What material is used for dust filter bags?

Polyester is a popular choice for dust filter bags due to its durability, high temperature resistance, and cost-effectiveness. It's suitable for a wide range of dust types.

Nomex is a heat-resistant synthetic fiber used in applications where high temperatures are present. It's known for its excellent resistance to thermal degradation and flame.

PTFE-coated filter bags offer exceptional chemical resistance and are often used in applications involving harsh chemicals or acids. They are also highly resistant to moisture and temperature extremes.

Fiberglass filter bags are typically used in high-temperature environments and can withstand temperatures up to 500°C. They're resistant to moisture and many chemicals but may not be suitable for all dust types due to their relatively rough surface.

Polypropylene filter bags are lightweight and have good chemical resistance. However, they have a lower temperature resistance than polyester or Nomex, limiting their use in higher-temperature applications.

The specific material used for a dust filter bag will depend on factors such as the type of dust being filtered, the operating temperature, and the presence of chemicals or acids in the dust-laden airstream. It's important to select the appropriate material to ensure optimal performance and longevity of the filter bags.