• ASTM F2101-19

ASTM F2101-19

  • Standard Test Method for Evaluating the Bacterial Filtration Efficiency (BFE) of Medical Face Mask Materials, Using a Biological
  • standard by ASTM International, 07/01/2019
  • Category: ASTM

$48.00 $24.00

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.

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