Disposable medical masks are suitable for covering the user's mouth, nose and jaw, and are used for wearing in ordinary medical environments to block the exhalation or exhalation of pollutants from the oral and nasal cavities. The bacterial filtration efficiency of the mask should not be less than 95%. Not suitable for medical protective masks, medical surgical masks.
Cytotoxicity: The cytotoxicity of the mask should not be greater than grade 2.
Skin irritation: The primary irritation score of the mask should be no greater than 0.4.
Delayed type hypersensitivity reaction: The delayed type hypersensitivity reaction of the mask should not be greater than grade
