Mask Anti-side Leakage Design Requirements

The anti-side leakage design of the mask is to prevent air from passing through the gap between the mask and the human face without being sucked through the filter. Air is like a stream of water, where the resistance is small, it flows first. When the shape of the mask is not close to the human face, the dangerous objects in the air will leak in from the leak and enter the human respiratory tract. So, even if you choose a mask with the best filter material. Nor can it protect your health. Many foreign regulations and standards stipulate that workers should regularly test the tightness of masks. The purpose is to ensure that workers choose masks of the right size and wear masks in the correct steps.