The new air filter test standard ISO 16890 will replace EN779: the filtration efficiency is determined by the classification of particulate matter

May 22, 2019 Industry News 365 views ISO 16890 will be introduced into the International Organization for Standardization as a brand new filtration standard for testing and grading filters for…

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Technical specification for bidding of rolling curtain air filter for air inlet of suction room of blower room of sewage treatment plant

May 22, 2019 Industry News 315 views The technical requirements for bidding of the Ecolead automatic winding coarse air filter of Nanjing Yixiou are as follows: Install a roller blind…

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Comparative analysis of the advantages and disadvantages of "medium type" or "electrostatic type" air purification

May 22, 2019 Industry News 327 views In recent years, the problem of air pollution has become more and more serious. In the autumn and winter seasons, the demand for…

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Finally understood the filtration efficiency: a summary of the filtration efficiency expression method of the air filter

May 22, 2019 Industry News 294 views The filtration efficiency of an air filter is simply the ratio of the amount of dust captured to the original air dust content.…

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