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Thứ Năm, 19 tháng 6, 2014

The Working Of N95 Respirators

By Ina Hunt


It is very important for a person to protect him/herself whenever he/she come into contact with harmful particles. N95 respirators are rated among the seven best filters. They are said to provide up to 95% protection against harmful particles. Very few particles are, therefore, capable of passing through the respirator to reach the user. This filter does not, however, block oil particles from reaching the wearer.

These products retain harmful particles when air is passed through the filter. Harmless particles are usually capable of passing through this device, and, therefore, reach the wearer without difficulties. Most of such products are made using materials like plastic, cotton and glass. These materials and others are very good at blocking unwanted molecules from passing through this filter. Products made from these materials are also easy to dispose and are less costly.

These items carry out the filtering process through various ways. They first of all prevent entry of small particles by restricting the flow of air to a single radius. Larger particles are prevented through their inability to follow a continuously curving contour. A movement involving constant collision of particles further contributes to a restricted passage of particles through the filters. Some resins, plastics and waxes are also used in coating the respirators. These materials have and electrostatic force of attraction that keeps particles on the surface of the filter.

Further restriction of entry is fostered by the reduction of the speed of the air going through the respirator. To arrive at this, the appearance and slope of each filter is altered to make a bigger surface area. Thus, preventing molecules traveling at a low speed is easier compared to those moving at a higher speed.

Share a n95 respirator is not advisable. This is normally given as a warning to avoid movement of harmful substances from a person others due to the contamination of the filter. Each one should, therefore, have his/her own equipment for safety. This way, the probability of meeting harmful substances is very much minimized.

To attain efficiency, the gadget must first appropriately fit the person wearing it. Good fitting ensures that there is no leakage whatsoever. To be sure that the respirator is well fitting, the user must adjust its straps and ensure that is very tight comfortable on his/her face. He/she can also use mirrors to ensure that the equipment is accurately worn.

The name n95 alludes to the fact that the device provides 95% prevention of harmful molecules from reaching the wearer. This fact should, however, not confuse the user to think that it provides absolute protection. It is possible for some molecules of unwanted substances to find their way into the respiratory system of the user. Individuals who have had histories of chronic respiratory defects should visit their doctors before using this equipment.

This type of respirators is never made for children and people with hairy faces. There are no special designs for them. This means that these two groups of people should not use them unless they are sure that they properly fit on their faces.




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