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口罩ASTM F2100测试与EN14683测试区别
BFE,Delta P,合成血液可以适用于这两个标准,这意味着你不需要执行两次(尽管在血液上,你不能执行较低压力,并将其计算为EN14683,因为他们不接受像ASTM F2100那样的低压)。EN14683不要求PFE和可燃性,所以这些只适用于ASTM F2100。然后EN14683还有一个ASTM F2100不需要的测试,那就是微生物清洁度。
ASTM F2100, Standard Specification for Performance Materials Used in Medical Face Masks, has a table that lists performance classes. It includes five different tests as listed below:
ASTM F2100,医用口罩用性能材料的标准规范,有一个表列出了性能等级。它包括以下五个不同的测试:
Characteristic | Level 1 Barrier | Level 2 Barrier | Level 3 Barrier |
BFE (%) | ≥95 | ≥98 | ≥98 |
Delta P (mm H2O/cm2) | <4.0 | <5.0 | <5.0 |
PFE @ 0.1 μm (%) | ≥95 | ≥98 | ≥98 |
Synthetic Blood Penetration Resistance (minimum pressure in mm Hg for pass result) | 80 |
120
| 160 |
Flammability | Class 1 | Class 1 | Class 1
|