Surgical Basics Face Mask Bfe99 Box Of 50
$149.50 AUD

Surgical Basics Face Mask Bfe99 Box Of 50

$149.50 AUD
RATING: BFE99 - BACTERIAL FILTRATION EFFICIENCY 99%The BFE test is performed to determine the filtration efficiency by comparing the upstream bacterial control counts to downstream test article counts. A suspension of Staphylococcus aureus was aerosolized using a nebulizer and delivered to the test article at a constant flow rate and challenge delivery. The challenge delivery is maintained at 1.7 - 2.7 x 103 colony forming units (CFU) with a mean particle size (MPS) at 3.0 �m � 0.3 �m. The aerosol droplets were drawn through a six-stage, viable particle, Andersen sampler for collection. This procedure allows a reproducible bacterial challenge to be delivered to test materials. This test method complies with ASTM F2101-14 and EN 14683:2014
Quantity
SKU SB223