? Product name: Protective Mask?Type/Specification:Folded mask/155×100mm (±5) mm?Application range:Suitable for wearing in normal environment, filterparticulate matter from the air.?Structure and composition:The protective mask consists of the main body of themask, ear loop and metal strip. The main body of themask is made of special spunbonded non-woven fabricmaterial (inner and outer layer) and polypropylene meltblown nonwovens (interlayer) by heat seal.
?Mask should cover the wearer's mouth and nose, should have good facial tightness,
appearance should be clean, shape is intact, the surface should not have broken holesand stains, should not have breathing valve.?The mask should provide with metal strip, and the metal strip should be adjustable, and
should be strong enough to fix the mask position. The breaking force of the connectionpoint between each ear loop and the mask body should not be less than 10N.?In the case of gas flow rate of 85L/min, the filtration efficiency of the mask for non-oily
particles should be ≥95%.?In the case of gas flow rate of 85L/min, respirator resistance should not exceed 343.2pa
(35mmH2O).?The materials used should not be inflammable and the after flame time should not
exceed 5s.?Mask design should provide good tightness, total fit factor of the mask should not be
less than 100.