Disposable Medical Masks: An Authoritative Purchase Guide and Scientific Usage Suggestions

 

I. Purchase Channels

1. Online Channels

Currently, disposable medical masks can be purchased through multiple regular e - commerce platforms. These platforms offer a full range of mask options, support low - threshold free shipping services, and some even support cross - border delivery, with the fastest delivery being the next day. When placing an order, consumers need to choose merchants with medical device qualifications to ensure that the products meet national standards.

2. Offline Channels

Physical pharmacies, large supermarkets, and community service centers are common offline purchase locations. It is recommended to choose pharmacies first, as the quality of medical masks sold there is more guaranteed. Some communities or governments will regularly organize group - buying activities for epidemic prevention supplies. Consumers should pay timely attention to local notifications.

 

II. Types of Masks

The masks on the market are mainly divided into three categories, and consumers need to choose according to their protection needs:

1. Cotton Masks

They have a relatively low filtration efficiency. They are suitable for daily dust prevention or keeping warm, but are not recommended for epidemic prevention.

2. Disposable Medical Masks

 - General Type: Used in general medical environments without the requirement of blood - blocking function, suitable for daily protection.

 - Surgical Masks: They have a higher level of protection and can block the transmission of droplets. They are suitable for high - risk places such as hospitals and railway stations.

3. Protective Masks (e.g., N95/KN95)

They have the highest filtration efficiency and strong sealing performance. They are recommended for medical staff or people with high - risk exposure.

 

III. Scientific Usage and Precautions

1. Suggested Usage Scenarios

 - No Need to Wear: When at home, outdoors with good ventilation and no crowds.

 - Must Wear: When taking public transportation, entering hospitals or crowded places, people should carry spare masks with them and wear them when in close contact with others.

2. Usage Time Limit Regulations

 - Both disposable medical masks and surgical masks are for limited - use. The cumulative wearing time should not exceed 8 hours. Professional exposure personnel (such as medical workers) need to replace them every 4 hours and should not reuse them.

 - If the mask is damaged, contaminated, or the breathing resistance increases significantly, it should be replaced immediately.

3. Correct Wearing Method

 - Wash your hands thoroughly before wearing a mask, ensure that the mask completely covers the mouth, nose, and chin, and avoid leaving any gaps.

 - When removing the mask, do not touch the contaminated outer surface. It is recommended to remove it by the straps and discard it in a dedicated trash can.

4. Avoid Long - term Wearing

Long - term wearing of masks may cause problems such as sensitive nasal mucosa and skin indentations. In low - risk environments, the mask can be removed appropriately to maintain the normal physiological function of the nasal cavity.

 

IV. Purchase and Storage Tips

 - Quality Identification: When purchasing, check whether the product packaging is marked with "Surgical Mask" or "Disposable Medical Mask", as well as the medical device registration certificate number (e.g., YY/T 0969 standard).

 - Storage Method: Unopened masks need to be stored in a dry and dark place to avoid material aging caused by high - temperature or humid environments.