不同呼吸器标准的过滤性能要求对比表
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 Inhalation Resistance (Pa) |
备注* Remark |
|||||
＞80% |
＞90% |
＞94% |
＞95% |
＞99% |
＞99.97% |
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GB 2626-2019 |
KN90 |
KN95 |
KN100 |
NaCl |
85 |
170/210/250* |
170/210/250* |
无呼气阀 |
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KP90 |
KP95 |
KP100 |
Oil |
85 |
170/210/250* |
170/210/250* |
无呼气阀 |
||||
NIOSH 42 CFR PART 84 |
N95 |
N99 |
N100 |
NaCl |
85 |
245 |
343 |
||||
P95 |
P99 |
P100 |
Oil |
85 |
245 |
343 |
|||||
R95 |
R99 |
R100 |
Oil |
85 |
245 |
343 |
|||||
EN 149-2009 |
FFP1 |
FFP2 |
FFP3 |
Oil |
95 |
294 (160L/min) |
205/235/294* |
95L/min |
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GB/T 32610-2016 |
B/C/D* |
B/C/D* |
A |
NaCl、Oil |
85 |
175 |
145 |
盐性≥90% 油性≥80% |
|||
GB 19083-2010 |
1级 |
2级 |
3级 |
NaCl |
85 |
—— |
343.2 |
||||
Korean Standard |
KF80 |
NaCl |
95 |
—— |
60/70/100* |
30 L/min |
|||||
KF94 |
KF99 |
Oil、NaCl |
95 |
—— |
60/70/100* |
30L/min |
|||||
ASTM F3502-2021 |
Level 1 ≥20% |
NaCl |
85 |
147 |
|||||||
Level 2≥50% |
NaCl |
85 |
49 |
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