GB/T 46937-2025
UpcomingTest method for the viral filtration efficiency (VFE) of medical masks and materials—Test method using bacteriophage Phi-X 174 aerosol
医用口罩及材料病毒过滤效率测试方法 Phi-X174噬菌体气溶胶法
Application Summary AI generated
This standard specifies a laboratory test method using Phi-X174 bacteriophage aerosol to measure the viral filtration efficiency (VFE) of medical masks and their constituent materials. It is applied in the quality control and performance evaluation of surgical masks, respirators, and other protective face coverings intended for healthcare settings, ensuring they provide a defined level of barrier against viral particles. The method is used by manufacturers, testing laboratories, and regulatory bodies to verify compliance with medical device standards.
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Transparency note: The application summary and key sentences on this page were automatically generated by AI from the standard's original text. This content has not been human-verified and should not be used for compliance or regulatory purposes. Always refer to the official standard document from the issuing authority.