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what is non-woven mask
Release time:
2022-03-04
The other is made directly from non-woven fabric. Its filtering effect is good, air permeability is a little poor, the latest varieties for the surface and back of non-woven material, the
The other is made directly from non-woven fabric. Its filtering effect is good, air permeability is a little poor, the latest varieties for the surface and back of non-woven material, the middle of the filter paper, so that the filter effect of non-woven mask to a higher level. The relevant documents concerning the technical requirements of medical protective masks were issued by the General Administration of Quality Supervision, Inspection and Quarantine on April 29, 2003, and came into effect on the same day.
The dust blocking efficiency of non-woven respirator is based on its barrier efficiency of fine dust, especially respirable dust below 5 micrometers. Because this particle size dust can directly into the alveoli, the impact on human health. General gauze masks, the principle of dust resistance is mechanical filtration, that is, when the dust collides with gauze, through layers of barrier, some large particles of dust are separated in the sand cloth. However, some fine dust, especially those smaller than 5 microns, can pass through the mesh of the gauze and enter the respiratory system. There are some dustproof masks abroad, the filter material is made up of permanent electrostatic fiber, the respiratory dust is smaller than 5 microns in the process of passing through the filter material, is attracted by static electricity and absorbed in the filter material to capture fine dust, really play a role in preventing dust.
Air, like water, moves first where there is little resistance. When the shape of the non-woven mask is not close to the face, the dangerous things in the air will leak into the respiratory tract. So, even if you choose a good filter material mask. Nor does it protect your health. Many foreign laws and standards stipulate that workers should regularly conduct non-woven mask tightness test. The goal is to ensure that workers use non-woven face masks of the right size and wear them properly.
Respiratory resistance should be small, the weight should be light, wear health, easy maintenance. In this way, workers will be willing to adhere to wear in the workplace and improve their work efficiency. At present, foreign maintenance-free masks do not need to be cleaned or replaced. They are discarded when the dust resistance is saturated or the mask is damaged, which not only ensures the hygiene of non-woven masks but also saves workers the time and energy to maintain masks. Moreover, many masks are arched, which can not only ensure a good fit with the shape of the face, but also keep a certain space in the non-woven mask, so that it is comfortable to wear.
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