Dust filter bag can be called the heart of bag type dust remover. Dust filter bag is also called dust removal filter bag. It is made of filter material. It is a filter bag used on bag type dust remover to filter dust in the air and purify the air. The cloth bag filter is divided into round, flat and oval. According to the temperature, there are three types: normal temperature, medium temperature and high temperature.

The selection of filter material of dust filter bag is an important problem, which directly affects the dust removal effect of dust collector. The selection of dust removal cloth bag should be selected from the following aspects: gas temperature, moisture, humidity and chemistry, particle size, dust concentration, filtration wind speed, dust removal mode and other factors. Dust removal filter bags are made of polyester, polypropylene, acrylic, metas, flumes, glass fiber and other materials. According to the diversity of post-treatment of filter materials, there are different treatment methods 。

The dust filter bag selected by Vietnamese customers is composed of 100% polyester yarn, under the Working temperature 130 - 150 degrees Celsius, the Surface treatment is according to Hot-burning and smooth rolling to stabilize the surface, absorb moisture-proof/oil-proof grade 4 chemicals .As specification: Cylindrical bag, flat steel mouth, round bottom, 100mm bottom cover, 100% polyester sewing thread.