Masks can generally be divided into two categories, general masks and protective masks. General masks are mainly used for wind and heat preservation, and protective masks are mainly used for protecting various particles. Protective masks can be divided into disposable masks, daily protective masks, medical masks, industrial masks, coal mine masks, etc. according to different protection objects.
There are many kinds of masks. The masks that keep warm generally use cotton, velvet, cashmere and other materials. Most of the masks that have a particle protection function use non-woven filter materials. In order to take into account the effects of warmth, beauty and protection, some manufacturers use fabrics of various colors to wrap the non-woven fabric that functions as a filter in the middle of the mask.
As far as the manufacturing and processing technology of materials are concerned, each has its own unique characteristics. As far as the production of filter materials is concerned, basically melt-blown or electrospinning methods are used. Some manufacturers are able to filter materials through electret processes. Add additional charge to increase the adsorption capacity of the material without increasing the thickness and resistance of the material.
Link to this article：Analysis Of The Classification Of Protective Masks
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