Polytetrafluoroethylene, also known as waterproof and breathable membrane, is generally called “non-stick coating” or “easy-to-clean material”; it is a synthetic polymer material that uses fluorine to replace all hydrogen atoms in polyethylene.
This material is acid-resistant, alkali-resistant, resistant to various organic solvents, and is almost insoluble in all solvents.
At the same time, PTFE waterproof and breathable membrane has the characteristics of high temperature resistance. Its friction coefficient is extremely low, so it can not only be used for lubrication, but also become an ideal coating for the inner layer of easy-to-clean woks and water pipes.
The lamination methods of ptfe waterproof and breathable membrane include glue lamination and thermal lamination.
1. Glue composite is a relatively basic composite method, which 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 film, but has strict requirements for thermal composite technology.
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