The three layer medical mask is made of three span band layers, one 25-gram meltblown layer, an elastic band and a winding wire.
three layer medical mask:
three layer medical mask is used for preventing and protection against pathogens, pollutions, and viruses, and its meltblown layer prevents the entrance of existing dust and viruses in the air to the respiratory tracts. These masks can be ordered and produced in various colors and are available to the public at treatment centers, hospitals, factories, and food and health preparing centers in order to protect them against the viruses. BTI masks are produced in fifty-piece vacuumed packs and two-thousand-piece cartons, which are kept in heated places (for sterilization) for 72 hours. Afterwards, they are distributed to the pharmacies and stores and are available to the public.
Expiration of BTI three layer medical mask:
It is worth knowing that the practical and useful life of three layer medical mask lasts until it is placed on the face. As their name explain, these masks are disposable and used for medical purposes. they must be thrown away after being removed from the face. Please remember that reusing 3-layer medical masks will only help to spread the infections. Also, note that these masks are not washable and should not be reused under any circumstances.