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What are the materials of dust filter bags in the steel industry?

October 31,2023

The steel industry is a typical area of heavy industry, in which the dust and particulate matter produced in the production process have a great impact on the environment and the health of workers.

Therefore, in the steel industry, dust filter bags are essential equipment. According to different application scenarios and processing requirements, the material of dust filter bag in the steel industry is also different, and the commonly used materials mainly include the following:

Glass fiber filter bag: Glass fiber filter bag is a commonly used filter bag material, its high temperature resistance, corrosion resistance, high tensile strength characteristics make it widely used in the steel industry. The applicable temperature range of glass fiber filter bag is usually between 150℃-200℃, which can adapt to the harsh environment such as high temperature and strong corrosion in the steel industry.

Polyester fiber filter bag: Polyester fiber filter bag has good wear resistance, tensile strength and acid and alkali resistance, and is widely used in steel industry steelmaking, sintering and other links.

Polyamide filter bag: Polyamide filter bag is a new type of filter bag material, which has high thermal stability and wear resistance, and can be used in high temperature environment for a long time. In the iron and steel industry, polyamide filter bags are mainly used in cooling and smoke exhaust and hot blast stove smoke exhaust occasions.

Polypropylene fiber filter bag: polypropylene fiber filter bag has good acid and alkali resistance, high temperature resistance and tensile strength and other properties, and is widely used in the steel industry steelmaking, converter and other links.

Polytetrafluoroethylene filter bag: polytetrafluoroethylene filter bag is a special filter bag material, with very high corrosion resistance and high temperature resistance, can be used in high temperature, strong acid and alkali and other harsh environment for a long time.

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