PTFE composite filter paper is a new type of filter material that is compounded with a layer of polytetrafluoroethylene film on the surface of ordinary filter material.
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 molding process of composite materials is the foundation and condition for the development of the composite materials industry.
PTFE composite filter paper material can be used for a long time in the range of -200℃-250℃.
In its molecular structure, the carbon atom is surrounded by four fluorine atoms. Since the covalent radius of the fluorine atom (0.064nm) is larger than the radius of the hydrogen atom (0.028nm), the fluorine atoms can be arranged Surrounding the carbon chain, and because the fluorine atoms repel each other, the entire macromolecular chain does not have a zigzag shape like the hydrocarbon molecular chain.
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