After more than 20 days of sea transportation, the HEPA filter test system by scanning method which was purchased by the Spanish customer finally arrived at the customer's factory.At the beginning of November, the customer assembled the test bench according to the installation video provided by our
Air filters are silent sufferers – no one thinks about them because they usually don’t break or make noise. Yet, they’re an important part of your HVAC system – not only helping keep your equipment clean and free of debris, but also helping to keep indoor air clean by capturing particles like dust,
Comparison Table - Filtration Performance Requirement of Different Respirator Standard等级Level 标准Standard颗粒过滤效率PFE测试介质Aerosol流量Flow(L/min)呼气阻力Exhalation Resistance(Pa)吸气阻力InhalationResistance(Pa)备注*Remark＞80%＞90%＞94%＞95%＞99%＞99.97%GB 2626-2019KN90KN95KN100NaCl85170/210/250*170/210/250*无呼气阀KP90KP9
