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When a new standard is released, there are always questions—what is the scope of the standard, how to comply, etc. TSI filtration experts address these questions and more in this application note about testing barrier face coverings to meet the new ASTM F3502 standard. Specifically, the application note describes how submicron particle filtration of barrier face coverings (BFCs) can be conducted using the TSI Automated Filter Tester 8130A, and how quantitative inward leakage assessment can be conducted for BFCs (or for occupational use respirators, in which case it is called “fit testing”) using TSI PortaCount® Respirator Fit Tester Models 8040/8048/8030/8038.
The application note describes: