for hospital air is filtration using a combination of a 30% efficiency prefilter and a 90% efficiency final filter. In general, HEPA air filters are not required for filtration, but in special cases… Continue reading Hospital air conditioning filter and operating room HEPA filter replacement requirements？
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For the replacement cycle of the high-efficiency filter, the time must first be determined according to the usage method. When using high-efficiency filters in clean rooms, it is necessary to accurately count the operating time and exhaust air volume. This is a reliable basis when the high-efficiency filter is replaced. Under normal operation, the service… Continue reading How to judge the replacement cycle of high-efficiency filter in junior high school?
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