| 主权项 |
1. A mask comprising:
a mask body configured to cover at least wearer's mouth and nose; and
a pair of ear straps that extend from both sides of the mask body and are configured to be hooked around wearer's ears,wherein:the mask body includes
a first fiber sheet,a second fiber sheet laid on the first fiber sheet such that the second fiber sheet is located on a wearer's side of the first fiber sheet when the mask is worn, andthe first fiber sheet comprises hydrophobic fibers,the second fiber sheet includes a first fiber layer which is formed of polyolefin fibers containing an inorganic antimicrobial agent and a second fiber layer which is formed of polyolefin fibers and has a larger fiber diameter than the first fiber layer, wherein the fiber diameter of the first fiber layer is within a range of 0.5 to 2.8 μm and the ratio of a particle diameter of the inorganic antimicrobial agent with respect to the fiber diameter is within a range of 0.1 to 6.0, a third fiber sheet laid on a side of the second fiber sheet facing away from the first fiber sheet, the density of the first fiber layer is higher than a density of the first fiber sheet and a density of the third fiber sheet,
the density of the second fiber layer is higher than a density of the first fiber sheet and a density of the third fiber sheet. |
