Generally, disposable medical face mask has better protection effect than disposable mask, and disposable medical mask needs to reach YY / T0969 standard, which is lower than the medical surgical mask protection, is used in non epidemic period, in hospital second or third line personnel or medical occasions with minimum protection level.
The civilian masks are flat type, which is lower than the disposable medical mask protection. The structure is the same as that of disposable medical masks. Only the fusion jet cloth used in the middle is a common spray cloth without the treatment of standing pole, only the blocking effect of the foam. If the fiber is fine, it also has a short time of blocking effect on bacteria, but there is no adsorption force between charges. When inhale, bacteria will enter the body with pressure difference, and the protective effect is general.