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What is the composition of the primary filter material How to use with?

What is the composition of the primary filter material How to use with?

The impact of the primary filter material on the filter is particularly important as it determines the efficiency level of the filter. The filter material for primary filters is usually primary filter cotton, also called non-woven fabric. It is a non-woven fabric of polyester fibers. After heating, it combines with the fibers to form an irregular interlaced shape, which results in a high dust removal effect, strong adhesion, will not break, and will not cause secondary pollution. Primary filter material quality.

We all know that in the purification and air conditioning system, the primary and intermediate filters are used as a pre-filter to protect the end of the high-efficiency filter, and the cleanliness of the high-efficiency filter environment to meet the requirements of the production process, different particle sizes correspond to different filters. Is it not possible to not use the intermediate and middle-effect, only using the high-efficiency filter can not achieve the effect. The answer is no, although the primary and intermediate filters can filter the particles of high-efficiency filters can be filtered out, the use of is estimated that high-efficiency filters will not be used for a month on the scrap, and the price of high-efficiency filters is much higher than the primary and intermediate filters. The ventilation system mainly relies on the primary and secondary filters to block most of the dust (filtration efficiency is generally not less than 90 percent) to reduce the impact on the high-efficiency filter.