What is the composite method of PTFE coated filter material?

In order to extend the service life and increase the strength of the membrane, it is necessary to compound the PTFE membrane to various filter materials.

PTFE coated filter materials such as various needle felts, woven fabrics, glass fiber, etc.

Due to the non-sticky characteristics of PTFE itself, it has high requirements for membrane compounding technology. Currently, there are two methods of compounding PTFE membrane filter materials: glue compounding and thermal compounding.

① Glue lamination is a relatively basic lamination 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 cleaning, which weakens the superior performance of PTFE.

② Thermal composite advanced composite method completely maintains the superior performance of PTFE membrane, but has strict requirements for thermal composite technology.

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