The polytetrafluoroethylene composite membrane has the characteristics of high peel strength, large air permeability, low resistance, concentrated and uniform pore size distribution, etc. The dust removal efficiency can reach more than 99.99%. It is the most effective and economical in industrial dust filtration and material recovery. new filter materials.
The polytetrafluoroethylene composite membrane dust bag is a new type of filter material that is compounded with a layer of polytetrafluoroethylene (ptfe) film on the surface of ordinary filter materials.
This layer of film is equivalent to a “primary dust layer”. Material exchange is carried out on the surface of the membrane, and effective filtration can be carried out at the beginning of use.
The unique three-dimensional network structure of the film prevents dust from passing through, eliminating the worry of pore clogging.
This type of filtering is called “surface filtering”.
The film-coated filter material can not only achieve near-zero emissions, but also because the film is non-sticky and has a small friction coefficient, the powder cake will automatically fall off, ensuring long-term stability of the equipment resistance, thus giving full play to the advantages of the bag dust collector.
The current composite methods of polytetrafluoroethylene composite membrane manufacturers include glue lamination and thermal lamination.
1. Glue composite is a relatively basic composite method. It has low composite strength, is easy to peel off, and has a short service life. Due to the penetration of glue, it has poor air permeability and is not suitable for dust cleaning, which weakens the superior performance of the PTFE membrane.
?2. Thermal composite advanced composite method completely maintains the superior performance of PTFE film, but has strict requirements for thermal composite technology.
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