What is the material of the mask?

In the face of the sudden outbreak of novel coronavirus, more and more people are aware of the importance of masks.

What is the material of the mask?

According to the Guidelines on the Use Scope of Common Medical Protective Articles in the Prevention and Control of Pneumonia Caused by novel coronavirus (Trial) issued by the General Office of the National Health Commission, medical surgical masks and medical protective masks can be used for the risk of respiratory infection.

Classification of Masks

At present, medical protective masks in China include disposable biomedical masks (ordinary medical masks), medical surgical masks, and some medical protective masks.

The function of masks

A disposable medical mask refers to a regular medical mask that covers the user’s mouth, nose, and jaw, and is worn in a regular medical environment to block the exhalation or spraying of pollutants from the mouth and nose.

Disposable medical masks should be equipped with a plastic nose clip to secure the mask. The plastic material can ensure that the facial mask fits the facial curve to prevent leakage.

Disposable medical masks mainly consist of a non-woven body (one to three layers) and a carrier. The main materials to be carried are usually non-woven fabric (straps) or elastic straps (hooks). Non woven fabrics can provide a certain degree of bacterial filtration.

Medical surgical masks usually refer to masks used to cover the user’s mouth, nose, and jaw, providing a physical safety barrier to prevent pathogens from directly passing through microorganisms, body fluids, particles, etc. Generally worn by medical staff during invasive operation management and other processes.

The material of the mask

The main body of medical surgical masks can be composed of non-woven fabric, melt blown fabric, or filtering technology materials. The main research materials for straps are usually non-woven fabrics (strap type) or elastic bands (hanging ear type). Melt blown fabric or filter functional materials can provide a good filtration system performance, and the outer layer of non-woven fabric material (usually blue) has water repellency and lotus leaf effect; The white inner layer management is water absorbent and has good compatibility with skin tissue.

Composition of medical protective masks

Medical protective masks consist of the main body of the mask market and straps, with one mask production body divided into three layers: inner, middle, and outer:

The inner layer is made of non-woven fabric, which has a certain degree of comfort;

The commonly used ultra-fine polypropylene fiber melt blown material in the middle layer provides a good filtration system performance;

The outer layer is made of non-woven fabric and ultra-thin polypropylene melt blown material layer, which has certain waterproof technical performance.

The main technical requirements for medical protective masks are based on medical surgical masks, with more requirements in terms of ventilation resistance, moisture resistance, and sealing.

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