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We usually say that masks can prevent the spread of the virus, then do you know what the materials used by the mask? It is made of nonwoven fabric, and the nonwoven fabric is a nonwoven fabric, and the textile is made of a directional fiber or random fiber. Its raw materials are all polypropylene (PP, referred to as PP), and medical surgical masks are generally multilayer structures, generally referred to as SMS structures can also become medical nonwoven fabrics.
The S represents the spunbond fibers and the fiber diameter, about 20 microns (nm), and 2 layers of spunbond fibers mainly support the entire nonwoven fabric structure, and there is no significant effect on barrier properties. The most important thing inside the mask is a barrier layer or a meltblown layer (m). The fiber diameter of the meltblown layer is relatively thin, about 2 microns (m), so only one tenth of the spunbond layer, which is essential to prevent bacteria and blood from entering the spunbond layer. It should be noted that the S-spun adhesive layer is too much, the mask is hard, and the spray layer m is too much, the breathing is difficult, so the ease of use of the respiratory mask to the effect of the isolation mask, the breathing is difficult, but the barrier effect is better, but if M layer is a film, they are almost unable to breathe, the virus is cut off, people are dead, so this is a technical issue.
The mask can also be divided into a M layer from the angle of material as a meltblown layer, requiring high fluidity; S layer is a spunbonded layer, its requirements are highly strong.
Dongyang Lai Chi Environmental Protection Technology Co., Ltd. has an annual output of more than 40 million square meters of elastic non-woven production line, SSS nonwoven production line, SMS non-woven production line, and a series of elastic deep processing equipment, professional production and sales nonwoven fabric, spinning Nonwoven fabric, elastic nonwoven fabric, medical nonwoven fabric, is your trusted nonwoven manufacturer.