What is a non-woven mask? There are two kinds of non-woven masks. One is made of pure cotton absorbent gauze or knitted fabric with various non-woven fabrics sandwiched between. The other is sewn directly from nonwoven fabric. Its filtration effect is good, breathable slightly poor, the latest varieties for the surface and back for non-woven material, the middle for the filter paper, so that the non-woven mask filtration effect of a higher level. The relevant documents on the technical requirements of medical protective masks were issued by the General Administration of Quality Supervision, Inspection and Quarantine on April 29, 2003 and implemented on the same day. Material: non-woven fabric. Purpose: Filtering Structural components Non-woven masks are the most widely used category in our daily work. The structure of a non-woven cloth mask should be divided into two parts. One is the main body of the mask, which can be simply understood as a shelf of the mask. The other is the filter material part, including the filter cotton used for dustproof and chemical filter box used for poison prevention. Therefore, for the selection of filter masks, some products of Guangjia provide you with the following convenience: you can use the same mask body, and when dust prevention is needed in the dust working environment, you can match it with the corresponding filter cotton, so that you can wear a dust prevention mask; When it is necessary to prevent virus in a toxic environment, replace the filter cotton and install the corresponding chemical filter box, so that it becomes a respirator again, or according to your work needs, provide you with more combinations.