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|Style||Folding style ear hooked type|
|Particles filtering efficiency||99%-100%(non-oily particles)|
|Ventilation resistance||116.7~126.6Pa(Gas flow: 85/min)|
|Shelf life||Two years|
|FDA Device listing number||D389707|
|FDA Product Code||QKR|
It is applicable for filtering particles in the air and blocking droplets, blood,
body fluids and secretions in the medical situation.
The medical respirator mask is composed of surface layer, filter layer, inner layer, nose clip and elastic cord, etc.
The materials of the surface layer and the inner layer are Spunbond non-woven fabrics, and the materials of the filter layer are meltblown non-woven fabrics and the material of the elastic cord is made of the braided polyester thread and the nose clip is made of the bendable and shapeable metal.
1. The mask should cover the wearer's mouth and nose, and should have good facial adhesion. There should be no holes or stains on the surface, and there should be no exhalation valve.
2. Masks should be equipped with nose clips, which should be adjustable.
3. The mask elastic cord should be easy to adjust. It should have sufficient strength to fix the position of the mask. The breaking strength of the connection point between each mask elastic cord and the mask body should not be less than 10 N.
4. The filtering efficiency of masks for non-oily particles should be ≥ 95%.