Description
1.1 This test method is used to measure the bacterial filtration efficiency (BFE) of medical face mask materials, employing a ratio of the upstream bacterial challenge to downstream residual concentration to determine filtration efficiency of medical face mask materials.
Product Details
- Published:
- 03/01/2023
- Number of Pages:
- 6
- File Size:
- 1 file , 360 KB
- Redline File Size:
- 2 files , 530 KB
- Note:
- This product is unavailable in Russia, Ukraine, Belarus
