PTFE Coating is different from PTFE impregnation. Many people make mistake and consider them is the same.
These two finishing always comes for high temperature fabrics.
PTFE impregnation is a must procedure for high temperature fabrics. However, PTFE coating is not.
Coating, mean we make PTFE as bubble, and put the small bubble on the surface of the fabric. After the bubble breaking, the PTFE will go into the high temperature material hole. So in this way, the material has good dust filtration effect while with good air permeability. Therefore, coating is a little more expensive than membrane.
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