Measurement of inward leakage of full-face masks in EN and ISO standards: comparison of gas and aerosol test agents
Audrey Santandrea,
Mathieu Marchal,
Sandrine Chazelet
et al.
Abstract:In Europe, respiratory protective devices must be certified before they can be marketed. Among the parameters of interest, inward leakage (IL) characterizes the tightness between the face seal and the face, to verify that the device is well-designed. European standard EN 13274-1 (2001) and International Organization for Standardization (ISO) standard ISO 16900-1 (2019) specify that IL should be measured using sodium chloride (NaCl) aerosol or sulfur hexafluoride (SF6) gas. For reusable masks made of nonporous … Show more
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