How to choose the correct type of mask

There are many ways to classify masks. Usually we divide them into two categories according to their structure and working principle: air filter masks and air supply masks. The working principle of the air filter type mask, or simply the filter type mask, is to allow the air containing the harmful substances to filter through the filtering material of the mask and then be inhaled; the air supply type mask means a clean air source that will be isolated from harmful substances. Through the role of power such as air compressors, compressed gas cylinders, etc., the tubes and masks are sent to the person's face for breathing.

Filter-type masks are the most widely used category in our daily work. The selection methods and conditions for use of such masks are described in detail below.

The structure of a filter-type mask should be divided into two parts. The first is the main body of the mask. We can simply understand that it is a shelf of a mask; the other is the filter material part, including the filter cotton used for dust prevention and anti-virus. Chemical filter box. Therefore, for the use of filter-type masks, some of the products produced by Guangjia provide you with the following conveniences: that you can use the same mask body, and when you need to be dust-proof in a dust working environment, match it with Filter the cotton so that you put on a dust mask; when you need to do antivirus in a toxic environment, replace the filter and install the corresponding chemical filter box, so that it becomes a respirator, or According to your work needs, provide you with more combinations.