How to choose the best respiratory protective equipment?
In general, we shall check the tightness of the respirator in accordance with the standard face mask during the inspection and certification of the respirator. In the choice of mask, first of all according to each type of mask provides, selected according to the size of the rough face, and then the fit test can confirm the seal.
The suitability test requires the use of certain reagents, such as particulates or gases, to determine the number of times that the mask can reduce the concentration of the reagent outside the mask by detecting or detecting the concentration inside and outside of the mask. The qualitative suitability test as an example, with the help of the spray device, after special ratio such as saccharin (sweet or bitter) liquid spray, the user can confirm the taste the taste of the premise of reagents, rely on the user to test the spray taste, judge whether can taste the spray mask, if not taste, generally can be judged good sealing mask. If the user can taste the taste in the suitability test, two possibilities are indicated. One is that the mask model is not suitable, and the other two is that the mask is not properly worn or adjusted. Therefore, each inspection fails to provide a second chance, by adjusting the headband tightness, mask position, nose clamp tightness and so on, repeated tests. If it still smells, the user should choose another model or brand of protective mask. The qualitative suitability test equipment is simple and convenient to implement. For the need for full coverage, quantitative fitness tests are needed to determine the suitability of the mask. Contact service providers are advised to provide services. The suitability test should be done during the first use of a respirator, and will be conducted annually. The suitability test should be provided by units providing respiratory protection.
When choosing safety protection equipment, we should focus on the latter, so we need to rely on the protective mask and the user's face closed. The effective method of judging consistency is the fitness test. The suitability test does not simply examine the performance of respirators, but the need to test the tightness of the face mask with each specific user's face.
There are many kinds of breathing protection products in the security protection market, so we need to think more about the correct choice of respiratory protective articles. How to choose the best respiratory protection equipment?. The effectiveness of respiratory protective equipment, mainly reflected in the following two aspects: the ability of respirators to provide clean air to breathe clean air and cut off the mask and mask the external air pollution capacity.
