An KN95 mask, also known as KN95 mask filter, is a filtration face-piece respiratory mask are recommended for people who are exposed to high levels of toxic substances such as in industrial settings, textile factories, food processing plants, gas stations and tobacco smoke. These masks are very effective in reducing dust and other potentially harmful particles in the air. They are designed to be worn by people working in these environments and are available in different sizes and features.
It is worn on the face and mouth. It is worn in situations where breathing is critical and the air can be contaminated with particles that are not visible to the naked eye. The particles that are invisible to the eye are fine enough to be inhaled without any noticeable change in the level of the wearer’s breathing. However, they can still trigger an allergic reaction, cause breathing difficulties or increase a person’s risk of getting a lung disease like emphysema.
The various features of this mask-
There are three things that a manufacturer of an KN95 mask should ensure are present in the masks that are produced. The first is the approval number. An KN95 mask must have the approval number of either UL or CSA. This number denotes that the mask meets all the necessary guidelines set for the material. It shows that the company has followed the specifications set for the material and that the production conforms to the required standards.
Another important feature is the pressure check ring. This ring is present on the interior of the mask. Its purpose is to allow a monitor to be attached to the mask by the wearer so that the pressure inside the mask can be continuously monitored. If the pressure in the mask drops below the required level, the alarm is set off. The wearer should then manually remove the mask to enable the pressure check to be repeated.
The last feature that is present on most KN95 masks is an exhalation port. This port allows the user to manually release the air from the mask. It is used to ventilate the user’s breathing system after the exhalation is complete. It should therefore be kept sufficiently open for easy clearing of the breathing system from particles and the like.
All these equipment should meet very stringent quality standards to make breathing easier for the user. However, some manufacturers have exceeded these standards and the masks sold to the users are faulty. Manufacturers should first identify the exact reason for the failure before selling the masks to the customers. There are several reasons why the performance of the mask could be affected. One such reason is the build quality of the mask. A poor build quality could be the reason why the pressure gauge of the mask cannot accurately read the air pressure in it and hence the exhalation could go up or down.
A very common reason why KN95 masks stop working is the failure of the filtering facepieces. The use of the filtering faeries is one of the most important features of these masks. Hence the manufacturer of the masks should make sure that the filter is properly installed and is of good quality. Some manufacturers have reduced this maintenance cost by offering replacement filters as an additional accessory. If this problem is not taken care of, the breathing ability of the user will be severely affected.
Another important feature of a mask is its one-way valve. The one-way valve is another method of reducing the amount of exhalation or flow of air from the nose. As the name suggests, the one-way valve allows the flow of air to either side of the mask, thereby reducing the particles which could enter the nose and cause allergic reactions. A good quality mask also has the air circulation port, which allows a continuous flow of air to pass through the mask and prevent the particle accumulation. With this feature, the KN95 mask protects the users from the harmful particles and thus provides protection against the harmful effects of these particles.