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  • Standard-Comparison Table - Filtration Performance Requirement of Different Respirator Standard

    2021-11-09
    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

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