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  4. A comfortable mask must have a good nose...

A comfortable mask must have a good nose bridge

All Plastic Nose Bridge-Nose Bridge

Nose bar manufacturer introduction: YY0469-2004 "Medical Mask Technical Standards" was promulgated by the National Drug and Food Supervision and Administration Department. All plastic nose bars are national standards and were implemented on January 1, 2005. The standard specifies the technical standards, experimental methods, labeling and instructions for use of medical masks, packaging, transportation and storage. The standard stipulates that the high efficiency of germs in masks should not be less than 95%.

Nose bridge manufacturer introduction: GB / T32610-2016 "Usually Safety Protection Mask Technical Standard" was published by the former AQSIQ and the National Fine Management, and was implemented in China ’s national standard for protective masks on November 1, 2016. .

The specification involves the mask raw material regulations, construction regulations, labeling regulations, appearance regulations, etc. The key indicators include multi-function indicators, fine particles, high efficiency, respiratory and respiratory friction resistance indicators, adhesion indicators, etc. The specification stipulates that the bridge of the nose bridge should also protect the mouth and nose safely and firmly, and there should be no sharp angles and edges that can be touched. Detailed requirements to ensure the safety factor when people wear protective masks.


Nose bridge? Mask must have certain comfort


The nasal bridge mask must have the necessary ventilation function to have the necessary comfort. On the basis of theory, the difference between the nasal bridge mask and the mask ventilation function has a certain correlation with the filtering power of the mask. When the breathability of the mask is heterogeneous, the mask itself blocks external chemicals from entering the mask, and then has the practical effect of protection and does not lie in the filtering power of the mask.

When the breathability of the nose bridge mask is good, the exchange of substances in the mask table is relatively frequent, which requires high filtration efficiency of the mask. For this reason, it is satisfactory. In high-frequency substance exchange, the mask can limit the filtration of gas The harmful substances get into the body, and thus play a practical role in protection. The ventilation function of the nose bridge mask and the filtering power must have a good matching degree to have a good practical effect of protection. To create a model between the ventilation function of the mask and the filtering power, it is especially necessary to find the relationship between the two .

The connection between the breathability and tightness of the bridge of the nose bridge has a good filtering power is the basic to ensure that the mask has the actual protection effect. When the adhesion between the mask and the face is not good, a gap will be generated, and the cyclone friction resistance of the gap is much lower than that of the filter material. The price of the nose bridge of the mask. According to the fluid dynamics, the cyclone will prefer to choose from the inflow friction resistance The place passes, so no matter how good the filtering effect of the mask is, the actual protective effect of the mask is not easy to be high. Therefore, the tightness of the anti-fouling mask is the key standard to ensure that the mask has the actual protection effect



Nose bridge manufacturers share masks that cover people's mouth, nose, and jaw to form a sealed indoor space for masks and faces, relying on human breathing to drive gas through the masks to consider harmful substances to achieve the actual effect of maintenance. Following the rapid development of scientific and technological progress, the continuous improvement of people's clothing, food, housing and transportation standards and the increasingly serious air pollution, people's understanding of their own protection is also continuously improved, and the use of masks as protective equipment without cloth masks is particularly widespread.

Nose bar manufacturers share: At present, the types of masks transferred from large shopping malls are generally divided into air-purifying masks and air-path masks. Air purifying masks are more commonly used, such as dust masks, anti-haze masks, and medical protective masks. Relative regulations have been issued for various types of masks in order to regulate masks in large shopping malls. Most of the protective mask specifications implemented in China are mandatory product standards, and there are many testing items. The air permeability of the fabric is the characteristics of the fabric itself [1], which has a great connection with the fabric structure and fabric composition method.

Nose bridge manufacturers share that masks are mainly composed of textile chemical fiber materials, and breathability is a must-have feature of masks. The quality of the breathability of the mask also determines other protective characteristics such as the comfort of the mask and the filter output power at an inevitable level. At present, there is no specific inspection standard for air permeability testing of masks, and the main reference method is the air permeability inspection method of fabrics, such as GB / T 5453-1997 "Determination of Air Permeability of Textile Products", ATMD737-1996 "Textile Products Breathability Test Method "and ISO 9237-1995" Measurement of Breathability of Textile Products "

If you want to know more about it please do not hesitate to contact me. WhatsApp:+86-15966835076.


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