People will wear masks when traveling, mainly in order to prevent dust and bacteria in the air, so many users are using and purchasing the method is incorrect, so today's edition will give users a brief introduction to the user purchase and use masks to pay attention to what matters?

As far as the detection environment is concerned, as long as the total disclosure rate of one sample conforms to the national standard, the total disclosure rate of the other samples does not conform to the request. Otherwise, the size of the resistance will affect the customer's respiratory infection. The greater the resistance, the worse the comfort of the wearer will be. Therefore, under the premise of no loss of filtration efficiency, mask products should only care about even loss of respiratory resistance.

Before choosing and purchasing masks, customers can know the relevant product quality information through the relevant information announced by the customer association system and product quality supervision section, and choose their own products appropriately. On the packaging of products, it is stated that customers should be treated rationally, not trusting the false propaganda of bad businessmen, so as to avoid being deceived. In response to the haze climate, the haze mask with better filtering results should be selected. The effect of this comparative test is embodied, and the filtering result of disposable mask is better.

Respiratory system disease patients and elderly people, children should not wear products with greater respiratory resistance; because of the different face types, the best after trial wear, assuming that the wear is not good, it will affect the filtering results.