How often should we change the mask?
1. The mask is contaminated with foreign objects such as blood stains or droplets.
2. The user feels that the breathing resistance becomes greater.
3. The mask is damaged.
4. Dust-proof filter cotton, when the mask is close to the user’s face, when the user feels that the breathing resistance is very large, it means that the filter cotton has been filled with dust particles and should be replaced with a new one.
5. Anti-virus filter box, when the mask is in good contact with the user’s door, when the user smells the poison, it should be replaced with a new one.
6. Ordinary masks wear: activated carbon masks can generally be used for 2 days, n95 can be used for a week. If the mask has not been worn for a long time after cleaning, it is better to wear it again.
Executive Standard: YY / T 0969-2013
Product Name: Disposable medical mask (Epidemic emergency product, non-sterile)
Product Structure: It consists of a mask body, a mask band and a nose clip. The mask body is made of non-stick non-woven fabric and melt-
blown cloth. Specifications: Rectangular ear-hook 17.5 * 9.5cm -3p (Three layers)
Intended Use: To be worn in a general medical environment to block exhalation from the mouth or nasal discharge. Product performance: 1. The appearance of the mask should be neat and intact, and the surface should not be damaged or stained. 2. After wearing the mask, it should be able to cover the nose, mouth and jaw of the wearer. 3. The mask should be equipped with a nose clip made of a plastic material; the length of the nose clip should not be less than 8.0cm. 4. The mask should be easy to wear, and the breaking strength at the connection point between the mask band and the mask body should be not less than 10N. 5. The filter efficiency of mask bacteria is not less than 95%. 6. The ventilation resistance for gas exchange on both sides of the mask should not be greater than 49Pa / cm². BFE＞99%
Warnings and Precautions:
1. This product is for single use and cannot be used again. 2. When wearing a medical mask correctly, you should replace it when you smell or smell breathing. 3. If your face is injured, treat it before using it.
Validity Period: 2 years (See certificate)
Post time: Apr-15-2020
