Disposable Non-Sterile Medical Mask for Infection Control and Air Filtration

The mask is designed to limit the transmission and spread of infectious agents, as well as to filter the breathing air and provide a barrier to the transmission of droplets and particles from person to person. The medical mask is made of three layers. The size of the product: "Standard" length 17,5 ± 1,5 cm and width 9,5 ± 0,5 cm.

The mass of the mask should be, g: Standard 2,5 ± 0,8. The total length of one loop without tension shall be: "Standard - (16 ± 3) cm. Surface density of nonwoven material shall be: CMC - (12±3) g/m2, (17±3) g/m2.

Differential pressure < 29.4 Pa/cm2. Bacterial filtration efficiency? 95%.

The microbiological purity of the mask should be, CFU/g? 30.