Why Filter Cotton Is Very Similar To Cotton?

July 07, 2022

The range of filter cotton is very wide, and the so - called filter cotton generally refers to air filter cotton. Air filter cotton is mainly used for air filtration, which can effectively filter dust particles in the air. Air filter cotton can be divided into four types according to different filter materials: synthetic fiber filter cotton, nonwoven fabric filter cotton, glass fiber filter cotton, activated carbon filter cotton.
In fact, many people think that the filter cotton is made of cotton. This is wrong. The filter cotton is not made of cotton, but made of filter fiber. It just looks and feels like cotton, so it is called filter cotton.

Nonwoven filter cotton scientific name polyester fiber filter cotton, commonly known as filter fabric non woven. Nonwoven filter cotton has the characteristics of wide use, mature technology and good stability. It is a typical filter material for primary filter, medium effect plate filter and bag filter in China. The manufacturing process is made by multiple processes such as meltblowing, needle punching, hydroentanglement and spunbonding. Compared with other filter materials of the same grade, it has stable quality, large dust holding capacity, strong moisture resistance, long service life and economy, durable and other advantages. In recent years, due to the continuous development of technology, nonwoven filter cotton has been able to achieve sub - efficiency in efficiency.

Synthetic fiber filter cotton can replace the non woven fabric roll and glass fiber covered coarse, medium and high - efficiency full range of filtration products under the general filtration environment. It is an emerging filter material and the main development direction of future filter materials. Compared with other filter materials of the same level, it has the advantages of low resistance, light weight, large dust holding capacity, economical and environmental protection. Synthetic fiber filter cotton ( polyester fibre ) is the main raw material, abbreviated as: PET, polyester fiber is made of polyethylene terephthalate, and the Chinese name is polyester. It is the first large variety of synthetic fibers.
The activated carbon filter cotton is made of high - quality powdered activated carbon as the adsorbent material and is supported by the polymer binder on the fiber matrix. It has good adsorption performance, good formability, high strength and small airflow resistance. It is mainly used in various household, automotive air conditioning, air purifiers, water purification, gas phase adsorption and other fields.
Glass fiber filter cotton is mainly made of various thickness and length of glass fiber through special processing technology. Glass fiber is characterized by its stable performance, high temperature resistance, high efficiency, large capacity and long service life. And in some special circumstances, only glass fiber can be competent.

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Mr. Hua Mao

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