Why Can Surgical Mask Be Anti-virus

The standard medical surgical mask is divided into 3 layers. surgical mask The outer layer has a water blocking effect to prevent droplets from entering the mask. The middle layer has a filtering function to block >90% of 5μm particles. The inner layer near the mouth and nose is used to absorb moisture.

The middle core filter layer is composed of a special material,surgical mask which is called melt-blown non-woven fabric, or simply melt-blown fabric. Melt-blown cloth is a film made of polypropylene with many criss-cross fibers stacked in random directions. The fiber diameter ranges from 0.5 to 10 microns. In other words,surgical mask as long as the mask has a high-quality, thin-diameter meltblown cloth, it can effectively block the droplets outside this layer,surgical mask and will not penetrate the inner layer of the mouth mask to contact the human skin and mouth and nose.

A three-layer structure is preferred,surgical mask and a disposable mask with a melt-blown filter layer is clearly marked; if both keywords are not found,surgical mask look for the word "anti-foam" on the package; neither case is found Next, try to choose fine materials, surgical mask such as non-woven knitting gaps must be smaller than cotton yarns.