Filter Sponge

Filter Sponge non-woven fabric is a filling material of N95 respirator, which belongs to one of synthetic fiber filter cotton. 

It has the characteristics of high fluffy, good elasticity, soft handle, strong warmth retention, good air permeability and water permeability. 

Filter Sponge non-woven fabric also noted as hot air cotton includes es hot air cotton, hard cotton with light weight and bulky degree, and Zhicheng es hot air cotton with lower gram weight. Hot air cotton is also very soft.

Hot air cotton, also known as tuyere cotton, is made of ES and low melting point fiber by heating, so it also belongs to one of the synthetic fiber filter cotton. As one of the N95 folding mask materials, hot air cotton is not known by the public. As a new type of mask material, hot air cotton non-woven fabric is widely used in N95 folding mask. It is a new type of thermal insulation material, a new generation of spray cotton and silk like cotton.

It is well known that contains a lot of dust in the air, such as dust, dust, smoke, dust, sａnd dust, powder, etc.) particles, because of the dust particles is very light in weight, so when the air flow ACTS on the dust particles, will offset the weight of the dust particles itself, make the dust in a floating state, only in a relatively closed space, under the condition of air relative static, dust will fall to the ground in the earth's gravity, that is why the doors and Windows closed room without people to live, after a period of time furniture and will see a thick layer of dust on the ground. The amount of dust in the air is related to many objective factors, such as weather conditions, seasonal changes, industrial production, mineral mining, lａnd desertification, soil erosion and environmental pollution. Dust has an impact on human body, production, product quality, environment, beauty of natural scenery and ecological balance.

An adult needs about 19m3 of air per day to get the oxygen they need from it. If workers work place air contains a lot of dust, people working in this environment the amount of dust sucked into the lungs is much, a lot of harmful gases, liquids, or some can adsorption on the metal elements, with the breath of people were brought into the depths of the lung or adhesion on the bronchial wall, cause or aggravate respiratory diseases, when reach a certain amount, can cause fibrosis of lung tissue lesions, lung tissue gradually hardening, lose the normal breathing function, cause related disease, so why bad environment wear masks in the air index which can effectively prevent the happening of the disease, because the mask is a kind of filter cotton, It effectively filters out dust particles from the air, thus ensuring the cleanliness of the inhaled air.

Dust in the air falls on the rotating parts of the machine, which will accelerate the wear of the rotating parts and reduce the working precision and life of the machine. Dust that permeates the workplace can also reduce visibility, affect visibility, hinder operations, reduce labor productivity, and even cause accidents. The discharge of dust into the atmosphere will cause air pollution, in addition, the dust in the air will reduce the visibility of the atmosphere, promote the formation of smoke, so that the transfer of solar radiation energy is affected.

To sum up, filter cotton had its indispensable position, because a lot of industrial production must be in a relatively clean space, such as surface treatment, paint coating, spraying, precision electronics, optical electronics, bio-pharmaceutical, food production, air cooling, etc., need the air to the flow of the environment, but can not have dust, so I will need to use filter cotton dust filter, only to clean air circulation in relatively closed space, so as to achieve the needs of the running of production.

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