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How to distinguish the front and back of medical surgical masks?
Release time:
2025-01-16
Medical surgical masks have the functions of resisting liquids, filtering particles, and bacteria. Many people may think that the front and back of a mask are the same, as long as they wear it tightly. However, this is not the case. The functions of masks are different. So, how to distinguish between the front and back of medical surgical masks? Today, let me give you a brief introduction.
1. The front and back of medical surgical masks can be distinguished by metal strip creases, color, and fabric. According to the color distinction of the two sides of medical surgical masks, the darker side is the front and the lighter side is the back. The outer layer of a mask is mostly light blue or dark, while the inner layer is mostly white or light colored.
2. The common method for distinguishing the front and back of medical surgical masks is through metal strips. Generally, the side of the metal strip that protrudes outward from the top is the outer side, while the opposite side is the inner side. At the same time, it can also be distinguished by creases, with the side with the crease facing upward being the inner side and the other side facing outward being the outer side.
3. The side with thread ends is the outside, while the side without thread ends is the opposite. According to the smoothness, the outward facing part of the mask should have a water blocking function, mostly a smooth surface, while the inward facing part should be made of materials with good breathability, close to the skin, and conducive to breathing.
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